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Property profile & analytics
FOR SALE
Office Spaces
737 Southpoint Blvd Petaluma, CA 94954
Individually Owned
Absentee Owner
Free & Clear
Property ID
US09-0430197
For Sale
1 / 34
$495,000
737 Southpoint Blvd, Petaluma, CA 94954
View Listing →
Property profile
Verified
Property type
Office Spaces
Use group
CONDOMINIUM OFFICES
Year built
1999
Total area
2,220 SF
Lot
0.05 ac (2,178 SF)
APN
007-401-061-000
UPID
US09-0430197
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
-
Alpha Analytical Laboratories, Inc. Laboratory
-
Mary Brusco Loan Service Bank
-
First Service Gym & Fitness Center (Bike/Boat/Book/etc) Store
-
Rudolph Inc Bank Credit Union
-
WindsorONE Building Supply Industrial Manufacturer
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
William C Barnett
William C Barnett
since 2025
5 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 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
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
$4,421
Tax year 2024
Assessed value
$390,584
Assessed 2024
Previous assessed
$390,584
+0.0% YoY
Effective rate
1.13%
On assessed value
Assessed land
$96,140
Assessed improvement
$294,444
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 Spaces
Use group
CONDOMINIUM OFFICES
Status
For Sale
Year built
1999
Heating
CENTRAL
Cooling
CENTRAL
Stories
1
Total area
2,220 SF
Lot
0.05 ac (2,178 SF)
APN
007-401-061-000
UPID
US09-0430197
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
Building & site characteristics
From public records
Year built
1999
Heating
CENTRAL
Cooling
Yes
Stories
1
Lot
0.05 ac
Current owner
From public records · entity-resolved
William C Barnett
Individual
Free & Clear · 0 yrs held
Mailing address
1400 N DUTTON AVE STE #15, SANTA ROSA, CA 95401-7120
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 5, 2025
—
William C Barnett
Blue Oak Mortgage Corporation
Grant Deed
—
Feb 26, 2014
—
Blue Oak Mortgage Corp
1400 N Dutton 15 LLC
Grant Deed
—
Sep 11, 2013
$325,000
1400 N Dutton No 15 LLC
Rieger,robert J
Grant Deed
—
Sep 11, 2013
—
Robert J Rieger
Rieger,ruthann
Affidavit Of Death
related
—
Apr 3, 2009
$400,000
Robert J Rieger
Southpoint Business Center 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.
Try Rey
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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