- Official section
- National X.A: Fair Housing
- Broker weight
- Part of 12% of the national portion
- Expected scored items
- The current PSI broker outline assigns about 12 of 100 scored national items to Practice of Real Estate
Disability access comparison
Accommodation vs. modification
Listen for the thing that must change. A reserved parking rule, no-pets policy, deadline, communication method, or service procedure points to accommodation. A ramp, grab bar, widened door, lowered control, or altered walkway points to modification. Then check who pays, what information may be requested, and whether another federal program changes the default rule.
Last updated: August 1, 2026
What is the difference at a glance?
Short answer: A reasonable accommodation changes a rule, policy, practice, or service when the change may be necessary to give a person with a disability equal opportunity to use and enjoy housing. A reasonable modification physically changes existing premises when the alteration may be necessary for full enjoyment. Under the Fair Housing Act, the provider generally pays accommodation costs, while the person with a disability generally pays modification costs. Section 504 can require a federally assisted provider to make and pay for structural changes. No special form or legal wording is required. Verification depends on what is apparent or already known, and a prompt, individualized response matters.
Coverage, disability, necessity, reasonableness, direct threat, verification, construction, restoration, assistance animals, federal assistance, ADA overlap, local code, and cost allocation depend on exact facts. This guide uses Fair Housing Act terms for exam classification and flags Section 504 and ADA differences. It is not legal, medical, architectural, accessibility, or property-management advice. Sources were checked through August 1, 2026.
What changes from one term to the next?
- Terms
- Accommodation vs. modification
- Difference
- Accommodation changes a rule, policy, practice, or service. Modification physically changes existing premises.
- Question cue
- How housing operates versus what the property is.
- Terms
- Equal opportunity vs. full enjoyment
- Difference
- The accommodation provision focuses on equal opportunity to use and enjoy a dwelling. The modification provision describes full enjoyment through a needed physical change.
- Question cue
- Policy barrier versus physical barrier.
- Terms
- Apparent disability vs. nonapparent disability
- Difference
- When disability and need are apparent or known, extra proof is generally unnecessary. When either is not apparent, limited reliable verification may be requested.
- Question cue
- Verify only the missing link.
- Terms
- FHA accommodation cost vs. FHA modification cost
- Difference
- The housing provider generally bears reasonable accommodation costs. The person with a disability generally bears reasonable modification costs.
- Question cue
- Provider pays policy change; requester pays physical change.
- Terms
- Fair Housing Act vs. Section 504 cost
- Difference
- The FHA generally places modification cost on the requester. Section 504 can require a federally assisted provider to make and pay for a structural change unless an undue burden applies.
- Question cue
- Private FHA default versus federal-funding duty.
- Terms
- Modification vs. accessible design
- Difference
- Modification responds to an individual's disability-related need in existing premises. Accessible design is an affirmative construction duty for covered multifamily housing.
- Question cue
- Requested alteration versus built-in compliance.
- Terms
- Assistance animal vs. pet
- Difference
- A qualifying assistance animal performs disability-related work, tasks, assistance, or support and is not treated as a pet. An ordinary pet is subject to the lawful pet policy.
- Question cue
- Accommodation analysis versus pet rules.
- Terms
- Pet deposit vs. damage charge
- Difference
- A provider generally may not impose a pet fee or pet deposit for an assistance animal. The provider may charge for actual damage on the same basis used for other resident-caused damage.
- Question cue
- Up-front animal charge versus actual repair cost.
- Terms
- Reasonable condition vs. obstructive condition
- Difference
- A reasonable condition protects code, safety, workmanship, and legitimate restoration interests. An obstructive condition is excessive, unrelated, or designed to make permission impossible.
- Question cue
- Property protection versus disguised refusal.
- Terms
- Fair housing dwelling access vs. ADA office access
- Difference
- Fair housing law governs use and enjoyment of dwellings. ADA Title III can govern a public-facing brokerage or leasing office and its services.
- Question cue
- Home access versus business access.
How does the distinction change the answer?
