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Property profile & analytics
OFF-MARKET
Office buildings
509 10th St Antioch, CA 94509-1653
Trust Owned
12-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-0133320
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1914
Total area
2,249 SF
Lot
0.13 ac (5,663 SF)
APN
067-060-002-2
UPID
US09-0133320
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
-
Vang Bau Physician Medical Clinic
-
Noa Tidhar, BA Physician Medical Clinic
-
Wesley A. Robinson, PHD Physician Medical Clinic
-
Larson Tara L Medical Clinic Physician
-
Individual Family Community Psychotherapist
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
by Request
Owner & transaction history
Robinson Family Trust · 12 yrs held
Robinson Family Trust
since 2014
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 Antioch submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Antioch 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
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
$4,411
Tax year 2024
Assessed value
$348,457
Assessed 2024
Previous assessed
$348,457
+0.0% YoY
Effective rate
1.27%
On assessed value
Assessed land
$96,169
Assessed improvement
$252,288
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1914
Heating
NONE
Stories
1
Units
1
Rooms
1
Total area
2,249 SF
Lot
0.13 ac (5,663 SF)
APN
067-060-002-2
UPID
US09-0133320
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
1914
Heating
NONE
Stories
1
Units
1
Rooms
1
Lot
0.13 ac
Current owner
From public records · entity-resolved
Robinson Family Trust
Trust
Free & Clear · 12 yrs held
Mailing address
4528 STALLION WAY, ANTIOCH, CA 94531-8137
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2014
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 6, 2014
—
Robinson Family Trust
Robinson,wesley & Linda
Quit Claim Deed
related
—
Feb 25, 2004
$250,000
Linda Robinson
Abn Amro Mortgage Group INC
Grant Deed
$200,000 · 1-800-anyloan
Jan 4, 2002
$207,000
Abn Amro Mortgage Group INC
Dimatteo,daniel F
Trustees Deed
related
—
Sep 13, 2000
$230,000
Dimatteo,daniel F
Russell,renwick P
Trustees Deed
$207,000 · Abn Amro Mortgage Group INC
Sep 13, 2000
—
Mimatteo,daniel F
Dimatteo,victoria L
Trustees Deed
related
—
Nov 30, 1999
—
Renwick P Russell
Russell,carol L
Quit Claim Deed
related
—
Feb 17, 1988
—
—
Russe
Grant Deed
related
—
Feb 16, 1972
$20,000
Renwick P Russell
—
Grant Deed
related
—
—
—
Robinson Family Trust
—
Deed Of Trust
related
$215,000 · California Bk&tr
—
—
Russell R.
—
Deed Of Trust
related
—
—
—
Renwick P Russell
—
Deed Of Trust
related
$80,000 · Bostian Trust
—
—
Renwick P Russell
—
Deed Of Trust
related
$60,000 · Individual
—
—
Renwick P Russell
—
Deed Of Trust
related
$10,000 · H E Dupree Dds INC Emp Pst
Aug 7, 1961
—
—
—
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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