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Property profile & analytics
OFF-MARKET
Estimated value
$835,000
Office buildings
621 Spain St Sonoma, CA 95476-5920
Entity Owned
11-yr Hold
Free & Clear
Property ID
US09-2433497
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1995
Construction
WOOD
Total area
3,050 SF
Lot
0.3 ac (12,900 SF)
Zoning code
CO
APN
127-221-031-000
UPID
US09-2433497
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
$705k
Comparable Approach
Comparable
$824k
Blend (final)
Blend
$835k
Owner & transaction history
Sonoma Cat LLC · 11 yrs held
Sonoma Cat LLC
since 2015
4 recorded transactions
Zoning & alternative use
CO · Sonoma, CA
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 Sonoma submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Sonoma 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%
$765,000
6.5%
$705,000
7%
$655,000
Blend value · Realmo final
$835k
Range $752k – $919k · ±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
$274 / 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
$13,464
Tax year 2024
Assessed value
$1,025,099
Assessed 2024
Previous assessed
$1,025,099
+0.0% YoY
Effective rate
1.31%
On assessed value
Assessed land
$435,961
Assessed improvement
$589,138
Applied tax rate
6.0000
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
1995
Construction
WOOD
Heating
NONE
Stories
1
Total area
3,050 SF
Lot
0.3 ac (12,900 SF)
Zoning code
CO
APN
127-221-031-000
UPID
US09-2433497
Jurisdiction
SONOMA
Zoning & alternative use
CO · Sonoma, CA
Zoning CO · permitted uses
CO · Sonoma, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Sonoma. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1995
Construction
WOOD
Heating
NONE
Stories
1
Lot
0.3 ac
Current owner
From public records · entity-resolved
Sonoma Cat LLC
Entity
Free & Clear · 11 yrs held
Mailing address
621 W SPAIN ST, SONOMA, CA 95476-5920
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
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 12, 2015
$870,000
Sonoma Cat LLC
Cordellos Family Trust
Grant Deed
—
Oct 21, 2014
—
Cordellos Real Estate LP
Cordellos Edythe Trust
Quit Claim Deed
related
—
Nov 22, 2010
—
Cordellos Real Estate LP
Cordellos Edythe Trust
Quit Claim Deed
related
—
Aug 18, 1997
$400,000
Cordellos Trust
Mcdaniel Trust
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.
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