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Property profile & analytics
OFF-MARKET
Estimated value
$1,550,000
Retail space
78 21st Ave San Mateo, CA 94403-1803
Entity Owned
2-yr Hold
Free & Clear
Property ID
US09-2232362
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Lot
0.11 ac (4,997 SF)
Zoning code
C40001
APN
039-073-370
UPID
US09-2232362
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
$1.55M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.55M
Owner & transaction history
78 East 21st Ave San Mateo LLC · 2 yrs held
78 East 21st Ave San Mateo LLC
since 2024
Last sale
$1.6M
7 recorded transactions
Zoning & alternative use
C40001 · San Mateo, 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 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
$1,550,000
ML approach
$1,550,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$1.55M
Range $1.40M – $1.71M · ±10% · vs last sale $1.55M (Apr 1 2024)
Last sale anchor
$1.55M
Apr 1 2024
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
—
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
$10,777
Tax year 2024
Assessed value
$757,883
Assessed 2024
Previous assessed
$757,883
+0.0% YoY
Effective rate
1.42%
On assessed value
Assessed land
$393,430
Assessed improvement
$364,453
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
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
Off-Market
Heating
NONE
Lot
0.11 ac (4,997 SF)
Zoning code
C40001
APN
039-073-370
UPID
US09-2232362
Jurisdiction
SAN MATEO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
C40001 · San Mateo, CA
Zoning C40001 · permitted uses
C40001 · San Mateo, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
San Mateo. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Heating
NONE
Lot
0.11 ac
Current owner
From public records · entity-resolved
78 East 21st Ave San Mateo LLC
Entity
Free & Clear · 2 yrs held
Mailing address
353 W POPLAR AVE, SAN MATEO, CA 94402-1155
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 1, 2024
$1,550,000
78 East 21st Ave San Mateo LLC
Hong Bennett
Grant Deed
—
Mar 20, 2017
—
Underwood Trust
Underwood H E & M A Trust
Quit Claim Deed
related
—
Mar 9, 2017
—
Underwood,harry E & M A Trust
Underwood H E & M A Trust
Quit Claim Deed
related
—
Jun 10, 2014
—
Mark D Underwood
Underwood,harry E
Affidavit Of Death
related
—
Dec 28, 2012
—
Underwood Harry E & M A Trust
Underwood H E & M A Trust
Quit Claim Deed
related
—
Nov 16, 2011
—
Underwood Harry E & M A Trust
Underwood,marie A
Quit Claim Deed
related
—
Jun 26, 2009
—
Underwood Harry E & M A Trust
Underwood H E & M A Trust
Quit Claim Deed
related
—
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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