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Property profile & analytics
OFF-MARKET
Estimated value
$8,570,000
Retail space
509 4th Ave San Mateo, CA 94401-3312
Entity Owned
3-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-0163548
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1950
Total area
7,448 SF
Lot
0.19 ac (8,140 SF)
Zoning code
CH00C4
APN
034-185-150
UPID
US09-0163548
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
$8.10M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$8.57M
Owner & transaction history
Whpv Block 21 Owner LLC · 3 yrs held
Whpv Block 21 Owner LLC
since 2022
Last sale
$9.0M
7 recorded transactions
Zoning & alternative use
CH00C4 · 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
$8,175,000
ML approach
$8,100,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$8.57M
Range $7.71M – $9.43M · ±10% · vs last sale $9.00M (Jul 29 2022)
Last sale anchor
$9.00M
Jul 29 2022
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
$1,151 / 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
$107,076
Tax year 2024
Assessed value
$9,169,800
Assessed 2024
Previous assessed
$9,169,800
+0.0% YoY
Effective rate
1.17%
On assessed value
Assessed land
$9,169,800
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
Year built
1950
Heating
NONE
Stories
1
Total area
7,448 SF
Lot
0.19 ac (8,140 SF)
Zoning code
CH00C4
APN
034-185-150
UPID
US09-0163548
Jurisdiction
SAN MATEO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
CH00C4 · San Mateo, CA
Zoning CH00C4 · permitted uses
CH00C4 · 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
Year built
1950
Heating
NONE
Stories
1
Lot
0.19 ac
Current owner
From public records · entity-resolved
Whpv Block 21 Owner LLC
Entity
Mailing address
530 EMERSON ST #150, PALO ALTO, CA 94301-1607
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 29, 2022
$9,000,000
Whpv Block 21 Owner LLC
Bonroy Investments LLC
Grant Deed
$29,000,000 · Acore Capital Mortgage LP
Apr 29, 2021
—
Bonroy Investments LLC
—
Deed
related
$1,400,000 · Bank Of The Orient
Feb 19, 2020
—
Bonroy Investments LLC
Yip Family Trust
Quit Claim Deed
—
Jan 10, 2017
—
Yip Family Trust
Yip,zag W & Joann
Quit Claim Deed
related
—
Jun 30, 2010
$2,450,000
Yip,zag W & Joann
Canonizado Neria B Trust
Grant Deed
$1,500,000 · Wfb NA
Sep 14, 2006
$2,000,000
Canonizado Neria B Trust
Viviani Loving Trust
Grant Deed
$1,500,000 · Viviani Trust
Jan 24, 1995
—
Viviani Trust
Viviani,roland L & Peggy A
Quit Claim Deed
related
—
—
—
Neria B Canonizado
—
Deed Of Trust
related
$250,000 · Nerissa Canonizado
—
—
Zag W Yip
—
Loan Modification
related
$1,360,000 · Wells Fargo Bk
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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