New search
Property profile & analytics
OFF-MARKET
Estimated value
$515,000
Retail space
18175 Hwy 12 Sonoma, CA 95476-3639
Individually Owned
8-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-1754166
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1948
Construction
WOOD
Total area
1,812 SF
Lot
0.08 ac (3,670 SF)
APN
056-411-015-000
UPID
US09-1754166
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
$335k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$597k
Blend (final)
Blend
$515k
Owner & transaction history
Roberto Y Mendoza · 8 yrs held
Roberto Y Mendoza
since 2018
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Office building
$835,000
+36.9%
Medical building
$665,000
+9.5%
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
$335,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
RETAIL STORES
$610,000
Current use
OFFICE BUILDING
$835,000
Change: +37% · Conversion: Easy
MEDICAL BUILDING
$665,000
Change: +9% · Conversion: Difficult
AUTO REPAIR, GARAGE
$575,000
Change: -6% · Conversion: Difficult
Blend value · Realmo final
$515k
Range $464k – $567k · ±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
$284 / 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
$9,914
Tax year 2024
Assessed value
$725,084
Assessed 2024
Previous assessed
$725,084
+0.0% YoY
Effective rate
1.37%
On assessed value
Assessed land
$390,430
Assessed improvement
$334,654
Applied tax rate
158.0000
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
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
Off-Market
Year built
1948
Construction
WOOD
Heating
NONE
Cooling
YES
Stories
1
Total area
1,812 SF
Lot
0.08 ac (3,670 SF)
APN
056-411-015-000
UPID
US09-1754166
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
RETAIL STORES Current
Est. value
$610,000
OFFICE BUILDING
Est. value
$835,000
MEDICAL BUILDING
Est. value
$665,000
AUTO REPAIR, GARAGE
Est. value
$575,000
RETAIL STORES Current
OFFICE BUILDING
MEDICAL BUILDING
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
1948
Construction
WOOD
Heating
NONE
Cooling
Yes
Stories
1
Lot
0.08 ac
Current owner
From public records · entity-resolved
Roberto Y Mendoza
Individual
Mailing address
18360 ARNOLD DR, SONOMA, CA 95476-4027
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2018
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 15, 2018
$650,000
Roberto Y Mendoza
Cooper,alvin W
Grant Deed
$605,500 · Rabobank
Oct 16, 2007
—
Alvin W Cooper
Owner,record
Grant Deed
related
—
May 28, 2004
$417,000
Alvin W Cooper
Spellman,tr
Grant Deed
$291,900 · Sonoma National Bank
May 28, 2004
—
Alvin W Cooper
Cooper,jill
Quit Claim Deed
related
—
Jun 8, 1995
—
Spellman Trust
Spellman,stephen
Quit Claim Deed
related
—
Mar 23, 1990
$20,000
Stephen Spellman
Sholseth,thomas
Grant Deed
related
—
Sep 15, 1989
$200,000
Thomas Sholseth
Hansen,carl D
Grant Deed
$180,000
—
—
Spellman Trust
—
Deed Of Trust
related
$70,000 · Wells Fargo Bank
—
—
Spellman Trust
—
Deed Of Trust
related
$93,000 · Wells Fargo 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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
You own 18175 Hwy 12?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