The no-pets rule
Scenario: A tenant with a nonapparent disability asks to keep an assistance animal that provides disability-related support. The building prohibits pets and charges a $500 pet deposit.
- The request seeks an exception to a policy rather than a construction change.
- The provider may seek permitted reliable information about nonapparent disability and need.
- A qualifying assistance animal is not a pet, so the pet deposit is not the correct charge.
Answer: Treat this as a reasonable-accommodation request, evaluate it promptly, and do not impose a pet fee or pet deposit for a qualifying assistance animal.
The bathroom grab bars
Scenario: A resident with a mobility disability asks to install grab bars inside the rental unit's bathroom and offers plans showing code-compliant work by a qualified contractor.
- The grab bars physically alter existing premises.
- The alteration connects directly to safe use of the bathroom.
- Under the FHA default, the resident pays, while the provider may impose reasonable workmanship and restoration conditions.
Answer: This is a reasonable modification and should not be denied merely because the standard unit lacks grab bars.
One request needs two classifications
Scenario: A resident who uses a wheelchair asks management to reserve the closest space and construct a curb ramp connecting that space to the accessible route.
- Reserving or reassigning the space changes a parking policy.
- Constructing the curb ramp changes the physical site.
- Cost and implementation must be analyzed separately under each applicable law.
Answer: The space assignment is an accommodation, while the curb-ramp work is a modification or another applicable accessibility duty.
The provider insists on its form
Scenario: A resident emails that a disability prevents stair use and asks to transfer to an available ground-floor unit. Management ignores the email because the resident did not use the property's request form.
- The email communicates a disability-related request for a policy or assignment change.
- Fair housing law does not require special words or a provider's preferred form.
- Ignoring the request can create an undue delay or constructive denial.
Answer: Recognize and process the email as an accommodation request, while documenting any clarification reasonably needed.
The federally assisted property
Scenario: A federally assisted housing provider tells a resident that every structural access change must be resident-funded because modifications are always paid by the tenant.
- Requester-pays is the general FHA modification rule, not a universal rule under every statute.
- Section 504 can require the recipient to make and pay for structural changes needed for disability access.
- The provider must analyze the federal-assistance duty and undue-burden standard rather than stop at the FHA label.
Answer: The statement is overbroad. Apply Section 504 and other program duties before assigning the structural cost.
The builder shifts retrofit cost
Scenario: A covered multifamily building lacks required accessible routes because of original design and construction. The owner calls each correction a tenant modification and demands payment from residents with disabilities.
- Covered design features are affirmative statutory requirements.
- Correcting noncompliant original construction is not automatically a resident-funded modification.
- The responsible parties and remedy require accessibility and legal review.
Answer: Do not shift an apparent design-and-construction compliance duty to residents by relabeling it a modification request.
How do you solve an accommodation-or-modification question?
- Identify the person, disability-related limitation, housing barrier, property, program, and requested outcome.
- Ask whether the requested change affects a rule, policy, practice, service, or the physical premises.
- Confirm the disability-related connection and determine what facts are apparent, known, or reasonably verifiable.
- Apply the Fair Housing Act default, then check Section 504, ADA, Illinois, local, program, and design-and-construction duties.
- Assign cost only after identifying the governing law and whether the request is accommodation, modification, or correction of an existing violation.
- Evaluate reasonableness, actual burden, fundamental alteration, direct threat, property damage, and effective alternatives individually.
- For modifications, review plans, permits, workmanship, restoration, escrow, common-area treatment, and completion without excessive conditions.
- Choose the answer that recognizes the request, responds promptly, protects confidentiality, avoids retaliation, and documents implementation.
- Issue
- What changes?
- Accommodation
- Rule, policy, practice, or service
- Modification
- Existing physical premises
- Issue
- Purpose
- Accommodation
- Equal opportunity to use and enjoy
- Modification
- Full enjoyment of premises
- Issue
- Common example
- Accommodation
- No-pets exception
- Modification
- Ramp or grab bars
- Issue
- FHA default payer
- Accommodation
- Housing provider
- Modification
- Person with disability
- Issue
- Request form required?
