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Property profile & analytics
OFF-MARKET
Estimated value
$6,330,000
Office buildings
427 Mendocino Ave Santa Rosa, CA 95401-5391
Entity Owned
9-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-5726122
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Year built
1975
Construction
TILT-UP CONCRETE
Total area
57,670 SF
Lot
0.7 ac (30,302 SF)
APN
010-045-027-000
UPID
US09-5726122
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
-
Sonoma County Gutters Hardware & Home Improvement General Contractor
-
Restorative Resources Social Service Agency Charitable Organization
-
Petaluma 360 Marketing & Advertising Advertising Agency
-
Setareh Law, APLC Personal Injury & Accident Lawyers Law Firm
-
Moreno's Business Services Accounting Firm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$8.38M
Blend (final)
Blend
$6.33M
Owner & transaction history
Cpsa-mendocino LLC · 9 yrs held
Cpsa-mendocino LLC
since 2016
7 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 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%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$6.33M
Range $5.70M – $6.96M · ±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
$110 / 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
$72,240
Tax year 2024
Assessed value
$5,612,524
Assessed 2024
Previous assessed
$5,612,524
+0.0% YoY
Effective rate
1.29%
On assessed value
Assessed land
$985,493
Assessed improvement
$4,627,031
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 (MULTI-STORY)
Status
Off-Market
Year built
1975
Construction
TILT-UP CONCRETE
Heating
CENTRAL
Stories
2
Total area
57,670 SF
Lot
0.7 ac (30,302 SF)
APN
010-045-027-000
UPID
US09-5726122
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
1975
Construction
TILT-UP CONCRETE
Heating
CENTRAL
Stories
2
Lot
0.7 ac
Current owner
From public records · entity-resolved
Cpsa-mendocino LLC
Entity
Free & Clear · 9 yrs held
Mailing address
1435 N MCDOWELL BLVD STE #110, PETALUMA, CA 94954-6548
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2016
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
11 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 22, 2016
—
Cpsa-mendocino LLC
Cornerstone Props II S LLC
Grant Deed
related
—
Apr 15, 2014
$213,454
Cornerstone Properties II S Ll
Rps Mendocino Avenue Santa Ros
Trustees Deed
$2,000,000 · Cornerstone Properties Sa
Jan 12, 2012
—
Rps Mendocino Avenue Santa Ros
New York Times Co
Quit Claim Deed
related
—
Jan 12, 2012
$4,800,000
Rps Mendocino Avenue Santa Ros
Nyt Management Services INC
Grant Deed
$74,200,000 · Lbc Credit Ptrs II
—
—
Cornerstone Properties II S
—
Deed Of Trust
related
$715,000 · Private Individual
—
—
Cornerstone Properties II S
—
Deed Of Trust
related
$660,000 · Private Individual
—
—
Cornerstone Properties II S
—
Deed Of Trust
related
$750,000 · Private Individual
—
—
Cornerstone Properties Sa LLC
—
Deed Of Trust
related
$660,000 · Steve Kaufman
—
—
Cornerstone Properties Sa LLC
—
Deed Of Trust
related
$715,000 · Steve Kaufman
—
—
Cornerstone Properties Sa LLC
—
Deed Of Trust
related
$750,000 · Steve Kaufman
—
—
Rps Mendocino Avenue Santa Ros
—
Loan Modification
related
$99,200,000 · Lbc Credit Ptrs II
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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