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Property profile & analytics
OFF-MARKET
Estimated value
$5,775,000
Office buildings
3711 San Pablo Dm Rd El Sobrante, CA 94803-2819
Individually Owned
3-yr Hold
~
Est. High Equity
Property ID
US09-5134846
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1955
Total area
26,060 SF
Lot
1.99 ac (86,467 SF)
APN
420-021-047-6
UPID
US09-5134846
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
$7.52M
CAP Approach
CAP
$5.31M
Comparable Approach
Comparable
$5.77M
Blend (final)
Blend
$5.78M
Owner & transaction history
Center For Elder S Independence · 3 yrs held
Center For Elder S Independence
since 2022
Last sale
$6.0M
4 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Medical building
$9.5M
+46.9%
Commercial (general)
$7.4M
+14.3%
Auto repair, garage
$6.7M
+4.4%
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 Sobrante submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs El Sobrante 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
$7,495,000
ML approach
$7,515,000
CAP Approach
CAP Return
Estimation
6%
$5,745,000
6.5%
$5,305,000
7%
$4,925,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$6,445,000
Current use
MEDICAL BUILDING
$9,465,000
Change: +47% · Conversion: Easy
COMMERCIAL (GENERAL)
$7,370,000
Change: +14% · Conversion: Easy
AUTO REPAIR, GARAGE
$6,730,000
Change: +4% · Conversion: Difficult
APARTMENT HOUSE (5+ UNITS)
$6,280,000
Change: -3% · Conversion: Easy
Blend value · Realmo final
$5.78M
Range $5.20M – $6.35M · ±10% · vs last sale $6.02M (Dec 15 2022)
Last sale anchor
$6.02M
Dec 15 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
$222 / 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
$37,410
Tax year 2024
Assessed value
$8,767,130
Assessed 2024
Previous assessed
$8,767,130
+0.0% YoY
Effective rate
0.43%
On assessed value
Assessed land
$2,550,000
Assessed improvement
$6,217,130
Applied tax rate
85.0000
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
Status
Off-Market
Year built
1955
Heating
NONE
Buildings
4
Stories
1
Units
3
Total area
26,060 SF
Lot
1.99 ac (86,467 SF)
APN
420-021-047-6
UPID
US09-5134846
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
OFFICE BUILDING Current
Est. value
$6.4M
MEDICAL BUILDING
Est. value
$9.5M
COMMERCIAL (GENERAL)
Est. value
$7.4M
AUTO REPAIR, GARAGE
Est. value
$6.7M
APARTMENT HOUSE (5+ UNITS)
Est. value
$6.3M
OFFICE BUILDING Current
MEDICAL BUILDING
COMMERCIAL (GENERAL)
AUTO REPAIR, GARAGE
APARTMENT HOUSE (5+ UNITS)
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
1955
Heating
NONE
Stories
1
Buildings
4
Units
3
Lot
1.99 ac
Current owner
From public records · entity-resolved
Center For Elder S Independence
Individual
Mailing address
510 17TH ST, OAKLAND, CA 94612-1553
Mailing matches property
Yes
Owner-occupied
Yes
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
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 15, 2022
$6,015,000
Center For Elder S Independence
Dae Joon Choe
Grant Deed
—
Feb 2, 2022
—
Funkitowaear INC
Joan Choe Dac
Lease
$1,327,000 · The Mortgage Capital Development Corp
Dec 29, 2021
$3,225,000
Dae Joon Choe
Level III Properties LLC
Grant Deed
$1,290,000 · Bank Of The Orient
Oct 21, 2014
—
Contra Costa County
Level III Properties LLC
Grant Deed
—
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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