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No red flags found. Standard due diligence recommended.
780 Dumont Avenue is a walkup apartment building built in 1910 in Brooklyn with 3 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. Active permit activity suggests ongoing maintenance investment. Our analysis reviewed 28 records across 26 public data sources, benchmarked against similar small prewar residential buildings in NYC.
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No open violations, no complaints, no liens — this building is well-maintained and fully compliant.
DOB Complaint #4B
Tax Year 2027 Market Value: $981,000
Tax Year 2026 Market Value: $917,000 Exemptions: $27,510
Tax Year 2025 Market Value: $749,000 Exemptions: $22,470
Minor Alteration: REMOVE EXISTING GARAGE AT REAR YARD. APPLICATION FILED TO ANSWER ECB VIOLATION 34983748L/DOB VIOLATI
Minor Alteration
Minor Alteration
Minor Alteration
Minor Alteration
Minor Alteration: BRICK REPLACEMENT AS PER PLAN. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION.
Minor Alteration: PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED FILED FOR REMEDIAL REPAIRS AS PER PLANS. NO CHANGE
Assignment
Mortgage — $174,156.13
Assignment
Mortgage — $117,000
Loud Music/Party
Construction: FAILURE TO MAINTAIN BLDG IN A CODE COMPLIANT MANNER. NOTE: AT TIME OF INSPECTION FOUND GARAGE AT REA — $500 penalty
DOB Violation
Initial (Job PC7006033)
Initial (Job PC6992308)
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.