1515 Union St #4B, San Francisco, CA 94123

Sold June 22, 2026 for $2,675,000 · 55 days on market
$2,675,000
Sold Price
2
Beds
2
Baths
1,247 SqFt
$2,145/SqFt
Jun 22, 2026
Sold Date
Listed By David S Costello. DRE# 001947195. Compass. (415) 828-8122
Source: SFAR/San Francisco, MLS # 426125930

Sold Summary

1515 Union St #4B in San Francisco sold for $2,675,000 on June 22, 2026 — 55 days after coming on the market at $2,675,000. That works out to $2,145 per square foot for a 2-bedroom, 2-bath condo built in 2020. The 1,247 sq ft condo sits in Cow Hollow, which Houseberry scores 3.4/5 overall, 3.3/5 for schools and 3.6/5 for safety — 51st of 92 neighborhoods in San Francisco — with a typical home price of $2.83M.

About This Home

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 Gold...Show More
Prop Type:
Year Built:
Home Size:
Lot Size:
Condominium
2020
1,247 SqFt
16,556 SqFt
Neighborhood:
MLS #:
Days on Houseberry:
HOA:
Cow Hollow
426125930
55
$2088

Property History

DateEvent & SourcePriceChange
Jun 22, 2026Sold SFAR$2,675,000+0.9%
Apr 28, 2026Listed SFAR$2,650,000

Schools serving this Neighborhood

School NameTypeGradesDistanceHouseberry School Score
Sherman Elementary PrimaryK-50.1 mi
Marina Middle Middle6-80.7 mi

Click links for school listing

info at GreatSchools.org

Houseberry School Score Data

from CA Dept. of Education

Houseberry recommends using these scores as only a starting point, and conducting your own investigation into what schools fit best for your preferences. School boundaries are not guaranteed and may change. It is important to contact the appropriate school district to confirm enrollment eligibility before making any decision to move to a neighborhood.

Neighborhood Amenities

  • Neighborhood Amenities
    Near Good Merchants

    5.0

  • Neighborhood Amenities
    Public Spaces

    3

  • Neighborhood Amenities
    Curb Appeal

    3.5

Overall Amenities score: 3.6

Other sales on Union St

11 other sales recorded on Union St since September 2025

8 of the 11 sales on Union St
AddressSoldPricePer sq ft
380 Union StAug 2026$800K—
378 Union StAug 2026$916K$1,216
376 Union StJul 2026$1.06M$1,138
1100 Union St #801Jul 2026$3.51M$1,399
2485 Union St #3Jul 2026$2.06M$1,585
1174 Union StJul 2026$1.55M—
2653 Union StJun 2026$8M$2,735
2885 Union StJun 2026$5.81M$2,362

and 3 more recorded on Union St.

This home's $2,145 per square foot ranks 4th of the 10 sales on Union St that record one, including this sale. The median of the other 9 is $1,585 per square foot.

Questions about this home

What neighborhood is 1515 Union St #4B in?

1515 Union St #4B sits in Cow Hollow, San Francisco. Houseberry ranks Cow Hollow 51st of the 92 neighborhoods we score in San Francisco.

What schools serve 1515 Union St #4B?

Houseberry holds attendance boundaries covering 1515 Union St #4B for Sherman Elementary (elementary school, K-5) 0.1 mi away and Marina Middle (middle school, 6-8) 0.7 mi away. We hold no high school boundary for this address, which does not mean there is no high school nearby.

How much did 1515 Union St #4B sell for?

1515 Union St #4B closed at $2,675,000 on June 22, 2026. It had been asking $2,675,000.

How long was 1515 Union St #4B on the market?

1515 Union St #4B was on the market for 55 days — listed on April 28, 2026, sale closed on June 22, 2026.

What is the price per square foot at 1515 Union St #4B?

1515 Union St #4B works out to $2,145 per square foot, from the $2,675,000 sale price across 1,247 square feet.

Is Cow Hollow a good place to live?

Houseberry scores Cow Hollow 3.4 out of 5 overall, with 3.3 for schools and 3.6 for safety, each on the same five-point scale.

See the full Cow Hollow profile

Explore Cow Hollow

Cow Hollow scores and market conditions

Houseberry has recorded 70 sales in Cow Hollow since September 2025.

Neighborhood data last updated September 25, 2026

Cow Hollow
Home RatingHome RatingHome RatingHome RatingHome Rating
3.4 /5
Personal Score: 4.0/5

Neighborhood Factors

Market Conditions

  • Neighborhood Factors
    Price
    $2.83M
  • Neighborhood Factors
    Undervalued
    $45k
  • Neighborhood Factors
    Appreciation
    12%

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Neighborhood Map
Contact Houseberry's 2026 Agent Pick for Cow Hollow