- Accommodation
- No
- Modification
- No special legal form
- Issue
- Verification
- Accommodation
- Limited to nonapparent disability or need
- Modification
- Same basic disability and need principle
- Issue
- Property conditions
- Accommodation
- Effective implementation
- Modification
- Reasonable plans, permits, and workmanship
- Issue
- Restoration
- Accommodation
- Usually not applicable
- Modification
- Sometimes for rental interior
- Issue
- Section 504 effect
- Accommodation
- Provider duty may be broader
- Modification
- Provider may have to pay structural cost
- Issue
- Automatic design duty?
- Accommodation
- No request can still mean another access duty
- Modification
- Do not confuse with covered design compliance
Where do similar terms create traps?
- Trap
- Anything involving an assistance animal is a physical modification.
- Correction
- The usual request changes a no-pets or animal policy, so it is a reasonable accommodation.
- Trap
- A person must submit a doctor's diagnosis on the landlord's form.
- Correction
- No special form is required, and verification should be limited to reliable information needed for nonapparent disability or need.
- Trap
- The provider can delay indefinitely while researching the request.
- Correction
- A prompt response is required, and undue delay can amount to denial.
- Trap
- The resident always pays for every disability-related change.
- Correction
- The provider generally pays accommodation costs, and Section 504 can shift structural costs to a federally assisted provider.
- Trap
- The provider always pays for every ramp under the Fair Housing Act.
- Correction
- The requester generally pays FHA modification costs, subject to Section 504, design duties, and other governing laws.
- Trap
- A modification can be denied because the provider dislikes its appearance.
- Correction
- The provider may impose reasonable safety, permit, design, and workmanship conditions but cannot rely on preference alone.
- Trap
- Restoration is required for every modification everywhere.
- Correction
- Restoration depends on reasonable future-use needs for a rental interior and generally cannot be required for public or common-use areas.
- Trap
- A pet fee is permitted if every tenant pays the same fee.
- Correction
- A qualifying assistance animal is not a pet, though actual animal-caused damage may be charged consistently.
- Trap
- A provider may demand medical records whenever disability is mentioned.
- Correction
- Information requests depend on what is apparent or known and must stay limited to disability and disability-related need.
- Trap
- A general fear of danger proves direct threat.
- Correction
- Direct-threat analysis requires an individualized assessment based on reliable objective evidence and possible risk reduction.
- Trap
- Fair Housing Act accessibility and ADA Title III are identical.
- Correction
- They cover different facilities and duties, though a leasing office or other site can involve overlapping laws.
- Trap
- A broker should decide whether the person is medically disabled.
- Correction
- The broker should recognize and route the request, protect privacy, follow procedure, and avoid medical or legal conclusions outside the role.
Can you separate the terms in a new fact pattern?
These questions are original study items aligned to the published outline. They are not copied, recalled, or predicted PSI questions.
1. A tenant asks for an exception to a no-pets rule for a disability-related assistance animal. What is the request?
- Reasonable accommodation
- Reasonable modification
- Accessible design
- Blockbusting
Show answer and explanation
Answer: Reasonable accommodation
The requested change affects a policy, not the physical premises.
2. A resident asks to install grab bars in an existing bathroom because of a mobility disability. What is the request?
- Reasonable modification
- Reasonable accommodation
- Redlining
- False availability
Show answer and explanation
Answer: Reasonable modification
Installing grab bars physically alters existing premises.
3. Under the Fair Housing Act's general rule, who pays for a reasonable modification?
- The person with a disability
- The listing broker
- The local assessor
- The buyer's lender
Show answer and explanation
Answer: The person with a disability
The FHA generally places modification cost on the requester, though Section 504 and other duties can change the result.
4. A resident makes a clear oral request for a disability-related parking exception. Which response is most accurate?
- Process the request without requiring special words
- Ignore it until a lawsuit is filed
- Demand all medical records
- Treat it as a lease amendment only
Show answer and explanation
Answer: Process the request without requiring special words
A request may be oral and need not use a preferred form or legal phrase.
