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Property profile & analytics
OFF-MARKET
Estimated value
$900,000
Office buildings
3503 Mt Diablo Blvd Lafayette, CA 94549-3848
Entity Owned
11-yr Hold
~
Est. High Equity
Property ID
US10-2996488
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1961
Construction
WOOD FRAME
Total area
3,490 SF
Lot
0.19 ac (8,276 SF)
Zoning code
RB
APN
243-221-012-4
UPID
US10-2996488
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
by Request
CAP Approach
CAP
$1.04M
Comparable Approach
Comparable
$731k
Blend (final)
Blend
$900k
Owner & transaction history
Dudum Properties LLC · 11 yrs held
Dudum Properties LLC
since 2015
7 recorded transactions
Zoning & alternative use
RB · Lafayette, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Medical building
$1.3M
+5.7%
Commercial (general)
$1.2M
+1.3%
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 Lafayette submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Lafayette 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
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$1,120,000
6.5%
$1,035,000
7%
$960,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,200,000
Current use
MEDICAL BUILDING
$1,270,000
Change: +6% · Conversion: Easy
COMMERCIAL (GENERAL)
$1,215,000
Change: +1% · Conversion: Easy
Blend value · Realmo final
$900k
Range $810k – $990k · ±10%
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
$258 / 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
$16,741
Tax year 2024
Assessed value
$1,298,238
Assessed 2024
Previous assessed
$1,298,238
+0.0% YoY
Effective rate
1.29%
On assessed value
Assessed land
$565,483
Assessed improvement
$732,755
Applied tax rate
14.0000
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
1961
Construction
WOOD FRAME
Heating
NONE
Stories
1
Units
6
Rooms
6
Total area
3,490 SF
Lot
0.19 ac (8,276 SF)
Zoning code
RB
APN
243-221-012-4
UPID
US10-2996488
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
RB · Lafayette, CA
Zoning RB · permitted uses
RB · Lafayette, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Lafayette. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$1.2M
MEDICAL BUILDING
Est. value
$1.3M
COMMERCIAL (GENERAL)
Est. value
$1.2M
OFFICE BUILDING Current
MEDICAL BUILDING
COMMERCIAL (GENERAL)
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
1961
Construction
WOOD FRAME
Heating
NONE
Stories
1
Units
6
Rooms
6
Lot
0.19 ac
Current owner
From public records · entity-resolved
Dudum Properties LLC
Entity
Mailing address
3503 MT DIABLO BLVD, LAFAYETTE, CA 94549-3848
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2015
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 17, 2015
—
Dudum Properties LLC
Dudum Properties
Quit Claim Deed
related
—
Jun 21, 2005
—
Dudum Properties
Owner Name Unavailable
Dual Purpose Document
related
$512,500 · Greater Bay Bank
Mar 18, 2005
—
Dudum Properties LLC
Dudum,james J & Denise M
Quit Claim Deed
—
Sep 1, 2004
$950,000
James J Dudum
Levey,david & Melodye
Grant Deed
—
Aug 31, 1999
$610,000
David Levey
Martin Trust
Grant Deed
$457,500 · Westamerica Bank
Oct 10, 1984
—
Owner Name Unavailable
—
Grant Deed
related
—
Dec 21, 1983
—
Owner Name Unavailable
—
Grant Deed
related
—
—
—
David Levey
—
Deed Of Trust
related
$691,413 · Individual
—
—
Levey,tr
—
Deed Of Trust
related
$427,000 · Michael C Stead
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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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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