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Property profile & analytics
OFF-MARKET
Estimated value
$1,815,000
Retail space
531 Main St 535 Martinez, CA 94553-1127
Entity Owned
Absentee Owner
Free & Clear
Property ID
US09-3214838
Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1929
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
19,380 SF
Lot
0.29 ac (12,500 SF)
APN
373-223-003-6
UPID
US09-3214838
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
$1.85M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$2.28M
Blend (final)
Blend
$1.82M
Owner & transaction history
Black Sheep Real Estate Experts LLC
Black Sheep Real Estate Experts LLC
since 2026
Last sale
$1.8M
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 Martinez submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Martinez 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
$1,820,000
ML approach
$1,850,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$1.82M
Range $1.63M – $2.00M · ±10% · vs last sale $1.80M (May 15 2025)
Last sale anchor
$1.80M
May 15 2025
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
$16,786
Tax year 2024
Assessed value
$1,304,671
Assessed 2024
Previous assessed
$1,304,671
+0.0% YoY
Effective rate
1.29%
On assessed value
Assessed land
$384,189
Assessed improvement
$920,482
Applied tax rate
5.0000
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
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
Off-Market
Year built
1929
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
NONE
Stories
1
Total area
19,380 SF
Lot
0.29 ac (12,500 SF)
APN
373-223-003-6
UPID
US09-3214838
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, 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
Building & site characteristics
From public records
Year built
1929
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
NONE
Stories
1
Lot
0.29 ac
Current owner
From public records · entity-resolved
Black Sheep Real Estate Experts LLC
Entity
Free & Clear · 0 yrs held
Mailing address
701 SAINT GEORGE RD, DANVILLE, CA 94526-6233
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2026
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
May 11, 2026
$1,350,000
Black Sheep Real Estate Experts LLC
Black Sheep Real Estate Experts LLC
Grant Deed
related
—
May 15, 2025
$1,800,000
Black Sheep Real Estate Experts LLC
Richard L Ponder
Grant Deed
$950,000 · Hall Mortgage Fund LP
Aug 31, 2017
—
Richard L Ponder
—
Deed
related
$400,000 · Westamerica Bank
Feb 11, 2015
$215,000
Remmich,m A & S P 2004 Trust
Borchart Trust
Grant Deed
—
Sep 23, 2010
—
Borchart Trust
Borchart,gordon H & Nancy A
Quit Claim Deed
related
—
Sep 15, 2004
—
Remmich Marvin & S 2004 Trust
Remmich,marvin A & Susan P
Quit Claim Deed
related
—
Jul 29, 1999
$849,000
Remmich,marvin A & Susan P
Isle Capital Corp
Trustees Deed
$625,000 · Seller
Jul 29, 1999
—
Ponder Trust
Ponder,nancy L
Quit Claim Deed
related
—
Aug 6, 1987
$1,300,000
Isle Capital Corp
Lhs Associates
Grant Deed
related
—
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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