Brooklyn • One Family Dwelling

509 Ryder Ave

Brooklyn, NY 11230Individually ownedBBL 3065870006BIN 3173765

Updated Aug 1, 2026 · 16 sources

Year Built1930
Floors2
Units1
Building Area2,200 sqft
ZoningR5
ClassA5
Market Value$2.2M

509 RYDER AVE is a property located at 509 RYDER AVE, Brooklyn, NY 11230. It is classified as a one family dwelling - attached or semi-detached. The building was constructed in 1930. It has 2 floors and 1 unit. The building area is 2,200 square feet on a 2,744 sqft lot. The property is zoned R5. The assessed market value is $2.2M. It last sold for $800K on Aug 20, 2007. Public records list the property as individually owned. There are 14 building permits on record (12 active). There are 9 violations on record (8 currently open). 5 docketed judgments carrying $92,500 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

96records on file

Completed in 1930, 510 Ave N rises 2 stories over Kings. Public records put it at 1 unit and 2,200 square feet of floor area, on land zoned R5. It is carried on the public rolls at a market value of $2.2M, and assessed for tax at $130K. In the 46 years its record reaches back, the lot has drawn 96 separate government filings.

The documentary life of the address leans hard toward complaint: 23 of its 96 records, fully 24%, fall under that one heading. Permit (14) and mortgage (13) trail well behind. 8 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2024.

Read together — 24% complaint, 46 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$2.2M of Kings, written across 96 government filings.

Property Details

Address509 RYDER AVE, Brooklyn, NY 11230
Building TypeOne Family Dwelling - Attached or Semi-Detached
A5
Year Built1930
Floors2
Total Units1
Building Area2,200 sqft
Lot Size2,744 sqft
ZoningR5
ConditionAverage
3065870006
3173765
OwnershipIndividually owned

Assessment & Sales

$2.2M
$130K
$28K
$800K
Last Sale DateAug 20, 2007

Building Permits

14 on record · 12 active
General ConstructionDOB NOW
APPROVED
Filed Jun 23, 2026Est. cost $626KJob #B01318015-I1
ElectricalDOB NOW
APPROVED
Filed Jul 8, 2025Job #B01208282-P1

Super seed Application #B302190General Wiring

View this permit's full record & inspection history →
PlumbingDOB NOW
SIGNED-OFF
Filed Jul 3, 2025Est. cost $1KJob #B01114880-S1
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 3, 2025Est. cost $1KJob #B01114880-S1
Mechanical SystemsDOB NOW
PERMIT ISSUED
Filed Apr 23, 2025Est. cost $32KJob #B01114880-S2

+ 9 more permitsview full report

Violations

9 on record · 8 open
Open judgment balance — docketed OATH judgments$92,500
Judgments · 5 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 2025Balance $12,500Ticket #039137719L
WORK WITHOUT A PERMIT
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jun 8, 2026Balance $5,000Ticket #039130492Y
UNLAWFULLY CONTINUED WORK WHILE ON NOTICE OF A STOP WORK ORDER
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2025Balance $25,000Ticket #039120640H
UNLAWFULLY CONTINUED WORK WHILE ON NOTICE OF A STOP WORK ORDER
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2024Balance $25,000Ticket #035682925K
UNLAWFULLY CONTINUED WORK WHILE ON NOTICE OF A STOP WORK ORDER
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2024Balance $25,000Ticket #039118734X
UNLAWFULLY CONTINUED WORK WHILE ON NOTICE OF A STOP WORK ORDER
ECBConstruction
ACTIVE
Issued Feb 6, 2025#39137719L

AT TIME OF INSPECTION. OBSERVED AT REAR OF BUILDING VERTICAL & HORIZONTAL ENLARGEMENT WAS DONE ,WITH ROOF& WINDOWS, AND ONE DOOR, THE JOB IS 100% COMPLETED , THERE IS NO PERMIT ON FILE FOR THIS WORK ., OBTAIN P

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Nov 18, 2024#39130492Y

UNLAWFULLY CONTINUED WORK WHILE ON NOTICE OF A STOP WORK ORDER # 3967713 DATED 07/08/2024 AT REAR EXP #3 , 3 WORKERS PREP FOR STUCCO WORK ON 1ST FLOOR, COMPLETED WORK AT EXP 1,2, PARTIAL 3 WITH METAL CAPPING OV

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Oct 10, 2024#39127101K

WORKING AGAINST A FULL STOP WORK ORDER. NOTED : OBSERVED SCAFFOLD WAS ERECTED AT EXPOSURE 2,AND 3 , ALSO THERE ARE MEN WORKING ON THE SCAFFOLD, WHICH IS AGAINST STOP WORK ORDER # V1024-01806, ISSUED ON 07/08/20

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Oct 9, 2024#39126973N

UNLAWFULLY CONTINUED WORK ON NOTICE OF STOP WORK ORDER. CONSTRUCTION WAS PERFORMED AT EXPOSURE #3 WHILE ON A NOTICE OF A SWO ISSUED ON 07/08/2024.OBSERVED 2 WORKERS AT EXP#3 PERFORMING WORK FROM SUPPORTED SCAFF

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Aug 2, 2024#39120640H

WORKING AGAINST STOP WORK ORDER. NOTED: FULL STOP WORK ORDER # V1024-01806 ISSUED ON 07/08/2024, THEY ARE STILL DOING INTERIOR ,WHICH IS FRAMING, ALSO ELECTRICAL LINES ARE BEING INSTALLED FOR LIGHTS,SWITCHES,AN

View this violation's full details & status history →

+ 4 more violations on record — view full report

Get the Complete Report for 509 RYDER AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 509 RYDER AVE, Brooklyn built?

The building at 509 RYDER AVE, Brooklyn, NY 11230 was constructed in 1930. It is classified as a one family dwelling - attached or semi-detached with 2 floors and 1 unit. The building area is 2,200 sqft.

Are there building permits at 509 RYDER AVE, Brooklyn?

Yes. 509 RYDER AVE, Brooklyn, NY 11230 has 14 building permits on record, with 12 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (APPROVED) filed Jun 23, 2026.

Does 509 RYDER AVE, Brooklyn have violations?

Yes. 509 RYDER AVE, Brooklyn, NY 11230 has 9 violations on record, with 8 currently open. Breakdown: 1 DOB, 8 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 509 RYDER AVE, Brooklyn have docketed judgments?

Yes. 509 RYDER AVE, Brooklyn, NY 11230 has 5 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $92,500. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 509 RYDER AVE?

509 RYDER AVE, Brooklyn, NY 11230 has an assessed market value of $2.2M and a total assessed value of $130K (land: $28K). Assessment data is from the NYC Department of Finance (DOF).

When was 509 RYDER AVE last sold?

509 RYDER AVE, Brooklyn, NY 11230 last sold for $800K on Aug 20, 2007. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 509 RYDER AVE?

509 RYDER AVE, Brooklyn, NY 11230 is zoned R5. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 509 RYDER AVE?

509 RYDER AVE, Brooklyn, NY 11230 is individually owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 509 RYDER AVE?

Search 509 RYDER AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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509 RYDER AVE, Brooklyn, NY 11230 — Property Records, Permits, Violations, Tax & Zoning | RegWatch