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Property profile & analytics
OFF-MARKET
Estimated value
$47,190,000
Apartment buildings
3640 Edison St San Mateo, CA 94403-4483
Entity Owned
Free & Clear
Property ID
US09-5726836
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1950
Total area
93,853 SF
Lot
3.87 ac (168,662 SF)
APN
042-113-250
UPID
US09-5726836
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
$47.19M
CAP Approach
CAP
$32.59M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$47.19M
Owner & transaction history
ESSEX HILLSDALE GARDEN APARTMENTS · 2 yrs held
ESSEX HILLSDALE GARDEN APARTMENTS
since 2024
Last sale
$47.2M
1 recorded transaction
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Restaurant
$63.5M
+118.1%
Office building
$61.2M
+110.3%
Neighborhood: shopping center
$50.6M
+74.1%
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
$47,190,000
ML approach
$47,190,000
CAP Approach
CAP Return
Estimation
6%
$35,310,000
6.5%
$32,590,000
7%
$30,265,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$29,100,000
Current use
RESTAURANT
$63,460,000
Change: +118% · Conversion: Difficult
OFFICE BUILDING
$61,195,000
Change: +110% · Conversion: Moderate
NEIGHBORHOOD: SHOPPING CENTER
$50,645,000
Change: +74% · Conversion: Difficult
RETAIL STORES
$45,490,000
Change: +56% · Conversion: Difficult
COMMERCIAL (GENERAL)
$43,375,000
Change: +49% · Conversion: Moderate
AUTO REPAIR, GARAGE
$42,635,000
Change: +47% · Conversion: Difficult
WAREHOUSE, STORAGE
$35,915,000
Change: +23% · Conversion: Difficult
Blend value · Realmo final
$47.19M
Range $42.47M – $51.91M · ±10% · vs last sale $47.19M (Oct 18 2024)
Last sale anchor
$47.19M
Oct 18 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
$503 / 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
$440,110
Tax year 2024
Assessed value
$20,140,182
Assessed 2024
Previous assessed
$20,140,182
+0.0% YoY
Effective rate
2.19%
On assessed value
Assessed land
$15,753,046
Assessed improvement
$4,387,136
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1950
Heating
NONE
Stories
2
Units
109
Total area
93,853 SF
Lot
3.87 ac (168,662 SF)
APN
042-113-250
UPID
US09-5726836
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
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$29.1M
RESTAURANT
Est. value
$63.5M
OFFICE BUILDING
Est. value
$61.2M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$50.6M
RETAIL STORES
Est. value
$45.5M
COMMERCIAL (GENERAL)
Est. value
$43.4M
AUTO REPAIR, GARAGE
Est. value
$42.6M
WAREHOUSE, STORAGE
Est. value
$35.9M
APARTMENT HOUSE (5+ UNITS) Current
RESTAURANT
OFFICE BUILDING
NEIGHBORHOOD: SHOPPING CENTER
RETAIL STORES
COMMERCIAL (GENERAL)
AUTO REPAIR, GARAGE
WAREHOUSE, STORAGE
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
1950
Heating
NONE
Stories
2
Units
109
Lot
3.87 ac
Current owner
From public records · entity-resolved
ESSEX HILLSDALE GARDEN APARTMENTS
Individual
Free & Clear · 2 yrs held
Mailing address
PO BOX 4747, OAK BROOK, IL 60522-4747
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
1 recorded event · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 18, 2024
$47,192,000
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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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