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305 UNION AVNUE

Brooklyn · Williamsburg · New York, NY 11211

Built 2017 7 Floors 19 Units Condominiums
A
100/100
Compliance Score

No open violations on record. Building is in full compliance.

What This Means for Buyers

305 UNION AVNUE is a boutique modern condominiums building with walk-up in Williamsburg. Williamsburg is the global face of Brooklyn's cultural and residential renaissance. Defined by its stunning waterfront parks and the iconic L-train connection to Manhattan, the neighborhood offers a h... Zoned R6, this building sits in a medium-density residential allowing apartments up to 13 stories. The building has a clean compliance record with no open violations.

Williamsburg

Williamsburg is the global face of Brooklyn's cultural and residential renaissance. Defined by its stunning waterfront parks and the iconic L-train connection to Manhattan, the neighborhood offers a high-energy lifestyle. The real estate market is dominated by sleek, glass-walled luxury condominiums along the East River, alongside historic warehouse conversions and boutique new developments that cater to a wide range of buyers and renters.

View Full Neighborhood Profile

Public Records & Ownership Lookup

Search this building's deed history, mortgages, and LLC ownership through official NYC government databases. Free public data.

ACRIS Records

Every recorded deed, mortgage, and lien since 1966.

nyc.gov

NYC Property Portal

Tax bill, ownership, building class, zoning.

BBL: 3024137502.00000000

LLC Lookup

Find the managing member of an LLC owner from ACRIS.

dos.ny.gov

DOB BIS Record

Department of Buildings permits, violations, and certificates of occupancy.

nyc.gov/dob

Permanent Property Identifier

BBL: 3-02413-7502

New to ACRIS? Read our step-by-step guide.

Looking to buy in this building?

See active sale listings in Williamsburg and similar buildings nearby.

View Williamsburg listings

Recently Rented in This Building

RLS Logo

Closed rental data from REBNY Listing Service (RLS). All information deemed reliable but not guaranteed.

Sales History

Date ▼ Unit Beds Price Sq Ft
Mar 22, 2023Unit PHA3BR$2,050,0001,597
Jun 11, 2024Unit 3A2BR$1,749,0001,189
Jun 11, 2025Unit 3C3BR$1,825,0001,230
Sep 3, 2024Unit 4A2BR$1,700,0001,209
RLS

Closed sale data from REBNY Listing Service. Information deemed reliable but not guaranteed.

Rental History

Unit Lease Date ▼ Rent Beds Baths Sq Ft
Unit 5BAug 2, 2023$3,450/mo01517
Unit PHCJun 9, 2023$10,950/mo332,150
Unit 5CJun 9, 2023$6,750/mo221,216
Unit 4BMay 8, 2025$3,550/mo01506
Unit 5CJun 15, 2024$6,950/mo321,216
Unit 3DJan 30, 2023$3,775/mo11651
Unit 2BOct 28, 2024$5,650/mo12861
Unit 2BNov 7, 2025$5,795/mo12861
Unit 2CAug 21, 2023$6,825/mo321,208
Unit 4BJun 7, 2023$3,350/mo01506
Unit PHCJun 21, 2022$10,500/mo322,150
Unit 2CSep 2, 2021$6,150/mo321,208
Unit PHCAug 20, 2021$9,500/mo322,150
RLS

Closed rental data from REBNY Listing Service. Information deemed reliable but not guaranteed.

Compliance & Violations

Clean Compliance Record

This building has no open violations on record with NYC DOB or HPD.

Source: NYC Department of Buildings & HPD (data.cityofnewyork.us)

Nearby Transit

No subway stations found within 0.5 miles.

Approximate walking distances.

Nearby Schools

No public schools found within walking distance.

Permits & Renovations

No recent permit filings found.

Zoning & Development

Zoning District
R6

Medium-density residential allowing apartments up to 13 stories.

