No discriminatory denial of covered housing
Mass. Gen. Laws ch. 151B, § 4(6)(a)State law
Covered housing providers may not refuse to rent, lease, sell, negotiate for sale, or otherwise deny or withhold covered accommodations on the listed protected grounds.
Answers the question “What can they check about me?”
The source
… or contiguously located housing accommodations or other person having the right of ownership or possession or right to rent or lease, or sell or negotiate for the sale of such accommodations, or any agent or employee of such a person, or any organization of unit owners in a condominium or housing cooperative: (a) to refuse to rent or lease or sell or negotiate for sale or otherwise to deny to or withhold from any person or group of persons such accommodations because of the race, religious creed, color, national origin, sex, gender identity, sexual orientation, which shall not include persons whose sexual orientation involves minor children as the sex object, age, genetic information, ancestry, or marital status of such person or persons or because such person is a veteran or member of the armed forces, or because such person is blind, or hearing impaired or has any other handicap; (b) to discriminate against any person because of his race, religious creed, color, national origin, sex, gender identity, sexual orientation, which shall not include persons whose sexual orientation involves minor children as the sex object, age, ancestry, or marital status or because such person is a veteran or…
- Official law
- Open the official source
- Document
- D049, retrieved Oct 1, 2026
- Dates
- In force
- Status on Oct 1, 2026
- In force
What it depends on
- Covers
- Housing described in subsection 6 as publicly assisted, multiple dwelling, or contiguously located.
- What you can do next
- Read the law at its official source
Audit trail
The model reads the law; code decides who it covers. The line between them stays visible.
Extracted by the model
What the model read from the source text, checked by code (the quote must appear word for word).
- Category
- Screening
- Requirement
- Covered housing providers may not refuse to rent, lease, sell, negotiate for sale, or otherwise deny or withhold covered accommodations on the listed protected grounds.
- Key value
- none
- Effect
- protection_or_duty
- Quote found in source
- yes
- Confidence
- 50%
reasoning boundary
Decided by code
Deterministic: same rules, facts and date give the same answer.
- Jurisdiction: listed only for addresses whose state or legal city is MA.
- Dates: no effective date in the text; treated as in force.
- Coverage: tested against whether the building is subsidised, the number of units; a missing fact gives "unknown", never a guess.
As of Oct 1, 2026Engine run
Sources retrieved Oct 1, 2026.
Which buildings it reaches
All 110 sample addresses in Massachusetts on Oct 1, 2026.
- 110 applies
Every dot is the rule engine’s result for that address. The larger dots are the example addresses listed below. 6 addresses have no coordinates and are counted but not drawn.
Decided by code for the example addresses
On Oct 1, 2026. Rules that don’t apply are left out.
- 471 Columbia Rd, Dorchester: Applies. Mass. Gen. Laws ch. 151B, § 4(6)(a) covers this address: 7 or more units (Boston land use A/125 'SUBSD HOUSING S- 8' (land use A = 7+ units, assumed)) and subsidised (use code A/125 'SUBSD HOUSING S- 8').
- 134 Oxford St, Cambridge: Applies. Mass. Gen. Laws ch. 151B, § 4(6)(a) covers this address: 6 units (CSV units, Cambridge Property Database FY2026 (waa7-ibdu)).