73 Sumner St.
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The Mullen Building, 73 Sumner: two lofts closed at $1,400,000 apiece this year inside two weeks, up 9.8 and 22.8 percent on their 2022 and 2023 purchases, after a 2025 sale at $612 a foot
Two closings at 73 Sumner Street through October 15, against one in the 2025 window; $2.8 million of volume against $699,000. Median sale $1,400,000; median $1,066 a square foot, against $612 last year, $788 in 2024 and $1,010 in 2022. #304, 1,262 square feet, bought in July 2022 for $1,275,000, closed after 11 days; #402, the 1,368-square-foot corner penthouse, bought in December 2023 for $1,140,000, after 12.
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Coming-soon listings, owners’ private numbers and The Exchange, with the unit, price and photos of each. Nothing in 73 Sumner St is off market today; a free account shows you everything that is.
1 active listing in this building
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The building
A visual survey of 73 Sumner St.
About 73 Sumner St
73 Sumner St is a 16-unit condominium building in SoMa, San Francisco, built in 2002. 2 recorded sales in the 12 months to Nov 2, 2026, too few for a median.
73 Sumner St, 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 73 Sumner St
73 Sumner St has 18 recorded sales since 2002. In the 12 months to Nov 2, 2026, 2 sold, too few for a median.
| Date | Unit | Price | Sq ft | $/sq ft |
|---|---|---|---|---|
| Jun 24, 2026 | 402 | $1,400,000 | 1,368 | $1,023 |
| Apr 7, 2026 | 304 | $1,400,000 | 1,262 | $1,109 |
| Feb 14, 2025 | 104 | $699,000 | 1,142 | $612 |
| Mar 22, 2024 | 203 | $895,000 | 1,136 | $788 |
| Dec 29, 2023 | 402 | $1,140,000 | 1,415 | $806 |
| Oct 7, 2022 | 202 | $1,025,000 | 1,228 | $835 |
| Jul 15, 2022 | 304 | $1,275,000 | 1,262 | $1,010 |
| Feb 27, 2020 | 401 | $1,460,000 | 1,441 | $1,013 |
| Feb 25, 2020 | 201 | $1,410,000 | 1,612 | $875 |
| Apr 16, 2019 | 102 | $899,000 | 1,116 | $806 |
| Dec 10, 2018 | 205 | $955,000 | 1,096 | $871 |
| Sep 11, 2017 | 103 | $950,000 | 1,142 | $832 |
| May 11, 2015 | 101 | $1,627,500 | 1,614 | $1,008 |
| Dec 1, 2014 | 303 | $965,000 | 1,137 | $849 |
| Oct 18, 2012 | 301 | $800,000 | 1,340 | $597 |
The 15 most recent of 18 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
10 units at 73 Sumner St have a recorded sale since 2016. Each page lists that unit’s recorded sales and the units directly above and below it.
How 73 Sumner St compares
Trailing-12-month performance against the half-mile surroundings and the broader market, plus quarter-by-quarter $/ft² history.
SoMa, by $/sf
Median price per square foot across SoMa buildings — last 12 months of closed sales. 73 Sumner St is highlighted.
Mortgage calculator
Back-of-envelope monthly cost for a purchase at 73 Sumner St. Defaults use the building’s recent median price and conservative market assumptions.
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Watch the market review
A short video walkthrough of recent sales in 73 Sumner St and the buildings around it — what’s moving, and what it means for value.
HOA & CC&R cheat sheet
A plain-English summary of 73 Sumner St’s rules, fees, rental policy, and the fine print that actually matters — delivered within 24 hours.
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