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At $327,659, This 896-Square-Foot SoMa Studio Is Among the Cheapest Units Active in San Francisco Right Now

1 Federal Street #20 is listed at $327,659 — 72.6 percent below the median active list price in San Francisco. Recent sales of similarly sized units in the city closed between $518,000 and $1,150,000.

By Tim McMullen · September 25, 2026
1 Federal Street #20, San Francisco, from the MLS listing
Listing photo via MLSListings (SF426151490)

How it compares with homes like it

The peer rule here: condos and co-ops in the 717–1,075 square foot band, sold across San Francisco in the last 180 days. Thirty-seven sales fit that window. Their median price was $865,000, at a median $1,077 per square foot. At $327,659 and roughly $366 per square foot, 1 Federal Street #20 is priced at less than 38 percent of that peer median.

The gap is not subtle, and it warrants a plain explanation. The unit is listed with no bedroom count — a studio configuration, or possibly something non-conforming in its layout. At 896 square feet it sits in the middle of the size band, so size alone does not explain the discount. The building was constructed in 2003, so age is not the obvious driver either. What is left: condition, a specific floor or exposure problem, HOA financial issues, or a legal encumbrance on the unit. The record does not say, and buyers should ask directly before forming any view.

Among the 240 active listings tracked in San Francisco right now, this one sits at the 0.4th percentile by price — meaning roughly 239 listings are priced above it.

Comparable sales

The six most recent sales within 25 percent of this unit's size, per MLS status-change date:

1 Federal Street #20
The property as the listing photographed it.
AddressRecordedPriceSq ft$/sq ftDistance
2238 Market Street #107Sept 16, 2026$1,150,000801$1,436~2.5 mi
425 1st Street #1107Sept 15, 2026$1,085,000819$1,325~0.4 mi
333 Grant Avenue #701Sept 15, 2026$1,080,000850$1,271~0.7 mi
468 Tehama Street #8Sept 14, 2026$650,000819$794~0.3 mi
401 Harrison Street #31GSept 13, 2026$1,090,000758$1,438~0.5 mi
395 6th Street #413Sept 12, 2026$518,116805$644~0.3 mi

Five of the six closed above $1,000,000. The two exceptions — 468 Tehama Street at $650,000 and 395 6th Street at $518,116 — are the closest floor to what 1 Federal Street #20 is asking, and even those are $190,000 to $322,000 higher. The subject's $366 implied price per square foot sits well below every entry in this table.

Condos and townhomes across San Francisco

1 Federal Street #20
Interior, from the listing set.

The 37 sales in the 717–1,075 square foot band over the last 180 days posted a median price of $865,000 and a median of $1,077 per square foot. The full range across all 138 sales tracked in the broader market over the same period ran from $305,000 to $8,500,000, with a median of $1,412,500. That full-market figure includes larger units and houses and is included only for context — it is not a direct comparison for a sub-900-square-foot unit.

How the San Francisco market is doing

Across all property types, 138 sales closed in San Francisco in the last 180 days. The median sale price was $1,412,500, and the median price per square foot was $1,200, on a median size of 1,196 square feet. The comparable period a year earlier recorded zero sales in the tracking window, so no year-over-year comparison is available. The active inventory stands at 240 listings, ranging from $305,000 to $8,500,000.

1 Federal Street #20
Also from the listing set.

Tim McMullen · CA DRE #02016832
[email protected] · (415) 691-9272