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
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
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
Sales history
No recorded sales in our data
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.