4B/1515 Union Street

Off Market

4B/1515 Union Street

San Francisco CA 94123

1247 sq. ft.

16557.16 sq. ft.

Condo

Last sold for $2,675,000

David Costello, last sold this property on 22 June 2026 after 54 days on market.

Overview

Experience elevated living in Residence 4B at Union House: currently the only 2-bedroom, 2-bath luxury condominium available for sale in one of San Francisco's most coveted boutique buildings. Ideally located at the crossroads of Pacific Heights, Cow Hollow, Russian Hill, and the Marina, this refined 1,250 sq ft unit combines elegant design with modern comfort. Filled with natural light, the home features soaring ceilings and oversized picture-frame windows that showcase sweeping city views including direct views of the Golden Gate Bridge and Palace of Fine Arts. European wide-plank oak flooring, custom millwork, and premium finishes create an atmosphere of timeless sophistication. The gourmet kitchen impresses with Miele appliances, marble countertops, and a generous island that opens to a spacious family room perfect for entertaining. The expansive primary suite boasts a spa-like bath with double vanities and a large walk-in closet. A second bedroom, stylish guest bath, laundry room, and ample storage complete the offering. Built in 2020 with only 41 residences and a full time lobby attendant, Union House is a rare opportunity for luxurious city living in an unbeatable location.

Features

2 bedrooms

2 bathrooms

1 carspace

1 garage space

1247 sq. ft. floor area

16557.16 sq. ft. lot size

Condo

Estimated Value

Based on this property and similar 2 bedroom condos sold in San Francisco over the last 12 months, the estimated median property value of 4B/1515 Union Street is $1.88m.

Median value

$1.88m

Estimated value range

$1.07m - $3.4m

Median days on market

Estimated value trend

11%

increase over the last 12 months

Average days on market is based on recent, comparable sales in San Francisco. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 4B/1515 Union Street

2026

Sold

$2,675,000

22 Jun 2026 by David Costello, of Compass

2023

Sold

$2,200,000

07 Apr 2023 by Andres Ardila, of Compass

Happy sellers in San Francisco

We have insufficient information to provide an overview of customer satisfaction for San Francisco. Viewing the agent profiles, reviews and sales for San Francisco can provide insights for this location.

Local market activity for 2 bedroom condos in San Francisco

In the last 12 months, 40 two-bedroom condos similar to 4B/1515 Union Street, have been sold.

This represents a 24% increase in two-bedroom condos sales when compared to the previous 12 months.

Sold

For Sale

Interested in selling?

People are reaching out to these agents in San Francisco for a market analysis.

Garrett Burdick

at Coldwell Banker Realty - Greenbrae

(38 reviews)

Get a market analysis

Butch Haze

at Compass

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Erin Thompson

at Compass

(4 reviews)

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Simran Alden

at Vanguard Properties

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Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in San Francisco

Garrett Burdick

Sellers who recommend Garrett Burdick have praised them for being local expert, detail-oriented, trustworthy, patient, dedicated, funny, and hard-working