Back to Search
Property profile & analytics
FOR LEASE
Office buildings
343 Sansome St San Francisco, CA 94104
Entity Owned
13-yr Hold
~
Est. High Equity
Property ID
US09-5991066
For Lease
$1,510,000
343 Sansome St, San Francisco, CA 94104
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1991
Total area
256,986 SF
Lot
0.55 ac (23,904 SF)
Zoning code
C3O
APN
0239 -030
UPID
US09-5991066
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
-
Rome Meadows Apartments Apartment Building
-
Westamerica Bank Bank Loan Service
-
Spotlight Financial, Inc Financial Advisor
-
Tede Jeanine S Law Firm
-
GLG Business Management Consultant
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.51M
Owner & transaction history
Sansome Holdings LP · 13 yrs held
Sansome Holdings LP
since 2012
3 recorded transactions
Zoning & alternative use
C3O · 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
$6 / 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
$1,526,799
Tax year 2024
Assessed value
$127,670,212
Assessed 2024
Previous assessed
$127,670,212
+0.0% YoY
Effective rate
1.20%
On assessed value
Assessed land
$79,378,880
Assessed improvement
$48,291,332
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
Office buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1991
Heating
NONE
Stories
15
Total area
256,986 SF
Lot
0.55 ac (23,904 SF)
Zoning code
C3O
APN
0239 -030
UPID
US09-5991066
Jurisdiction
SAN FRANCISCO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
C3O · San Francisco, CA
Zoning C3O · permitted uses
C3O · 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.
Building & site characteristics
From public records
Year built
1991
Heating
NONE
Stories
15
Lot
0.55 ac
Current owner
From public records · entity-resolved
Sansome Holdings LP
Entity
Mailing address
343 SANSOME ST STE #175, SAN FRANCISCO, CA 94104-5625
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2012
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 19, 2012
$105,750,000
Sansome Holdings LP
Interland 343 Sansome LLC
Grant Deed
related
—
Jan 31, 2012
—
Interland 343 Sansome LLC
—
Deed Of Trust
related
$70,000,000 · New York Life Insurance
—
—
Interland 343 Sansome LLC
—
Deed Of Trust
related
$70,000,000 · New York Life Insurance
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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
