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Property profile & analytics
OFF-MARKET
Estimated value
$6,490,000
Manufacturing properties
777 Arnold Dr Martinez, CA 94553-3633
Trust Owned
11-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-0237242
Property profile
Verified
Property type
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Year built
1984
Total area
69,785 SF
Lot
4.49 ac (195,584 SF)
APN
377-150-013-3
UPID
US09-0237242
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
by Request
Comparable Approach
Comparable
$7.05M
Blend (final)
Blend
$6.49M
Owner & transaction history
Serb,andrew & J Family Trust · 11 yrs held
Serb,andrew & J Family Trust
since 2015
7 recorded transactions
Zoning & alternative use
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 Martinez submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Martinez 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%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$6.49M
Range $5.84M – $7.14M · ±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
$93 / 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
$69,709
Tax year 2024
Assessed value
$5,398,220
Assessed 2024
Previous assessed
$5,398,220
+0.0% YoY
Effective rate
1.29%
On assessed value
Assessed land
$1,802,737
Assessed improvement
$3,595,483
Applied tax rate
5.0000
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
Manufacturing properties
Use group
MANUFACTURING (LIGHT)
Status
Off-Market
Year built
1984
Heating
NONE
Stories
1
Total area
69,785 SF
Lot
4.49 ac (195,584 SF)
APN
377-150-013-3
UPID
US09-0237242
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
Building & site characteristics
From public records
Year built
1984
Heating
NONE
Stories
1
Lot
4.49 ac
Current owner
From public records · entity-resolved
Serb,andrew & J Family Trust
Trust
Mailing address
1001 BEAR CRK RD, BRIONES, CA 94553-9670
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
12 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 9, 2018
—
Andrew C Serb
—
Deed
related
$4,400,000 · Scott Valley Bank
Sep 27, 2016
—
Andrew C Serb
—
Deed
related
$1,000,000 · Scott Valley Bank
Mar 26, 2015
—
Serb,andrew & J Family Trust
Serb Andrew & Janet
Quit Claim Deed
related
—
Dec 30, 2013
$4,456,500
Andrew Serb
Five Star Bk
Grant Deed
$3,342,240 · Scott Valley Bank
Jan 26, 2010
$7,589,008
Five Star Bk
Fidelity National Title Co
Trustees Deed
related
—
Jul 26, 2005
$10,900,000
David W White
777 Arnold LLC
Grant Deed
$7,481,250 · Five Star Bank
Sep 15, 2003
$148,500
777 Arnold LLC
Mt Diablo Tech LLC
Grant Deed
—
Mar 4, 1999
—
Mt Diablo Tech LLC
—
Grant Deed
related
$1,250,000 · Bank Of Alameda
Apr 16, 1998
—
Mt Diablo Tech LLC
Allmerca Finance Life Ins
Grant Deed
related
—
Oct 13, 1994
$3,500,000
Sma Life Assurance Co
E W W Co
Trustees Deed
—
Jun 25, 1985
$2,279,500
E W W Co
Knowles,genevieve
Grant Deed
related
—
—
—
Mt Diablo Tech LLC
—
Deed Of Trust
related
$5,800,000 · Cb Richard Ellis Investors
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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