5. Which duty does not depend on a resident first requesting an individual modification?
- Covered multifamily design and construction
- A no-pets policy exception
- A reserved parking assignment
- A change in rent-delivery method
Show answer and explanation
Answer: Covered multifamily design and construction
The Act's covered design features are affirmative construction requirements.
Where do these ideas appear on the outline?
- Topic
- Fair Housing Act disability protection
- What to know
- Actual disability, record of disability, regarded as disabled, physical impairment, mental impairment, substantially limiting major life activity, association, inquiry limits, current illegal drug use, direct threat, sale, rental, occupancy, services, and retaliation
- Best exam move
- Confirm that the fact pattern concerns disability-related housing access rather than ordinary preference or convenience.
- Topic
- Reasonable accommodation
- What to know
- Rule, policy, practice, service, change, exception, adjustment, no-pets rule, parking assignment, rent-delivery method, communication, transfer, live-in aide, deadline, visitor rule, qualification process, grievance route, and equal opportunity
- Best exam move
- Choose accommodation when the premises stay physically the same but the way housing operates must change.
- Topic
- Reasonable modification
- What to know
- Physical alteration, existing premises, dwelling unit, public area, common-use area, ramp, grab bar, widened doorway, lowered control, flashing doorbell, accessible route, shower, cabinet, threshold, and full enjoyment
- Best exam move
- Choose modification when walls, doors, fixtures, surfaces, routes, controls, or other physical features change.
- Topic
- Disability-related necessity
- What to know
- Nexus, connection, barrier, requested change, equal opportunity, use, enjoyment, full enjoyment, individual facts, effective result, convenience, preference, disability limitation, household member, proposed occupant, and supporting information
- Best exam move
- The request must connect the person's disability-related limitation to the housing barrier the change would address.
- Topic
- Making a request
- What to know
- Oral, written, email, text, conversation, applicant, resident, family member, advocate, authorized person, no special phrase, no required form, timing, before tenancy, during tenancy, after notice, recognizable request, and documentation
- Best exam move
- Do not reject a request merely because the person skipped a preferred form or legal vocabulary.
- Topic
- Provider response
- What to know
- Prompt review, acknowledgment, trained contact, individualized assessment, clarification, dialogue, effective alternative, written decision, reason, implementation, confidentiality, record, delay, constructive denial, retaliation, and escalation
- Best exam move
- An unexplained delay can function as a denial, especially when the person needs the change to access housing now.
- Topic
- Verification
- What to know
- Readily apparent disability, known disability, apparent need, nonapparent disability, nonapparent need, reliable information, health-care professional, third party, disability confirmation, nexus confirmation, no diagnosis demand, no full medical file, privacy, and scope
- Best exam move
- Ask only for information needed to verify what is not already apparent or known.
- Topic
- Reasonableness limits
- What to know
- Case-by-case analysis, undue financial and administrative burden, fundamental alteration, actual cost, provider resources, program structure, benefit, effective alternative, no blanket denial, no speculation, no neighbor prejudice, and written support
- Best exam move
- If the exact request is unreasonable, consider an effective alternative rather than ending the analysis automatically.
- Topic
- Direct threat and property damage
- What to know
- Individualized assessment, reliable objective evidence, recent conduct, nature, duration, severity, probability, injury, damage, risk reduction, accommodation, stereotype, fear, breed, diagnosis, past incident, and current facts
- Best exam move
- Do not replace current individual evidence with a generalization about disability, animal type, or group identity.
- Topic
- Accommodation costs
- What to know
- Provider expense, parking sign, administrative process, policy change, auxiliary step, no surcharge, no special deposit, no pet fee for assistance animal, actual damage charge, ordinary security deposit, undue burden, alternative, and Section 504
- Best exam move
- Under the Fair Housing Act, a provider generally cannot charge the resident for granting a reasonable policy or service accommodation.