Overlay
C2-3
Floor Area Ratio (FAR)
2.75 / 4.80
43% development potential remaining
View on NYC ZoLa →

Building Details

Physical
Building Class
Condominiums (R4)
Land Use
3
Year Built
2017
Floors
7
Total Units
19
Gross Floor Area
20,640 sq ft
Lot Area
7,500 sq ft
Lot Frontage
75 ft
Lot Depth
100 ft
Municipal Districts
Community District
CD 1
City Council
District 34
School District
14
Police Precinct
90
Fire Company
L104
Sanitation District
1
BBL
3024137502.00000000

Source: NYC PLUTO (data.cityofnewyork.us)

Official Records

ACRIS (NYC Property Records) NYC Finance (Tax & Assessment) NYC DOB BIS (Permits & Violations) NYC ZoLa (Zoning) Google Maps

Street View

Open in Google Maps

Location

Building Subway 🏫 Elementary 📚 Middle 🎓 High School

Frequently Asked Questions about 305 UNION AVNUE

What kind of building is 305 UNION AVNUE?
305 UNION AVNUE is recorded in NYC PLUTO as a Condominiums (building class R4).
When was 305 UNION AVNUE built?
Built in 2017, 7 floors, 19 total units. Data sourced from NYC PLUTO, the city's official tax lot database.
How many units are at 305 UNION AVNUE?
19 residential units across 7 floors.
How many apartments are currently for sale at 305 UNION AVNUE?
Active listing counts are loaded from the REBNY Listing Service in real time. See the Active Listings section above for current availability and price ranges. If no listings appear, there are no units currently on the market through RLS.
What is the average price per square foot at 305 UNION AVNUE?
Per-square-foot pricing is calculated from closed sale transactions in the Sales History section above. Actual pricing varies by floor, exposure, renovation level, and unit layout. For a current valuation, contact Milton for a building-specific comparable market analysis.
What is the closest subway to 305 UNION AVNUE?
305 UNION AVNUE is served by MTA subway lines within BK. The Nearby Transit section above shows all stations within half a mile.
How can I see the full sales history for 305 UNION AVNUE?
The Sales History section on this page shows closed transactions from the REBNY Listing Service (RLS). For full deed and mortgage history back to 1966, including lien searches and ownership chain verification, use ACRIS, NYC's free official property records system. Our step-by-step guide explains exactly how: ACRIS NYC: How to Search Deeds, Liens & Owner Records Free.
Who should I contact about a listing at 305 UNION AVNUE?
Milton Coste, Licensed Real Estate Associate Broker at Keller Williams NYC. Call or text (917) 416-7433, email [email protected], or schedule a consultation online. Milton has represented buyers and sellers across all five boroughs for 25+ years.
Who owns 305 UNION AVNUE?
The current owner of 305 UNION AVNUE is recorded in the most recent deed on file with the NYC Department of Finance ACRIS system. To find the current owner: (1) visit acris.nyc.gov, (2) search by BBL 3-02413-7502 or by address, (3) sort by date descending and find the most recent deed. The grantee (buyer) on that deed is the current owner. If the owner is an LLC, look up the LLC's managing member at the NY Department of State Business Entity Database.
What is the BBL for 305 UNION AVNUE?
The BBL (Borough, Block, Lot) for 305 UNION AVNUE is 3-02413-7502. The first digit (3) identifies the borough: Brooklyn. The next 5 digits are the tax block (2413) and the last 4 are the lot within that block (7502). BBLs never change even when addresses are renumbered, which makes them the most reliable identifier for NYC public records like ACRIS deeds, DOB permits, and tax bills.
Where can I find the deed history for 305 UNION AVNUE?
Every recorded deed for 305 UNION AVNUE since 1966 is searchable for free at acris.nyc.gov. Search by BBL 3-02413-7502 for the most reliable results. The deed history shows every ownership transfer with grantor (seller), grantee (buyer), date, and recorded sale price. Older transfers may show LLC names. To trace the LLC's managing member, cross-reference with the NY Department of State at apps.dos.ny.gov. Our step-by-step ACRIS guide walks through the full process.

Interested in 305 UNION AVNUE?

Milton Coste is a Licensed Real Estate Associate Broker at Keller Williams NYC with 25+ years across all five boroughs. Call, text, or schedule a free consultation.

(917) 416-7433 · [email protected] · WhatsApp
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