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Property profile & analytics
OFF-MARKET
Estimated value
$22,730,000
Office buildings
330 Claremont St San Mateo, CA 94401-3314
Entity Owned
1-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-5622806
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Year built
2019
Total area
65,625 SF
Lot
0.51 ac (22,004 SF)
APN
034-182-160
UPID
US09-5622806
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$20.93M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$22.73M
Owner & transaction history
405sfo Borrower LLC · 1 yrs held
405sfo Borrower LLC
since 2025
Last sale
$23.5M
6 recorded transactions
Zoning & alternative use
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 Mateo submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Mateo 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
$22,995,000
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$22,665,000
6.5%
$20,925,000
7%
$19,430,000
Alternative Use
Use
Estimation
NEIGHBORHOOD: SHOPPING CENTER
$35,415,000
Change: -17% · Conversion: Difficult
Blend value · Realmo final
$22.73M
Range $20.46M – $25.00M · ±10% · vs last sale $23.50M (May 23 2025)
Last sale anchor
$23.50M
May 23 2025
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
$346 / 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
$931,845
Tax year 2024
Assessed value
$81,402,224
Assessed 2024
Previous assessed
$81,402,224
+0.0% YoY
Effective rate
1.14%
On assessed value
Assessed land
$7,250,872
Assessed improvement
$74,151,352
Applied tax rate
12.0000
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 (MULTI-STORY)
Status
Off-Market
Year built
2019
Heating
NONE
Stories
4
Total area
65,625 SF
Lot
0.51 ac (22,004 SF)
APN
034-182-160
UPID
US09-5622806
Jurisdiction
SAN MATEO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$35.4M
NEIGHBORHOOD: SHOPPING CENTER
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
2019
Heating
NONE
Stories
4
Lot
0.51 ac
Current owner
From public records · entity-resolved
405sfo Borrower LLC
Entity
Mailing address
530 EMERSON ST #150, PALO ALTO, CA 94301-1607
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 23, 2025
$23,500,000
405sfo Borrower LLC
Windy Hill Pv Seven Cm LLC
Grant Deed
$62,500,000 · Wilmington Trust NA
Nov 5, 2019
—
Windy Hill Pv Seven Cm LLC
—
Deed
related
$62,500,000 · Citi Real Estate Funding INC
Jan 10, 2018
—
Windy Hill Pv Seven Cm LLC
—
Grant Deed
related
$33,000,000 · Bank Of Ozarks
Aug 23, 2017
$3,276,500
Windy Hill Pv Seven Cm LLC
Cesena,dan F & Kristine
Grant Deed
—
Sep 30, 2005
—
Cesena,dan F & Kristine
Cesena,dan F
Quit Claim Deed
related
$620,000 · Citibank West Fsb
—
—
Dan F Cesena
—
Deed Of Trust
related
$650,000 · Claremont Street Lenders LLC Claremont Street Lenders LLC
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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