Union House.
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Union House at Van Ness and Union: four closings this year at $1,814 a foot, above its 2020 opening, with three June 2020 buyers out at minus 5.5, plus 2.3 and plus 25 percent
Four closings at 1515 Union Street through October 15, against six in the 2025 window; $7.9 million of volume against $19.0 million. Median sale $2,025,000; median $1,814 a square foot, flat on $1,822 and above the $1,798 of 2020, when the developer closed 36 units. The same 1,247-square-foot plan sold twice, #4B at $2,750,000 and #5C at $2,900,000; all three paired resales trace to June 24, 2020.
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The building
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About Union House
Union House is a 41-unit condominium building in Cow Hollow, San Francisco, built in 2020. 4 recorded sales in the 12 months to Oct 18, 2026, too few for a median.
Union House, by the numbers
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Owner tenure patterns, price trajectories, sale-to-list ratios and off-market activity signals — available to members. Free to sign up.
Unlock enhanced data →Every recorded sale at Union House
Union House at 1515 Union St has 42 recorded sales since 2020. In the 12 months to Oct 18, 2026, 4 sold, too few for a median.
| Date | Unit | Price | Sq ft | $/sq ft |
|---|---|---|---|---|
| Jun 23, 2026 | 4B | $2,750,000 | 1,247 | $2,205 |
| Apr 8, 2026 | 4F | $950,000 | 913 | $1,041 |
| Dec 3, 2025 | 6D | $2,550,000 | 1,618 | $1,576 |
| Nov 4, 2025 | 4I | $2,525,000 | 1,535 | $1,645 |
| May 6, 2025 | 3H | $1,550,000 | 1,113 | $1,393 |
| Nov 8, 2023 | 5E | $1,175,000 | 955 | $1,230 |
| Jul 21, 2023 | 4E | $1,240,000 | 1,045 | $1,187 |
| Jun 24, 2020 | 1 | $7,375,000 | 2,437 | $3,026 |
| Jun 24, 2020 | 2 | $6,075,000 | 2,015 | $3,015 |
| Jun 24, 2020 | 6A | $6,000,000 | 2,362 | $2,540 |
| Jun 24, 2020 | 5 | $4,425,000 | 1,772 | $2,497 |
| Jun 24, 2020 | 6B | $3,860,000 | 1,871 | $2,063 |
| Jun 24, 2020 | 6E | $3,700,000 | 1,657 | $2,233 |
| Jun 24, 2020 | 5A | $3,600,000 | 1,508 | $2,387 |
| Jun 24, 2020 | 4A | $3,040,000 | 1,508 | $2,016 |
The 15 most recent of 42 recorded sales, from county records and the MLS, one row per sale. Transfers under $100,000 are left out. BMR marks a below-market-rate sale: it is listed here and left out of every figure on this site.
Sale history by unit
41 units at Union House have a recorded sale since 2016. Each page lists that unit’s recorded sales and the units directly above and below it.
More on Union House
- Union House at Van Ness and Union: four closings this year at $1,814 a foot, above its 2020 opening, with three June 2020 buyers out at minus 5.5, plus 2.3 and plus 25 percent · Oct 15, 2026
- The Belvedere at 2525 Van Ness: four closings this year at $2,120 a foot, three of them 1,951-square-foot three-bedrooms above $4.1 million, in a building that opened in 2024 · Oct 15, 2026
How Union House compares
Trailing-12-month performance against the half-mile surroundings and the broader market, plus quarter-by-quarter $/ft² history.
Mortgage calculator
Back-of-envelope monthly cost for a purchase at Union House. Defaults use the building’s recent median price and conservative market assumptions.
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