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Property profile & analytics
OFF-MARKET
Estimated value
$1,220,000
Apartment buildings
3213 Santa Clara Ave El Cerrito, CA 94530-3496
Individually Owned
5-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-0244166
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1972
Total area
5,547 SF
Lot
0.17 ac (7,425 SF)
APN
510-021-025-0
UPID
US09-0244166
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
$1.20M
CAP Approach
CAP
$1.24M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.22M
Owner & transaction history
Robert Koyama · 5 yrs held
Robert Koyama
since 2020
Last sale
$1.3M
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Medical building
$2.0M
+34.3%
Commercial (general)
$1.6M
+4.6%
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 El Cerrito submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs El Cerrito 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
$1,175,000
ML approach
$1,200,000
CAP Approach
CAP Return
Estimation
6%
$1,340,000
6.5%
$1,235,000
7%
$1,150,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$1,500,000
Current use
MEDICAL BUILDING
$2,015,000
Change: +34% · Conversion: Moderate
COMMERCIAL (GENERAL)
$1,570,000
Change: +5% · Conversion: Moderate
AUTO REPAIR, GARAGE
$1,430,000
Change: -5% · Conversion: Difficult
OFFICE BUILDING
$1,370,000
Change: -9% · Conversion: Moderate
Blend value · Realmo final
$1.22M
Range $1.10M – $1.34M · ±10% · vs last sale $1.25M (Dec 31 2020)
Last sale anchor
$1.25M
Dec 31 2020
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
$220 / 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
$26,668
Tax year 2024
Assessed value
$1,787,844
Assessed 2024
Previous assessed
$1,787,844
+0.0% YoY
Effective rate
1.49%
On assessed value
Assessed land
$1,016,870
Assessed improvement
$770,974
Applied tax rate
3.0000
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
1972
Heating
NONE
Stories
1
Units
6
Rooms
6
Total area
5,547 SF
Lot
0.17 ac (7,425 SF)
APN
510-021-025-0
UPID
US09-0244166
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, 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
$1.5M
MEDICAL BUILDING
Est. value
$2.0M
COMMERCIAL (GENERAL)
Est. value
$1.6M
AUTO REPAIR, GARAGE
Est. value
$1.4M
OFFICE BUILDING
Est. value
$1.4M
APARTMENT HOUSE (5+ UNITS) Current
MEDICAL BUILDING
COMMERCIAL (GENERAL)
AUTO REPAIR, GARAGE
OFFICE BUILDING
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
1972
Heating
NONE
Stories
1
Units
6
Rooms
6
Lot
0.17 ac
Current owner
From public records · entity-resolved
Robert Koyama
Individual
Free & Clear · 5 yrs held
Mailing address
12520 BROOKPARK RD, OAKLAND, CA 94619-3133
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2020
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
11 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 31, 2020
$1,120,000
Robert Koyama
Carol Koyama
Grant Deed
related
—
Dec 30, 2019
—
Carol Koyama
Koyama Kikue M Trust
Quit Claim Deed
related
—
Sep 24, 2019
—
Koyama,ben T Survivors Trust
Endo,marian
Affidavit Of Death
related
—
Mar 4, 2016
—
Koyoma,kikue M Trust
Koyoma,ben T
Affidavit Of Death
related
—
Jun 20, 2007
—
Koyama Kikue M Trust
Koyama Trust
Quit Claim Deed
related
—
Mar 20, 2007
—
Ben T Koyama
Koyama,kikue M
Affidavit Of Death
related
—
Jun 19, 2006
—
Koyama Trust
Koyama,ben T & Kikue M
Quit Claim Deed
related
—
Jun 16, 2006
$1,250,000
Ben T Koyama
Krupet LLC
Grant Deed
$250,000 · Washington Mutual Bank
Dec 9, 2004
—
Krupet LLC
Peterson Trust
Quit Claim Deed
related
—
Aug 8, 2003
$550,000
Peterson,tr
Bokums,jolanta
Grant Deed
—
Dec 11, 1979
$137,000
—
—
Grant 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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