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450 Sansome St, San Francisco, CA 94111
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Property summary
AI-generated overview
The property is a retail space comprising approximately 1,646 square feet, located at 450 Sansome Street in San Francisco, California. It is configured for retail use within a commercial building at this address.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1967
Construction
STEEL FRAME
Total area
135,000 SF
Lot
0.24 ac (10,536 SF)
Zoning code
C3O
APN
0229 -018
UPID
US09-5748021
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
-
Financial Advisor
-
Insurance Agency
-
Law Firm
-
(Bike/Boat/Book/etc) Store Corporate Office
-
Corporate Office
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$54.59M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$40.50M
Owner & transaction history
since 2025
Last sale
$47.5M
7 recorded transactions
Zoning & alternative use
C3O · San Francisco, CA
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.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 3 comparables with addresses
3 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$40.50M
Value range
$36.45M – $44.54M
±10% around blend
Estimated value / SF
$300 / SF
Confidence
Low
3 county-verified comps
Property data
100
Market benchmarks
100
Comparable evidence
30
$36.45M
blend $40.50M
$44.54M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
135,000 SF
Lot area
0.24 ac
Year built
1967
Stories
16
APN
0229 -018
Zoning
C3O
Assessed value
$103,292,154
Annual tax
$1,226,418
3
Income approach: direct capitalization
Partial preview
Income approach indication
$54.59M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$59.14M
@ 6.5% CAP return
$54.59M
@ 7% CAP return
$50.69M
4
Sales comparison
Partial preview
Sales approach indication
$13.04M
Weighted, 3 comps · low confidence
Evidence
3 found · 3 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
23.5 mi away · 97,376 SF
23.9 mi away · 98,972 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$40.50M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 24 sales
$430
-30%
Submarket 244 sales
$479
-37%
County 244 sales
$479
-37%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $300/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
County record
Operating expenses
Modeled
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
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.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 3 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
from $99/month
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Overview
Implied cap rate
5.40%
Implied, in-place cap rate for this office buildings
Estimated NOI ÷ last recorded sale. Refine with your own numbers in the full report.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 5.40%
9.0%
NOI (est.)
$3.33M *
Last sale · Feb 2025
$47.50M
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$61.57M
Move the market yield to see immediate price impact.
Value / SF
$456
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
4.90%5.40%5.90%
$2.99M
$61.07M
$55.42M
$50.72M
$3.33M
$67.86M
$61.57M
$56.36M
$3.66M
$74.64M
$67.73M
$61.99M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
3 found
Low confidence · county-verified
Closest comparable
$14.40M
7.2 mi · Mar 2026 · $95/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$1,226,418
Tax year 2024
Assessed value
$103,292,154
Assessed 2024
Previous assessed
$103,292,154
+0.0% YoY
Effective rate
1.19%
On assessed value
Assessed land
$61,975,293
Assessed improvement
$41,316,861
Applied tax rate
1.0000
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
Office buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1967
Construction
STEEL FRAME
Heating
NONE
Stories
16
Total area
135,000 SF
Lot
0.24 ac (10,536 SF)
Zoning code
C3O
APN
0229 -018
UPID
US09-5748021
Jurisdiction
SAN FRANCISCO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
C3O · San Francisco, CAZoning C3O · permitted uses
C3O · San Francisco, CA
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
1967
Construction
STEEL FRAME
Heating
NONE
Stories
16
Lot
0.24 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
C3O
Jurisdiction
San Francisco, CA
Recorded code
C3O
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for C3O in San Francisco, CA.
What opens after registration
Zoning profile
2 official documentsVerified municipal sources with file download
Match provenanceAssignment basis, match tier and confidence
Private report access
See the official zoning profile for this address.
Registration is required before the official district profile is shown.
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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 · 30 · 300 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?”
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- Location Insight
- Alternative use
- Local Zoning Insight
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