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1770 East 91 Street

Brooklyn, NY 11236BBL 3-08321-0011Map

Owner of record: Mills, Mark

1770 East 91 Street is a two-family home built in 1965 in Brooklyn, 11236. It has 2 residential units across 2 floors. The owner of record is Mills, Mark. HPD has recorded 4 housing violations here, most recently on March 23, 2026.

HPD violations
4
DOB violations
2
ECB violations
3
HPD complaints
19

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Mar 23, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. The newest 10 per agency here; the full lists are a click away.

HPD housing violations · 4

  • IInformation / order

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 23, 2026

    Closed — Violation closed
  • BHazardous

    Replace with new the missing wall cabinet doors at east wall in the kitchen located at apt 2, 2nd story, 1st apartment from west at north

    Mar 18, 2026 · Apt 2

    Closed — Violation dismissed
  • BHazardous

    Replace with new the missing base cabinet drawer at east wall in the kitchen located at apt 2, 2nd story, 1st apartment from west at north

    Mar 18, 2026 · Apt 2

    Closed — Violation dismissed
  • CImmediately hazardous

    Provide an adequate supply of gas to the fixtures at gas range in the kitchen located at apt 2, 2nd story, 1st apartment from west at north

    Mar 18, 2026 · Apt 2

    Closed — Violation dismissed

DOB building violations · 2

  • Construction other optional

    Work without a permit. work noted: at cellar level rear and garage at front. full partition walls erected creating 2 kitchens, 2 full bath- rooms and living areas remedy: obtain permit or restore premises to prior legal condition

    Oct 17, 1999

    Vw-violation work without permit - active
  • Construction other optional

    Work without a permit. work noted at cellar level rear and garage at front. full partition walls erected creating z kitchen, two full bath- room three piece and living area remedy: obtain permit or restore premises to prior legal conditions

    Oct 17, 1999

    Vw-violation work without permit - active

ECB violations · 3

  • Hazardous

    Work without a permit. work noted at cellar level rear and garage at front partition walls erected creating kitchen, two full bathroom three piece and areas. obtain permit or restore premises to prior lega

    Oct 17, 1999 · Penalty $2,500

    Resolve
  • Hazardous

    Residence altered for occupancy as a dwelling for more than the approved # of families. c of o #180957 indicates dwelling is legally approved for 2 families. bldg now altered for occupancy by 4 families

    Oct 17, 1999 · Penalty $7,000

    Active
  • Hazardous

    Occupancy contrary to that allowed by the c of o #180957. illegal occupancy noted: legal 2 family dwelling converted into an illegal 4 family dwelling. note: garage converted into a class a apt with kitch

    Oct 17, 1999 · Penalty $2,500

    Active

Complaints

  • Plumbing

    Bathtub/shower

    Jun 3, 2026 · Apt 2FL

    Close
  • Plumbing

    Basin/sink

    Jun 3, 2026 · Apt 2FL

    Close
  • Plumbing

    Basin/sink

    Jun 3, 2026 · Apt 2FL

    Close
  • Appliance

    Refrigerator

    Jun 3, 2026 · Apt 2FL

    Close
  • Appliance

    Refrigerator

    May 4, 2026 · Apt 2

    Close
  • Flooring/stairs

    Floor

    May 4, 2026 · Apt 2

    Close
  • Plumbing

    Bathtub/shower

    May 4, 2026 · Apt 2

    Close
  • Plumbing

    Basin/sink

    May 4, 2026 · Apt 2

    Close
  • Plumbing

    Basin/sink

    May 4, 2026 · Apt 2

    Close
  • Plumbing

    Basin/sink

    Apr 28, 2026 · Apt 2FL

    Close
See all 19 HPD complaints (10 shown here)

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Two-family home (B2)
Year built
1965
Floors
2
Residential units
2
Building area
2,887 ft²
Lot area
2,633 ft²
Zoning
R5
Community board
318
Council district
46
Block / lot
8321 / 11
Assessed value
$57,600
Landmark / historic district
No

Questions about 1770 East 91 Street

Who owns 1770 East 91 Street?

The owner of record in NYC Department of City Planning PLUTO data is Mills, Mark.

Does 1770 East 91 Street have violations?

Yes. NYC HPD has recorded 4 housing violations at this property.

Is 1770 East 91 Street rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 1770 East 91 Street built?

City records list 1965 as the year it was built.

How many apartments are in 1770 East 91 Street?

It has 2 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.