Higher is better. Based on 26 data sources across violations, complaints, permits, sales, and legal records.
Moderate Confidence
This building is in excellent condition — well-maintained and fully compliant
No red flags found. Standard due diligence recommended.
639 Grand Avenue is a walkup apartment building built in 1931 in Brooklyn with 8 residential units. It carries a Grade A health score — one of the cleaner records in its peer group, with no open violations or active complaints. Our analysis reviewed 66 records across 26 public data sources, benchmarked against similar mid-sized prewar residential buildings in NYC.
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vs Neighborhood (11238)
3,979 buildings in this zip code
85th
Better than 85% of buildings in 11238
Top tier
Avg score: 86
WorstBest in 11238
Clean record
No open violations, no complaints, no liens — this building is well-maintained and fully compliant.
Score Breakdown
Living ConditionsBased on housing violations — things like heat, hot water, pests, mold
No issues
Building SafetyStructural issues, fire safety, elevator problems, code violations
No issues
Complaint BurdenHow often residents call 311 or file complaints about this building
97Excellent
Management QualityHow quickly the owner fixes problems and maintains the building
No issues
Financial HealthTax liens, water debt, unpaid city charges
No issues
Legal & EnforcementCity lawsuits and legal actions against the building owner
No issues
Maintenance HistoryBoiler, facade, and routine upkeep inspection records
Ownership changes, mortgages, and financial transactions recorded for this property.
Dec 19, 2018
Mortgage — $6,194,767.23
Recorded
CRFN: 2018000418338
Sep 10, 2010
Mortgage — $5,810,728.44
Recorded
CRFN: 2010000306992
Sep 10, 2010
Agreement — $5,925,000
Recorded
CRFN: 2010000306993
Sep 10, 2010
Assignment
Recorded
CRFN: 2010000306991
Feb 17, 2000
Assignment
Recorded
Oct 25, 1999
Agreement
Recorded
Oct 25, 1999
Agreement
Recorded
Oct 25, 1999
Satisfaction of Agreement
Recorded
Aug 14, 1995
Assignment
Recorded
Aug 6, 1990
Mortgage — $2,000,000
Recorded
Jul 12, 1990
Agreement
Recorded
Jul 12, 1990
Agreement
Recorded
Dec 22, 1988
Agreement
Recorded
Dec 22, 1988
Deed Transfer
Recorded
Dec 22, 1988
Assignment
Recorded
Dec 22, 1988
Mortgage — $2,000,000
Recorded
Dec 22, 1988
Mortgage — $2,494,000
Recorded
Dec 22, 1988
Mortgage — $1,806,000
Recorded
Apr 18, 1979
Deed Transfer
Recorded
Dec 9, 1969
Deed Transfer
Recorded
Dec 9, 1969
Mortgage
Recorded
May 5, 1967
Mortgage
Recorded
Feb 14, 1967
Deed Transfer
Recorded
No tax liens found for this property.
No litigation records found for this property.
Complete record of violations, complaints, permits, and other events for this building, newest first.
High Priority (1)
Complaint
Apr 25, 2024• 1 year ago
CLOSE
PLUMBING — BASIN/SINK [EMERGENCY] (Apt 2A)
Type: EMERGENCY
Apartment: 2A
Space Type: KITCHEN
Unit Type: APARTMENT
Complaint Status: CLOSE
Problem Status: CLOSE
Received Date: Aug 29, 2023
Resolution: The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new complaint.
Informational (10)
Tax Record
Jan 1, 2027• Today
Assessed
Tax Year 2027 Market Value: $2,313,000
Owner: BK-VM LIMITED PTRSHP
Year Built: 1,931
Building Class: C1
Gross Area: 7,004 sqft
Units: 8
Stories: 4
Zoning: R6A
Assessed Value: $1,040,850
Market Value: $2,313,000
Tax Record
Jan 1, 2026• 3 months ago
Assessed
Tax Year 2026 Market Value: $1,928,000
Owner: BK-VM LIMITED PTRSHP
Year Built: 1,931
Building Class: C1
Gross Area: 7,004 sqft
Units: 8
Stories: 4
Zoning: R6A
Assessed Value: $867,600
Market Value: $1,928,000
hpd bedbug
Dec 1, 2025• 4 months ago
Filed
Annual bedbug filing — no infestations reported
Filing Period Start: Nov 1, 2024·Filing Period End: Oct 31, 2025
Rent Stabilized
Aug 8, 2025• 8 months ago
Expires 2026-09-01
Rent stabilization registration
Registration Ends: Sep 1, 2026
Registration
Aug 8, 2025• 8 months ago
Registered
HPD registration filed
Registration Ends: Sep 1, 2026·Last Registration: Aug 8, 2025
Tax Record
Jan 1, 2025• 1 year ago
Assessed
Tax Year 2025 Market Value: $2,145,000 Exemptions: $53,377
Owner: BK-VM LIMITED PTRSHP
Year Built: 1,931
Building Class: C1
Gross Area: 7,004 sqft
Units: 8
Stories: 4
Zoning: R6A
Assessed Value: $965,250
Market Value: $2,145,000
hpd bedbug
Dec 3, 2024• 1 year ago
Filed
Annual bedbug filing — no infestations reported
Filing Period Start: Nov 1, 2023·Filing Period End: Oct 31, 2024
Tax Record
Jan 1, 2024• 2 years ago
Assessed
Tax Year 2024 Market Value: $1,978,000
Owner: BK-VM LIMITED PTRSHP
Year Built: 1,931
Building Class: C1
Gross Area: 7,004 sqft
Units: 8
Stories: 4
Zoning: R6A
Assessed Value: $890,100
Market Value: $1,978,000
hpd bedbug
Dec 6, 2023• 2 years ago
Filed
Annual bedbug filing — no infestations reported
Filing Period Start: Nov 1, 2022·Filing Period End: Oct 31, 2023
hpd bedbug
Dec 2, 2022• 3 years ago
Filed
Annual bedbug filing — no infestations reported
Filing Period Start: Nov 1, 2021·Filing Period End: Oct 31, 2022
This report is an informational tool based on publicly available government records and does not constitute a “consumer report” under the Fair Credit Reporting Act. Building grades are editorial opinions and should not be used as the sole basis for housing, lending, or employment decisions. Data sourced from HPD, DOB, DOF, ECB, FDNY, 311, and other NYC agencies. Report errors to data@openstoop.com. See our Terms and Privacy Policy.