Everything findable about this SoMa building is a listing portal or a lead generation page, which is to say nothing at all. No developer, no architect, no completion year. It sells, so it exists.
252 9th St · SoMa, San Francisco
What has actually sold here
3 closed sales in Sapphire in the last 24 months, the most recent in May 2026. 17 in total since 2016. That is a small sample. Treat the numbers below as indicative, not settled.
Median price per square foot
$725South of Market: $759
Median HOA dues
$622 a monthSouth of Market: $711 a month
Median days on market
59South of Market: 42
Closed San Francisco MLS sales through 2026-09-10, compiled by me from my own market database. Medians, not averages. HOA dues are those reported at the time of each sale and may have moved since. The neighborhood comparison covers condominiums only.
Sapphire in San Francisco. The faint dots are the other new developments in this directory.
What I would ask about SapphireFor a building with no public record, the reserve study is the single most informative document you can ask for.
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Building details compiled from the building's own site, the developer's
or architect's project pages, the general contractor, and San Francisco Planning records,
last reviewed August 2026. Anything unverifiable was left out. Deemed reliable but not
guaranteed. Not legal, tax, or financial advice.
Thinking about Sapphire?
Tell me what you're weighing. I'll register you with the building, come to the first showing, and give you a clear, honest read.
