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Property profile & analytics
OFF-MARKET
Estimated value
$1,700,000
Industrial properties
640 Martin Ave Rohnert Park, CA 94928-7993
Trust Owned
19-yr Hold
Property ID
US10-3136708
Property profile
Verified
Property type
Industrial properties
Use group
CONDOMINIUMS (INDUSTRIAL)
Year built
1990
Construction
WOOD
Total area
8,668 SF
Lot
0.2 ac (8,799 SF)
APN
143-930-070-000
UPID
US10-3136708
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
$1.97M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.70M
Owner & transaction history
Luber Donald A & Susan C Trust · 19 yrs held
Luber Donald A & Susan C Trust
since 2006
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 Rohnert Park submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Rohnert Park 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%
$2,130,000
6.5%
$1,965,000
7%
$1,825,000
Alternative Use
Use
Estimation
INDUSTRIAL (GENERAL)
$2,805,000
Current use
AUTO REPAIR, GARAGE
$2,740,000
Change: -2% · Conversion: Easy
Blend value · Realmo final
$1.70M
Range $1.53M – $1.87M · ±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
$196 / 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
$14,956
Tax year 2024
Assessed value
$1,299,588
Assessed 2024
Previous assessed
$1,299,588
+0.0% YoY
Effective rate
1.15%
On assessed value
Assessed land
$388,535
Assessed improvement
$911,053
Applied tax rate
7.0000
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
Industrial properties
Use group
CONDOMINIUMS (INDUSTRIAL)
Status
Off-Market
Year built
1990
Construction
WOOD
Heating
NONE
Stories
1
Total area
8,668 SF
Lot
0.2 ac (8,799 SF)
APN
143-930-070-000
UPID
US10-3136708
Jurisdiction
SONOMA
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
INDUSTRIAL (GENERAL) Current
Est. value
$2.8M
AUTO REPAIR, GARAGE
Est. value
$2.7M
INDUSTRIAL (GENERAL) Current
AUTO REPAIR, GARAGE
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
1990
Construction
WOOD
Heating
NONE
Stories
1
Lot
0.2 ac
Current owner
From public records · entity-resolved
Luber Donald A & Susan C Trust
Trust
Mailing address
640 MARTIN AVE, ROHNERT PARK, CA 94928-7993
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2006
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 27, 2006
—
Luber Donald A & Susan C Trust
Luber,donald A & Susan C
Quit Claim Deed
related
—
Jul 15, 2005
$970,000
Donald A Luber
Kellert D & L R Trust
Grant Deed
$485,000 · Greater Bay Bank
Jul 23, 1999
—
Kellert Trust
Kellert,david S & Rebecca V
Quit Claim Deed
related
—
Mar 16, 1998
$433,500
David S Kellert
Nase,werner
Grant Deed
$219,000 · Bank Of America Community Dev
Jan 4, 1994
—
Werner Nase
Nase,madeleine
Quit Claim Deed
related
$273,000 · Codding Bank
—
—
David S Kellert
—
Deed Of Trust
related
$180,000 · Bay Area Emp Development
—
—
Luber Donald A & S C Trust
—
Deed Of Trust
related
$380,000 · Summit State Bank
—
—
Werner Nase
—
Deed Of Trust
related
$300,000 · Northbay Savings Bank
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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