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

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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 15 building permits on record (13 active). There are 9 violations on record (1 currently open). 6 docketed judgments carrying $97,500 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

97records on file

Completed in 1930, 509 Ryder Ave 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 97 separate government filings.

The documentary life of the address leans hard toward complaint: 23 of its 97 records, fully 24%, fall under that one heading. Permit (15) and mortgage (13) trail well behind. 1 violation stands 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 97 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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Sources

NYC DOB NYC HPD NYC DOF ACRIS NYC DCP ECB/OATH NYC DEP NYC LPC NYC FDNY NYS DHCR MOCEJ FEMA EPA US Census HUD USGS

latest record Sep 2, 2026

Property Details

Address509 RYDER AVE, Brooklyn, NY 11230

Building TypeOne Family Dwelling - Attached or Semi-Detached

Building ClassA5

Year Built1930

Floors2

Total Units1

Building Area2,200 sqft

Lot Size2,744 sqft

ZoningR5

ConditionAverage

BBL3065870006

BIN3173765

OwnershipIndividually owned

Assessment & Sales

Market Value$2.2M

Assessed Total$130K

Assessed Land$28K

Last Sale Price$800K

Last Sale DateAug 20, 2007

Building Permits

15 on record · 13 active

General ConstructionDOB NOW

PERMIT ISSUED

Filed Sep 2, 2026Est. cost $626KJob #B01318015-I1

Initial Permit

View this permit's full record & inspection history →

General ConstructionDOB NOW

PERMIT ENTIRE

Filed Sep 2, 2026Est. cost $626KJob #B01318015-I1

View this permit's full record & inspection history →

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

Initial Permit

View this permit's full record & inspection history →

General ConstructionDOB NOW

PERMIT ENTIRE

Filed Jul 3, 2025Est. cost $1KJob #B01114880-S1

View this permit's full record & inspection history →

+ 10 more permits — view full report

Violations

9 on record · 1 open

Open judgment balance — docketed OATH judgments$97,500

Judgments · 6 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 Jul 27, 2026Balance $5,000Ticket #039127101K

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

+ 1 more docketed judgment — view full report

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 →

+ 8 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 15 building permits on record, with 13 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 (PERMIT ISSUED) filed Sep 2, 2026.

Does 509 RYDER AVE, Brooklyn have violations?

Yes. 509 RYDER AVE, Brooklyn, NY 11230 has 9 violations on record, with 1 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 6 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $97,500. 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 ($15, one-time) 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