81 Prospect Street
Brooklyn, NY 11201BBL 3-00064-0025Map
Owner of record: 81 Prospect LLC
81 Prospect Street is an office building built in 1909 in Brooklyn, 11201. The owner of record is 81 Prospect LLC. HPD has recorded 8 housing violations here, most recently on December 30, 2025. 8 of the 8 most recent violations are still open.
- HPD violations
- 8
- DOB violations
- 34
- ECB violations
- 4
- HPD complaints
- 6
What to know
Immediately hazardous issues among recent violations are still open.
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. Showing up to 50 per agency.
HPD housing violations · 8
- ANon-hazardous
Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected at public hall
Dec 30, 2025
Open — Nov sent out - ANon-hazardous
Post a proper notice of carbon monoxide detecting device requirements, in a form approved by commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in private dwellings missing
Dec 30, 2025
Open — Nov sent out - ANon-hazardous
§ 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor missing at public hall
Dec 30, 2025
Open — Nov sent out - CImmediately hazardous
Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system missing at public hall
Dec 30, 2025
Open — Nov sent out - ANon-hazardous
Post sign on wall of entrance story bearing name, address including apartment number if any, and telephone number of superintendent, janitor or housekeeper. at public hall
Dec 30, 2025
Open — Nov sent out - ANon-hazardous
Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mailbox missing at public hall
Dec 30, 2025
Open — Nov sent out - ANon-hazardous
Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall
Dec 30, 2025
Open — Nov sent out - ANon-hazardous
Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall
Dec 30, 2025
Open — Nov sent out
DOB building violations · 34
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - Failure to post energy grade/score none
Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3
Apr 29, 2021
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 16, 2020
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 16, 2020
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 16, 2020
Dob violation - resolved - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Jan 17, 2020
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Jan 17, 2020
Dob violation - dismissed - Sprinkler none
Failed to file final sprinkler report by july 1, 2019
Sep 3, 2019
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 23, 2019
Dob violation - resolved
Show 24 more ↓
- Elevator elevatorrequired
E-elevator elevatorrequired
Apr 23, 2019
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 23, 2019
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 22, 2019
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 26, 2018
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Apr 26, 2018
Dob violation - resolved - Failure to submit eer none
Failure to submit an eer per ad. code sec. 28-308.4 - multiple years (2016)
Apr 6, 2018
Dob violation - dismissed - Failure to submit eer none
Failure to submit an eer per ad. code sec. 28-308.4 - multiple years (2015)
Apr 5, 2018
Dob violation - dismissed - Failure to submit eer none
Failure to submit an eer per ad. code sec. 28-308.4 in 2014
Apr 4, 2018
Dob violation - dismissed - Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed - Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2016 cat 1 insp/tst
Jan 26, 2018
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Mar 13, 2017
Dob violation - resolved - Elevator elevatorrequired
E-elevator elevatorrequired
Mar 13, 2017
Dob violation - resolved - Failure to submit eer none
Failure to submit an eer per ad. code sec. 28-308.4 - multiple years (2016)
Feb 16, 2017
Dob violation - dismissed - Failure to submit eer none
Failure to submit an eer per ad. code sec. 28-308.4 - multiple years (2016)
Feb 16, 2017
Dob violation - dismissed - Elevator affirmation of correction elevatorrequired
Vio issued to elevator - fail to correct defects on 2015 cat 1 insp/tst
Jan 3, 2017
Dob violation - dismissed - Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2015 inspection/test
Dec 1, 2016
Dob violation - dismissed - Failure to submit eer none
Failure to submit an eer per ad. code sec. 28-308.4 - multiple years(2015)
Jun 1, 2016
Dob violation - dismissed - Failure to submit eer none
Failure to submit an energy efficiency report in 2014 per ad. code sec. 28-308.4
Dec 31, 2014
Dob violation - dismissed - Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2012 inspection/test
Mar 31, 2014
Dob violation - dismissed - Elevator annual inspection / test elevatorrequired
Violation issued to elevator-failure to file category 1 2012 inspection/test
Mar 31, 2014
Dob violation - dismissed - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
May 3, 2012
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Feb 9, 2009
Dob violation - resolved - Elevator elevatoroptional
Ll1081-local law 10/81 - elevator elevatoroptional
Apr 21, 2004
Dob violation - dismissed - Elevator elevatorrequired
E-elevator elevatorrequired
Mar 4, 2004
Vw*-violation - work w/o permit dismissed
ECB violations · 4
- Class - 2
Found heating unit inoperable not providing heat to 1st fl space. must make all necessary repairs to restore and provide sufficient heat. provide documentation that unit is operational and providing heat, maint
Jan 27, 2026 · Penalty $1,250
Active - Class - 2
Active site observed worker doing demo work at exp# 2 no documents on site to verified sequence of work stop all demo work and construction operation at exp# 2 maintained required documents on site.
Mar 12, 2025 · Penalty $1,250
Resolve - Class - 2
Bc 3301.2 active site observed worker doing demo work standing at leading edge approx. 84 inches without proper protection in place to prevent him from fall. stop all demo and construction operation 10 ft b
Mar 12, 2025
Resolve - Class - 2
Failure to file annual certification that cooling tower 1000001693 has been inspected,tested,and disinfected,and that a maintenance plan has been developed and implemented by november 1,2016.rem:file annual cer
Jun 20, 2017 · Penalty $1,000
Resolve
Complaints
- Heat/hot water
Entire building
Jan 21, 2026 · Apt 314
Close - Heat/hot water
Entire building
Dec 29, 2025 · Apt 215
Close - Unsanitary condition
Garbage/recycling storage
Sep 10, 2025 · Apt BLDG
Close - Unsanitary condition
Mold
Mar 4, 2025 · Apt UNIT70
Close - Electric
Wiring
Mar 4, 2025 · Apt UNIT70
Close - General
Ventilation system
Mar 4, 2025 · Apt UNIT70
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Office building (O6)
- Year built
- 1909
- Floors
- 9
- Residential units
- —
- Building area
- 93,107 ft²
- Lot area
- 8,253 ft²
- Zoning
- M1-6
- Community board
- 302
- Council district
- 33
- Block / lot
- 64 / 25
- Assessed value
- $9,075,150
- Landmark / historic district
- No
Questions about 81 Prospect Street
Who owns 81 Prospect Street?
The owner of record in NYC Department of City Planning PLUTO data is 81 Prospect LLC.
Does 81 Prospect Street have violations?
Yes. NYC HPD has recorded 8 housing violations at this property.
Is 81 Prospect 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 81 Prospect Street built?
City records list 1909 as the year it was built.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.