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Property profile & analytics
OFF-MARKET
Estimated value
$1,180,000
Apartment buildings
542 Mason St San Francisco, CA 94102-1236
Trust Owned
5-yr Hold
Absentee Owner
Property ID
US09-5795331
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1914
Construction
TILT-UP CONCRETE
Total area
12,504 SF
Lot
0.06 ac (2,625 SF)
Zoning code
C3R
APN
0296 -012A
UPID
US09-5795331
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
-
Love These Flowers (Bike/Boat/Book/etc) Store Florist
-
Love These Flowers LLC (Bike/Boat/Book/etc) Store Florist
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.10M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$769k
Blend (final)
Blend
$1.18M
Owner & transaction history
Stacey,margaux Tupper Trust · 5 yrs held
Stacey,margaux Tupper Trust
since 2021
Last sale
$1.1M
7 recorded transactions
Zoning & alternative use
C3R · San Francisco, CA
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 Francisco submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Francisco 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
$1,180,000
ML approach
$1,100,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$1.18M
Range $1.06M – $1.30M · ±10% · vs last sale $1.13M (Jan 4 2021)
Last sale anchor
$1.13M
Jan 4 2021
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
$94 / 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
$28,200
Tax year 2024
Assessed value
$1,808,968
Assessed 2024
Previous assessed
$1,808,968
+0.0% YoY
Effective rate
1.56%
On assessed value
Assessed land
$846,264
Assessed improvement
$962,704
Applied tax rate
1.0000
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
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1914
Construction
TILT-UP CONCRETE
Heating
NONE
Stories
6
Units
32
Rooms
64
Bathrooms
32
Total area
12,504 SF
Lot
0.06 ac (2,625 SF)
Zoning code
C3R
APN
0296 -012A
UPID
US09-5795331
Jurisdiction
SAN FRANCISCO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
C3R · San Francisco, CAZoning C3R · permitted uses
C3R · San Francisco, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Source
PLANNING CODE
Building & site characteristics
From public records
Year built
1914
Construction
TILT-UP CONCRETE
Heating
NONE
Stories
6
Units
32
Rooms
64
Bathrooms
32
Lot
0.06 ac
Current owner
From public records · entity-resolved
Stacey,margaux Tupper Trust
Trust
Mailing address
1704 UN ST, SAN FRANCISCO, CA 94123-4407
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
10 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 30, 2021
—
Beverly Stamper
—
Deed
related
$2,975,000 · Jpmorgan Chase Bank NA
Jan 4, 2021
—
Stacey,margaux Tupper Trust
Bruce D Stamper
Quit Claim Deed
related
—
Dec 11, 1996
$1,130,000
Stamper,bruce D & Beverly
Ming,lam K
Trustees Deed
$885,000 · Home Savings Of America
Dec 11, 1996
—
Lam K Ming
Ming Trust
Quit Claim Deed
related
—
Sep 22, 1995
—
Ming Trust
Ming,lam K
Quit Claim Deed
related
—
Jun 10, 1988
$1,115,500
Lam Ming
Chow
Grant Deed
—
—
—
Bruce D Stamper
—
Deed Of Trust
related
$2,100,000 · J P Morgan Chase Bank
—
—
Bruce D Stamper
—
Deed Of Trust
related
$3,000,000 · Jp Morgan Chase Bk
—
—
Bruce D Stamper
—
Deed Of Trust
related
$1,500,000 · Washington Mutual Fsb
—
—
Bruce D Stamper
—
Deed Of Trust
related
$2,000,000 · Washington Mutual Fsb
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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