The Infinity.
Units here trade around $1,182/sq ft. What would yours sell for?
Make an offer on any unit →See every sale in this building — freeA unit lists, a sale records, the HOA figures change. No account, and one click to stop.
The Infinity's two-bedrooms are selling at $1,282 a foot this year, up from $1,072
Sixteen closings across 301 Main, 318 Spear and 338 Spear through October 15, against 22 in the 2025 window. Median price per square foot rose from $1,078 to $1,228. The complex's 2015 high was $1,701 a foot.
5 homes off market in this building
5 coming soon in The Infinity. The unit, price and photos open with a free account, with disclosures, a Comp Report and a tour a click away.
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3 active listings in this building
Currently on the market. Tap any unit for full detail — or make an offer.
The building
A visual survey of The Infinity.
About The Infinity
The Infinity is a 650-unit condominium building in South Beach, San Francisco, built in 2008. In the 12 months to Oct 17, 2026, units here traded at a median of $1,182 per square foot across 18 recorded sales.
The Infinity, 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 The Infinity
The Infinity at 338 Spear St has 316 recorded sales since 2008. In the 12 months to Oct 17, 2026, 18 sold at a median of $1,182 per square foot. Median time on market: 40 days (8 MLS sales, same 12 months).
| Date | Unit | Price | Sq ft | $/sq ft |
|---|---|---|---|---|
| Sep 29, 2026 | 301 Main St #10F | $1,550,000 | 1,307 | $1,186 |
| Aug 30, 2026 | 338 Spear St #8G | $792,000 | 645 | $1,228 |
| Aug 27, 2026 | 318 Spear St #8H | $1,600,000 | 1,256 | $1,274 |
| Jun 24, 2026 | 338 Spear St #4D | $938,000 | — | — |
| Jun 12, 2026 | 301 Main St #18G | $950,000 | 806 | $1,179 |
| May 30, 2026 | 338 Spear St #6A | $1,250,000 | 1,167 | $1,071 |
| May 8, 2026 | 338 Spear St #3A | $1,218,000 | 1,167 | $1,044 |
| May 5, 2026 | 338 Spear St #14B | $1,791,000 | 1,323 | $1,354 |
| Apr 23, 2026 | 318 Spear St #4K | $880,000 | 832 | $1,058 |
| Mar 31, 2026 | 301 Main St #12B | $1,785,500 | 1,317 | $1,356 |
| Mar 16, 2026 | 301 Main St #30A | $2,060,000 | 1,268 | $1,625 |
| Feb 20, 2026 | 318 Spear St #4H | $940,000 | 836 | $1,124 |
| Feb 19, 2026 | 338 Spear St #16H | $1,700,000 | — | — |
| Feb 2, 2026 | 301 Main St #16H | $1,700,000 | 1,317 | $1,291 |
| Jan 14, 2026 | 338 Spear St #34B | $3,000,000 | — | — |
The 15 most recent of 316 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
122 units at The Infinity have a recorded sale since 2016. Each page lists that unit’s recorded sales and the units directly above and below it.
All 122 units with a recorded sale since 2016
More on The Infinity
How The Infinity compares
Trailing-12-month performance against the half-mile surroundings and the broader market, plus quarter-by-quarter $/ft² history.
South Beach, by $/sf
Median price per square foot across South Beach buildings — last 12 months of closed sales. The Infinity is highlighted.
Mortgage calculator
Back-of-envelope monthly cost for a purchase at The Infinity. Defaults use the building’s recent median price and conservative market assumptions.
Numbers add up?
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Watch the market review
A short video walkthrough of recent sales in The Infinity and the buildings around it — what’s moving, and what it means for value.
HOA & CC&R cheat sheet
A plain-English summary of The Infinity’s rules, fees, rental policy, and the fine print that actually matters — delivered within 24 hours.
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