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Property profile

646 Washington St 654 San Francisco, CA 94111

OFF-MARKET
Other investment properties
Property ID
US09-6146871
18,128 SF 0.1 ac lot Built 1909
Last sale Mar 2026 · $2,175,000
Individually Owned Owner of record is an individual. Absentee Owner Owner mailing address differs from the property address. ~ Est. High Equity Modeled equity is high. Estimate, not a fact.
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Property summary

AI-generated overview

646 Washington St is an approximately 18,128-square-foot mixed-use building situated on a 4,560-square-foot lot and includes a full basement. The ground floor is configured for restaurant use and historically operated as a seafood restaurant tenant space. The second and third floors each contain an office suite of approximately 1,800 square feet, with elevator access provided to both levels. The building also includes 12 SRO (single-room occupancy) units. The property is zoned CCB under APN 0195-008.

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2024

What does the county charge?
$75k
Tax billed · 2024
Assessed value$6.34M
Assessed land$3.81M
Assessed improvement$2.54M
Effective rate1.18%

Value estimate

· Oct 2026
$4.26M
$3.83M – $4.68M
Submarket $/SF estimate$3.01M

Realmo valuation models over county records and 8 qualifying comparable sales.

Recently sold

What actually traded nearby?
$428/SF
Submarket average, outlier-cleaned · 806 recorded sales of this use type
Observed band · Q1–Q3$245 – $815
Qualifying comparables8

Cap rate analysis

How does the asset earn?

No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.

Zoning insight

What can be built here?
CCB
JurisdictionSAN FRANCISCO

Location intelligence

Which uses thrive at this corner?
Best fit: Buffet
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Buffet6.9
Adult Day Care Center6.4
Tanning Salon6.1

Location

646 Washington St, Unit 654 San Francisco, CA 94111-2106
County assessor Recorded deeds · 4 transfers 8 qualifying comp sales Zoning catalog

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

1 recorded sale · 15 properties in this city
Recent sales nearby
1 recorded sale in this ZIP, last 8 years
Address Sale price Sold Size
712 Montgomery, San Francisco, CA 94111-2104 $6,000,000 Aug 2024 8,570 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable in this city
6 properties of the same type in this city
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