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Property profile & analytics
OFF-MARKET
Estimated value
$570,000
Office buildings
824 Mendocino Ave Santa Rosa, CA 95401-4806
Individually Owned
Free & Clear
Property ID
US09-2391566
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1924
Construction
WOOD
Total area
3,033 SF
Lot
0.25 ac (11,000 SF)
APN
180-710-015-000
UPID
US09-2391566
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
-
lisamarie skin care Medical Clinic Skin Care Clinic
-
Fitzgerald Anne Marie CPA Tax Preparation
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$705k
Comparable Approach
Comparable
$379k
Blend (final)
Blend
$570k
Owner & transaction history
Susan Campbell
Susan Campbell
since 2026
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$875,000
+20.5%
Retail stores
$845,000
+16.2%
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 Santa Rosa submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Santa Rosa 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%
$760,000
6.5%
$705,000
7%
$655,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$725,000
Current use
AUTO REPAIR, GARAGE
$875,000
Change: +21% · Conversion: Difficult
RETAIL STORES
$845,000
Change: +16% · Conversion: Moderate
COMMERCIAL (GENERAL)
$690,000
Change: -5% · Conversion: Easy
WAREHOUSE, STORAGE
$650,000
Change: -10% · Conversion: Difficult
Blend value · Realmo final
$570k
Range $513k – $627k · ±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
$188 / 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
$9,465
Tax year 2024
Assessed value
$814,765
Assessed 2024
Previous assessed
$814,765
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$202,324
Assessed improvement
$612,441
Applied tax rate
4.0000
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
1924
Construction
WOOD
Heating
CENTRAL
Cooling
YES
Stories
2
Total area
3,033 SF
Lot
0.25 ac (11,000 SF)
APN
180-710-015-000
UPID
US09-2391566
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
$725,000
AUTO REPAIR, GARAGE
Est. value
$875,000
RETAIL STORES
Est. value
$845,000
COMMERCIAL (GENERAL)
Est. value
$690,000
WAREHOUSE, STORAGE
Est. value
$650,000
OFFICE BUILDING Current
AUTO REPAIR, GARAGE
RETAIL STORES
COMMERCIAL (GENERAL)
WAREHOUSE, STORAGE
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
1924
Construction
WOOD
Heating
CENTRAL
Cooling
Yes
Stories
2
Lot
0.25 ac
Current owner
From public records · entity-resolved
Susan Campbell
Individual
Free & Clear · 0 yrs held
Mailing address
824 MENDOCINO AVE200A, SANTA ROSA, CA 95401-4806
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2026
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
15 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 30, 2026
$954,670
Susan Campbell
824 Mendocino Ave LLC
Trust Deed
related
—
Aug 2, 2023
—
Peter Kerston
824 Mendocino Ave LLC
Grant Deed
$248,550 · Rosalinda Wilbor
Mar 28, 2023
—
Peter Kerston
Peter Kerston
Intrafamily Transfer
related
—
May 13, 2022
—
824 Mendocino Ave LLC
824 Mendocino Ave LLC
Intrafamily Transfer
related
$835,000 · Susan Campbell
Apr 25, 2022
—
824 Mendocino LLC
—
Deed
related
$537,500 · Norbert Gail Allen Living Trust
Sep 3, 2021
$925,000
824 Mendocino LLC
John Allen
Grant Deed
$537,500 · Norbert Gail Allen Living Trust
Sep 3, 2021
—
John Allen
John Douglas Allen
Intrafamily Transfer
related
$537,500 · Norbert Gail Allen Living Trust
Jul 1, 2021
—
N Gail Allen
N Gail Allen
Affidavit Of Death Of Joint Tenant
related
—
Aug 31, 2018
—
John D Allen
Allen Norbert G Living Trust
Quit Claim Deed
related
—
Aug 24, 2018
—
Allen,norbert G Living Trust
Allen,norbert G
Quit Claim Deed
related
—
Dec 22, 1993
—
Kenneth A Rusch
Safford,marie C
Quit Claim Deed
related
—
Dec 22, 1993
$365,000
Allen,n G & Susan
Rusch,kenneth A
Trustees Deed
—
Aug 28, 1990
$500
Kenneth A Rusch
Commercial Pacif
Grant Deed
related
—
Mar 13, 1989
$71,000
Rickard,cathryn
Waltenspiel,klay
Trustees Deed
related
—
—
—
Cathryn Rickard
—
Deed Of Trust
related
$71,000 · Waltenspiel Gord
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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