- Topic
- Modification costs
- What to know
- Requester expense, design, labor, materials, permit, contractor, code compliance, plans, assurance, workmanship, maintenance, damage, restoration, escrow, common area, federal assistance, and written approval
- Best exam move
- Use requester-pays as the FHA default, then ask whether Section 504, another program, or a design violation changes it.
- Topic
- Modification review conditions
- What to know
- Reasonable description, plans, building permit, licensed contractor where lawful, workmanlike manner, code, structural safety, insurance, entry scheduling, damage prevention, prompt decision, no excessive demand, and no unrelated upgrade
- Best exam move
- A provider may protect legitimate property interests but cannot use excessive conditions to defeat a necessary modification.
- Topic
- Restoration and escrow
- What to know
- Rental interior, end of tenancy, future resident, reasonable restoration, wear, useful feature, common area, no common-area restoration, estimate, interest-bearing escrow, payments over time, actual restoration cost, interest, accounting, and return
- Best exam move
- Restoration is not automatic for every alteration, and common-use modifications follow a different rule from a unit interior.
- Topic
- Assistance animals
- What to know
- Service animal, support animal, work, task, assistance, therapeutic emotional support, no-pets exception, not a pet, pet fee, pet deposit, actual damage, verification, internet document, usual household animal, unique animal, direct threat, and individualized review
- Best exam move
- An assistance-animal request changes a policy, so classify it as accommodation even though an animal will be physically present.
- Topic
- Accessible parking
- What to know
- Reserved space, closest space, policy, parking rule, assignment, signage, striping, curb cut, route, enforcement, cost, accommodation component, modification component, and shared lot
- Best exam move
- Assigning a space is accommodation; constructing a curb ramp or changing pavement is modification.
- Topic
- Design and construction
- What to know
- Covered multifamily dwelling, first occupancy after March 13 1991, accessible entrance, route, public and common-use areas, usable doors, controls, reinforced bathroom walls, usable kitchens and bathrooms, affirmative duty, retrofit, and no request requirement
- Best exam move
- A builder cannot label correction of an original covered-design failure as a resident-funded modification.
- Topic
- Section 504 and ADA overlap
- What to know
- Federal financial assistance, HUD recipient, structural change, provider payment, undue financial and administrative burden, accessible program, effective communication, public accommodation, leasing office, brokerage office, ADA policy modification, ordinary dwelling, and multiple laws
- Best exam move
- Identify the property, program, and public-facing facility before assigning cost or choosing a statute.
- Topic
- Illinois practice and broker role
- What to know
- Illinois Human Rights Act, disability, real estate transaction, owner, agent, property manager, sponsoring broker, request intake, prompt forwarding, no unauthorized denial, confidentiality, vendor, records, fair housing complaint, legal referral, and local ordinance
- Best exam move
- A broker should recognize, transmit, document, and escalate a request, not diagnose the person or make unsupported legal promises.
How do you make the distinction stick?
- Session
- Session 1
- Focus
- Classify the requested change
- Proof you are ready
- Sort 30 examples into accommodation, modification, both, accessible design, ADA office access, or ordinary preference.
- Session
- Session 2
- Focus
- Practice request and verification rules
- Proof you are ready
- Decide what may be requested in 15 apparent-disability, nonapparent-disability, apparent-need, and nonapparent-need facts.
- Session
- Session 3
- Focus
- Master payment rules
- Proof you are ready
- Assign costs in 20 FHA, Section 504, ADA, design-defect, assistance-animal, damage, restoration, and escrow scenarios.
- Session
- Session 4
- Focus
- Review physical changes
- Proof you are ready
- Analyze plans, permits, workmanship, interior restoration, common-area work, safety, and effective alternatives in ten requests.
- Session
- Session 5
- Focus
- Handle animals and parking
- Proof you are ready
- Explain policy and physical components, fee limits, damage rules, verification, direct threat, and prompt response in 15 scenarios.
- Session
- Session 6
- Focus
- Complete a mixed disability-access set
- Proof you are ready
- Score at least 90% and justify each answer by barrier, requested change, disability connection, governing law, cost, verification, and response.
