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Property profile & analytics
OFF-MARKET
Estimated value
$1,175,000
Office buildings
628 Washington St Petaluma, CA 94952-5932
Trust Owned
12-yr Hold
Free & Clear
Property ID
US09-0392038
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1977
Construction
WOOD
Total area
5,016 SF
Lot
0.27 ac (11,761 SF)
APN
007-062-043-000
UPID
US09-0392038
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
Current use
Occupant on record · Public records
-
PURE Property Management of California Property Management Company
-
Mungle & Associates Accounting Firm Tax Preparation
-
North Bay Veterinary Dentistry Veterinary Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.16M
Comparable Approach
Comparable
$1.45M
Blend (final)
Blend
$1.18M
Owner & transaction history
Davison,kerry M Trust · 12 yrs held
Davison,kerry M Trust
since 2014
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$1.9M
+35.3%
Medical building
$1.8M
+28.9%
Auto repair, garage
$1.6M
+10.9%
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 Petaluma submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Petaluma 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%
$1,260,000
6.5%
$1,160,000
7%
$1,080,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,430,000
Current use
COMMERCIAL (GENERAL)
$1,935,000
Change: +35% · Conversion: Easy
MEDICAL BUILDING
$1,845,000
Change: +29% · Conversion: Easy
AUTO REPAIR, GARAGE
$1,585,000
Change: +11% · Conversion: Difficult
RETAIL STORES
$1,470,000
Change: +3% · Conversion: Moderate
INDUSTRIAL (GENERAL)
$1,400,000
Change: -2% · Conversion: Difficult
Blend value · Realmo final
$1.18M
Range $1.06M – $1.29M · ±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
$234 / 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
$12,434
Tax year 2024
Assessed value
$1,138,794
Assessed 2024
Previous assessed
$1,138,794
+0.0% YoY
Effective rate
1.09%
On assessed value
Assessed land
$296,313
Assessed improvement
$842,481
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1977
Construction
WOOD
Heating
CENTRAL
Cooling
YES
Stories
1
Total area
5,016 SF
Lot
0.27 ac (11,761 SF)
APN
007-062-043-000
UPID
US09-0392038
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
OFFICE BUILDING Current
Est. value
$1.4M
COMMERCIAL (GENERAL)
Est. value
$1.9M
MEDICAL BUILDING
Est. value
$1.8M
AUTO REPAIR, GARAGE
Est. value
$1.6M
RETAIL STORES
Est. value
$1.5M
INDUSTRIAL (GENERAL)
Est. value
$1.4M
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
MEDICAL BUILDING
AUTO REPAIR, GARAGE
RETAIL STORES
INDUSTRIAL (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
1977
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
1
Lot
0.27 ac
Current owner
From public records · entity-resolved
Davison,kerry M Trust
Trust
Free & Clear · 12 yrs held
Mailing address
628 E WASHINGTON ST STE C, PETALUMA, CA 94952-5933
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2014
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 15, 2014
$597,000
Davison,kerry M Trust
Mahoney John H Trust
Grant Deed
—
May 14, 2013
—
Mahoney,john H 1991 Trust
Mahoney John H Trust
Quit Claim Deed
related
—
Aug 6, 2008
—
Davision Kerry M Trust
Davison,kerry M
Quit Claim Deed
related
—
Aug 6, 2008
$250,000
Mahoney Kerry Trust
Mahoney,alan
Grant Deed
—
Jun 28, 2007
—
Kerry M Davison
Mahoney Investments II LLC
Grant Deed
—
Sep 15, 2000
$283,000
Mahoney Investments 11 LLC
Ditto Trust
Grant Deed
related
—
Mar 31, 2000
$710,000
Lanterman Trust
Salvation Army
Grant Deed
$497,000 · Metro Commerce Bank NA
Aug 6, 1993
—
Peter Michael
Tri Equities INC
Quit Claim Deed
related
—
Aug 6, 1993
$675,000
Salvation Army
Michael,peter
Trustees Deed
—
Apr 23, 1990
$182,500
Independent,exch
Tri Equities INC
Trustees Deed
$60,144 · Tri Equities INC
Apr 18, 1990
$600,000
Tri Equities INC
Gustfson,brother
Grant Deed
related
$208,000 · Seller
—
—
Tri Equities INC
—
Deed Of Trust
related
$332,500 · Bay View Federal Bank
—
—
Tri Equities INC
—
Deed Of Trust
related
$500,000 · Pacific National Bank
—
—
Peter Michael
—
Deed Of Trust
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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