21 Duffy Pl San Rafael, CA 94901-3912
Entity Owned
Absentee Owner
~
Est. High Equity
Estimated value (blended)
$8.27M
Range $7.44M – $9.09M (±10%)
Property ID
US09-2746208
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
Current use
Occupant on record · Public records
-
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
since 2025
7 recorded transactions
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
17% off on annual
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Sensitivity value band
Source audit · 10 inputs
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$8.27M
Value range
$7.44M – $9.09M
±10% around blend
Estimated value / SF
$170 / SF
Confidence
None
1 county-verified comps
Property data
75
Market benchmarks
67
Comparable evidence
10
$7.44M
blend $8.27M
$9.09M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
48,571 SF
Lot area
1.53 ac
Year built
1952
APN
013-031-12
Assessed value
$12,495,204
Annual tax
$160,281
3
Income approach: direct capitalization
Partial preview
Income approach indication
$8.95M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$9.69M
@ 6.5% CAP return
$8.95M
@ 7% CAP return
$8.31M
4
Sales comparison
Partial preview
Too few qualifying comparables for a sales-approach estimation.
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$8.27M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
Submarket 29 sales
$253
-33%
County 63 sales
$308
-45%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $170/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Not available
Market rent
Not available
Actual rent roll
Not available
Tenant leases
Not available
Physical condition
Not inspected
Conversion costs
Not available
Not analyzed due to unavailable source data: tenant leases, physical condition and capital
requirements were not available for this desktop analysis. Cost Approach excluded due to
availability of income evidence.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 1 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$12.50M
Move the market yield to see immediate price impact.
Value / SF
$257
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$787k
$15.74M
$11.25M
$8.75M
$875k
$17.49M
$12.50M
$9.72M
$962k
$19.24M
$13.74M
$10.69M
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
1 found
None confidence · county-verified
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
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Industrial properties
Use group
INDUSTRIAL (GENERAL)
Status
Off-Market
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
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1952
Heating
NONE
Lot
1.53 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 5 · 30 · 100 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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 21 Duffy Pl?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
Full reports are paid
Unlock the full Property Analytics report
Pick a plan to open full owner contacts, all 4 valuations with methodology, the refine flow, comparable adjustments, the foot-traffic deep dive and PDF / CSV export. Cancel anytime.