Do not count recognition as mastery. Close the notes and explain the rule, apply it to a new fact pattern, and identify why each distractor fails.
Turn the comparison into a test-day decision
From concept to decision
Drill this topic, then review the explanation
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Questions students ask about Accommodation vs. Modification
What is a reasonable accommodation in housing?
A reasonable accommodation is a change, exception, or adjustment to a rule, policy, practice, or service that may be necessary for a person with a disability to have an equal opportunity to use and enjoy a dwelling. Examples include an assistance-animal exception, a reserved accessible parking space, or a different communication process.
What is a reasonable modification in housing?
A reasonable modification is a physical change to existing premises, including a dwelling unit or a public or common-use area, that may be necessary for a person with a disability to have full enjoyment of the premises. Examples include a ramp, grab bars, lowered controls, or a widened doorway.
What is the fastest way to distinguish accommodation from modification?
Ask what changes. If a rule, policy, practice, or service changes, think accommodation. If the physical premises change, think modification. A single disability need can require both, such as a parking-policy exception plus a curb-ramp installation.
Who pays for a reasonable accommodation under the Fair Housing Act?
The housing provider generally bears costs associated with a reasonable accommodation unless the request would impose an undue financial and administrative burden. Reasonableness, necessity, effective alternatives, and fundamental alteration remain fact-specific.
Who pays for a reasonable modification under the Fair Housing Act?
Under the Fair Housing Act's general rule, the person with a disability pays for a reasonable modification to existing premises. Different rules can apply to federally assisted housing under Section 504, where the provider may have to make and pay for needed structural changes unless an undue financial and administrative burden applies.
Must a disability request use a special form or legal words?
No. A request can be oral or written and can come from the person, a family member, or someone acting on the person's behalf. It need not say Fair Housing Act or reasonable accommodation. It must communicate a disability-related request for a change, exception, adjustment, or physical alteration clearly enough for the provider to understand it.
May a provider ask for disability verification?
Sometimes. If the disability and disability-related need are readily apparent or already known, additional information is generally unnecessary. When either is not apparent, the provider may seek reliable information needed to verify disability and the connection between the requested change and disability, but should not demand unrelated medical records or a detailed diagnosis.
Can a landlord require restoration after a modification?
For a rental unit's interior, the provider may, when reasonable, condition permission on restoration at the end of tenancy if restoration is needed so the premises can be used by the next resident. Restoration generally cannot be required for public and common-use areas. A reasonable interest-bearing escrow can sometimes be required for restoration, based on a reasonable cost estimate and statutory safeguards.
Is accessible design the same as a reasonable modification?
No. The Fair Housing Act imposes design-and-construction requirements on covered multifamily dwellings first occupied after the statutory threshold. Those features are affirmative duties and do not depend on a resident request. A modification addresses a disability-related physical change to existing premises.
Are these official PSI Illinois real estate exam questions?
No. They are original questions aligned to the national fair housing outline effective June 24, 2026. Federal and Illinois primary sources were reviewed through August 1, 2026.
Primary sources
- PSI Illinois Candidate Information Booklet dated June 24, 2026
- HUD, Fair Housing Act statutory text
- 24 CFR Part 100 Subpart D, current disability discrimination regulations
- HUD and DOJ, joint statement on reasonable accommodations
- HUD and DOJ, joint statement on reasonable modifications
- HUD FHEO-2020-01, assistance-animal accommodation guidance effective until changed
- U.S. Department of Justice, current Fair Housing Act disability and accessibility guidance
- HUD, current Section 504 housing requirements
- U.S. Department of Justice, current ADA Title III requirements
- Illinois Human Rights Act, current through August 1, 2026
The current official outline controls the tested scope. Statutes, regulations, and official agency materials control when a general study rule and a jurisdiction-specific rule differ.
Editorial status
Checked against primary sources
The Pass Illinois editorial team last checked this guide on August 1, 2026. Every practice question is an original study item, and the source links above let you verify the rules that support the lesson.