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Property profile & analytics
OFF-MARKET
Estimated value
$2,425,000
Warehouses
5701 Old Redwood Hwy Penngrove, CA 94951-8676
Individually Owned
4-yr Hold
~
Est. High Equity
Property ID
US09-2386449
Property profile
Verified
Property type
Warehouses
Use group
WAREHOUSE, STORAGE
Year built
1919
Construction
TILT-UP CONCRETE
Total area
8,291 SF
Lot
1.01 ac (43,995 SF)
APN
047-152-011-000
UPID
US09-2386449
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
$2.59M
CAP Approach
CAP
$2.29M
Comparable Approach
Comparable
$2.90M
Blend (final)
Blend
$2.43M
Owner & transaction history
James Brian Madden · 4 yrs held
James Brian Madden
since 2022
Last sale
$2.4M
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Restaurant
$4.0M
+141.1%
Commercial (general)
$3.2M
+92.2%
Medical building
$3.0M
+83.2%
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 Penngrove submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Penngrove 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
$2,460,000
ML approach
$2,590,000
CAP Approach
CAP Return
Estimation
6%
$2,475,000
6.5%
$2,285,000
7%
$2,120,000
Alternative Use
Use
Estimation
WAREHOUSE, STORAGE
$1,665,000
Current use
RESTAURANT
$4,010,000
Change: +141% · Conversion: Difficult
COMMERCIAL (GENERAL)
$3,195,000
Change: +92% · Conversion: Difficult
MEDICAL BUILDING
$3,045,000
Change: +83% · Conversion: Difficult
RETAIL STORES
$2,780,000
Change: +67% · Conversion: Moderate
OFFICE BUILDING
$2,730,000
Change: +64% · Conversion: Difficult
INDUSTRIAL (GENERAL)
$2,685,000
Change: +61% · Conversion: Easy
Blend value · Realmo final
$2.43M
Range $2.18M – $2.67M · ±10% · vs last sale $2.40M (Mar 24 2022)
Last sale anchor
$2.40M
Mar 24 2022
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
$292 / 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
$27,828
Tax year 2024
Assessed value
$2,184,840
Assessed 2024
Previous assessed
$2,184,840
+0.0% YoY
Effective rate
1.27%
On assessed value
Assessed land
$936,360
Assessed improvement
$1,248,480
Applied tax rate
138.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
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
Warehouses
Use group
WAREHOUSE, STORAGE
Status
Off-Market
Year built
1919
Construction
TILT-UP CONCRETE
Heating
CENTRAL
Cooling
YES
Stories
1
Total area
8,291 SF
Lot
1.01 ac (43,995 SF)
APN
047-152-011-000
UPID
US09-2386449
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
WAREHOUSE, STORAGE Current
Est. value
$1.7M
RESTAURANT
Est. value
$4.0M
COMMERCIAL (GENERAL)
Est. value
$3.2M
MEDICAL BUILDING
Est. value
$3.0M
RETAIL STORES
Est. value
$2.8M
OFFICE BUILDING
Est. value
$2.7M
INDUSTRIAL (GENERAL)
Est. value
$2.7M
WAREHOUSE, STORAGE Current
RESTAURANT
COMMERCIAL (GENERAL)
MEDICAL BUILDING
RETAIL STORES
OFFICE BUILDING
INDUSTRIAL (GENERAL)
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
1919
Construction
TILT-UP CONCRETE
Heating
CENTRAL
Cooling
Yes
Stories
1
Lot
1.01 ac
Current owner
From public records · entity-resolved
James Brian Madden
Individual
Mailing address
5701 OLD REDWOOD HWY, PENNGROVE, CA 94951-8676
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2022
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
May 31, 2023
—
James Brian Madden
—
Deed
related
$1,850,000 · Paradise Restoration Property Company
Mar 24, 2022
$2,400,000
James Brian Madden
Karistad LLC
Grant Deed
—
Jul 3, 2013
$1,500,000
Karlstad LLC
Palm J J & C E Living Trust
Grant Deed
—
Aug 16, 2011
—
Palm Jay J & C E Living Trust
Palm,jay J & Carleen E
Quit Claim Deed
related
—
Nov 1, 2007
—
Jay J Palm
Rpw Exchange
Grant Deed
$1,125,000 · First Community Bank
Dec 23, 2005
$1,965,000
Rpw Exchange Co
Miller R B & B E Trust
Grant Deed
$1,085,000 · First Community Bank
May 13, 2005
—
Miller R B & B E Trust
Miller,robert B
Quit Claim Deed
related
—
May 12, 2005
$1,175,000
Robert B Miller
Martin,david B
Deed Of Trust
$2,000,000 · Tamalpais Bank
Feb 26, 2004
—
David B Martin
Martin,david B & Carol P
Quit Claim Deed
related
$200,000 · Curtis Trust
Aug 26, 2002
$425,000
David B Martin
Benson Investments INC
Grant Deed
$225,000 · Curtis Trust
—
—
Jay J Palm
—
Deed Of Trust
related
$7,127 · First Community 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.
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