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Property profile & analytics
OFF-MARKET
Estimated value
$4,255,000
Investment properties
646 Washington St 654 San Francisco, CA 94111-2106
Individually Owned
Absentee Owner
~
Est. High Equity
Property ID
US09-6146871
Property profile
Verified
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Year built
1909
Construction
TILT-UP CONCRETE
Total area
18,128 SF
Lot
0.1 ac (4,560 SF)
Zoning code
CCB
APN
0195 -008
UPID
US09-6146871
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
golden saba seafood Restaurant
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$3.01M
Blend (final)
Blend
$4.26M
Owner & transaction history
Safaa
Safaa
since 2026
4 recorded transactions
Zoning & alternative use
CCB · San Francisco, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs San Francisco submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Francisco submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$7,000,000
Change: -10% · Conversion: Moderate
Blend value · Realmo final
$4.26M
Range $3.83M – $4.68M · ±10%
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$235 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$75,095
Tax year 2024
Assessed value
$6,343,144
Assessed 2024
Previous assessed
$6,343,144
+0.0% YoY
Effective rate
1.18%
On assessed value
Assessed land
$3,805,887
Assessed improvement
$2,537,257
Applied tax rate
1.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Investment properties
Use group
OFFICE/RESIDENTIAL (MIXED USE)
Status
Off-Market
Year built
1909
Construction
TILT-UP CONCRETE
Heating
NONE
Stories
3
Units
1
Rooms
11
Bathrooms
10
Total area
18,128 SF
Lot
0.1 ac (4,560 SF)
Zoning code
CCB
APN
0195 -008
UPID
US09-6146871
Jurisdiction
SAN FRANCISCO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
CCB · San Francisco, CA
Zoning CCB · permitted uses
CCB · San Francisco, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
San Francisco. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS)
Est. value
$7.0M
APARTMENT HOUSE (5+ UNITS)
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1909
Construction
TILT-UP CONCRETE
Heating
NONE
Stories
3
Units
1
Rooms
11
Bathrooms
10
Lot
0.1 ac
Current owner
From public records · entity-resolved
Safaa
Individual
Mailing address
616 GRANT AVE, SAN FRANCISCO, CA 94108-2402
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2026
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 25, 2026
$2,175,000
Safaa
646 Washington LLC
Grant Deed
$1,300,000 · Ixg Investment LLC
Sep 6, 2019
—
646 Washington LLC
Tam,stephen & Andrew
Quit Claim Deed
related
—
Feb 15, 2019
—
Stephen Tam
Tam Family Investment Co INC
Quit Claim Deed
related
—
May 29, 1991
$1,270,000
Tam Family Inves
Castellino,j./ma
Grant Deed
$700,000 · Lippobank
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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