Union BK, 305 Union Avenue - Condo in Williamsburg

Apartments
Overview & Photos
Maps
Ratings & Insider Info
Floorplans
Sales Data & Comps
Similar Buildings
All Units

Union BK,
305 Union Avenue

condo located in Williamsburg, between South 1st Street & South 2nd Street

Recent Sales (4) $1,414 Avg. price/ft²
All Units in Building (19)

Apt. 3C

3 beds

2 baths

1,230 ft²

$1,825,000

$1,484

$1,825,000

Jun 10, 2025

Apt. 4A

2 beds

2 baths

1,209 ft²

$1,700,000

$1,406

$1,700,000

Sep 3, 2024

Apt. 3A

2 beds

2 baths

1,189 ft²

$1,764,959

$1,484

$1,749,000

Jun 10, 2024

Apt. PHA

3 beds

2 baths

1,597 ft²

$2,050,000 -8.9%

$1,284

$2,250,000

Mar 22, 2023

View Full Sales History

Overview of Union BK at 305 Union Avenue

Union BK is a post-war condominium in Brooklyn's Williamsburg neighborhood finished in 2017. Situated at 305 Union Avenue, between South 1st Street and South 2nd Street, the building contains 19 units and rises 7 stories. The building has a 421a tax abatement, and residential amenities include virtual doorman with smartphone capabilities, lobby lounge, package room with cold storage, bike room, exercise room with Fitness on Demand, and on-site parking with electric car charging capabilites.

Year Built

2017

Apartments

Floors

Neighborhood

Williamsburg (Brooklyn)

Min Down

20%

Developer

Michael Schlegel

Architect

Garrison Architects

19Apartments

View All Past
Sales & Rentals
in Building

Amenities

Post War
Resident Storage
Rooftop Terrace
Elevator
Mail Room
Lounge
Fitness Center
On-Site Parking
Bike Room
Terraces / Balconies
Virtual Doorman

Area Map StreetView

{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.7096, "lng": -73.95122, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

Maps &
3D Aerial Views

View school info, local attractions, transportation options & more.

Experience amazing 3D aerial maps and fly throughs.

Nearby Subways

at Union Ave and Metropolitan Ave 0.22 miles

at Hooper and Broadway 0.22 miles

at Havemeyer and Broadway 0.35 miles

Editorial Coverage

Alternate Addresses

305 Union Avnue
307 Union Avenue
307-311 Union Avenue
311 Union Avenue
EcoRise Union Avenue

Bergen Brooklyn

between 3rd Avenue & 4th Avenue

Boerum Hill

World-class design, rooted in local charm. Crafted facade by Frida Escobedo | Textured interiors by Workstead. Early 2025 Occupancy.

Studios starting at $895,000
1 beds starting at $1,125,000
2 beds starting at $2,750,000
3 beds starting at $2,925,000
4 beds starting at $5,350,000
5 beds starting at $5,850,000

Learn More

RLS IDX Data display by CityRealty.com, LLC. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., All rights reserved. IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.

CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.

An equal housing opportunity

{"1":[40.775,-73.94,"East Side","_es"],"2":[40.79,-73.99,"West Side","_ws"],"11":[40.76,-73.98,"Midtown","_m"],"3":[40.736,-73.99,"Downtown","_d"],"13":[40.711309,-74.01,"Financial
District\/BPC","_fd"],"4":[40.682676,-73.973007,"Brooklyn","_b"],"12":[40.8444,-73.9376,"Upper Manhattan","_um"],"5":[40.7477089,-73.930411,"LIC \/ Queens","_qns"],"18":[40.8889782,-73.9025,"The Bronx","_bx"]}

This is your member's center

Union BK,305 Union Avenue

condo located in Williamsburg, between South 1st Street & South 2nd Street

Overview of Union BK at 305 Union Avenue

Amenities

Maps & 3D Aerial Views

Nearby Subways

Sales History

Sales Summary

Pricing Comparison of Similar Buildings

Editorial Coverage

Alternate Addresses

Buy & Sell

Rent

Buildings

Insights

Company

Union BK,
305 Union Avenue

Maps &
3D Aerial Views