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Property profile & analytics
FOR LEASE
Industrial properties
21 Duffy Pl, San Rafael, CA 94901
Entity Owned
Absentee Owner
~
Est. High Equity
Property ID
US09-2746208
For Lease
1 / 2
$2.00 SF/Yr
21 Duffy Pl, San Rafael, CA 94901
View Listing →
Property profile
Verified
Property type
Industrial properties
Use group
INDUSTRIAL (GENERAL)
Year built
1952
Total area
48,571 SF
Lot
1.53 ac (66,647 SF)
APN
013-031-12
UPID
US09-2746208
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
-
I K Design Inc General Contractor Renovation Specialist
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$8.95M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$8.27M
Owner & transaction history
D R Stephens Industrial Partners Ll
D R Stephens Industrial Partners Ll
since 2025
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 San Rafael submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Rafael 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%
$9,690,000
6.5%
$8,945,000
7%
$8,305,000
Alternative Use
Use
Estimation
INDUSTRIAL (GENERAL)
$12,305,000
Current use
Blend value · Realmo final
$8.27M
Range $7.44M – $9.09M · ±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
$170 / 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
$160,281
Tax year 2024
Assessed value
$12,495,204
Assessed 2024
Previous assessed
$12,495,204
+0.0% YoY
Effective rate
1.28%
On assessed value
Assessed land
$5,550,534
Assessed improvement
$6,944,670
Applied tax rate
8.0000
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
Industrial properties
Use group
INDUSTRIAL (GENERAL)
Status
For Lease
Year built
1952
Heating
NONE
Total area
48,571 SF
Lot
1.53 ac (66,647 SF)
APN
013-031-12
UPID
US09-2746208
Jurisdiction
MARIN
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
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
INDUSTRIAL (GENERAL) Current
Est. value
$12.3M
INDUSTRIAL (GENERAL) Current
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
1952
Heating
NONE
Lot
1.53 ac
Current owner
From public records · entity-resolved
D R Stephens Industrial Partners Ll
Entity
Mailing address
37 GRAHAM ST #20, SAN FRANCISCO, CA 94129-1723
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
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
Aug 19, 2025
$11,962,000
D R Stephens Industrial Partners Ll
Ncp Commercial LLC
Grant Deed
$5,000,000 · Westamerica Bank
Dec 16, 2021
—
Ncp Commercial LLC
Professional Financial Investors In
Grant Deed
—
Jun 24, 2019
—
Professional Finl Invtrs INC
—
Deed
related
$3,300,000 · Kathy Altman
Aug 29, 2017
—
Professional Ffinancial Investors I
—
Deed
related
—
Apr 9, 2014
$22,475,000
Professional Financial Investors In
Fjm Duffy Associates LLC
Grant Deed
$5,200,000 · Jpmorgan Chase Bank NA
Aug 9, 2010
—
601 Irwin LLC
Masterson Shirley H Trust
Grant Deed
—
Mar 5, 2004
—
Myers,tr
Myers,tr
Quit Claim Deed
related
—
—
—
Professional Finl Invtrs INC
—
Deed Of Trust
related
$3,300,000 · Kathy Altman
—
—
Fjm Duffy Associates LLC
—
Loan Modification
related
$2,300,000 · First Republic 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
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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