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Property profile & analytics
OFF-MARKET
Office buildings
100 18th St Antioch, CA 94509-2429
Trust Owned
12-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-1277232
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1963
Total area
936 SF
Lot
0.15 ac (6,447 SF)
APN
068-041-032-1
UPID
US09-1277232
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
-
Lift Up Contra Costa Action Association Or Organization
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
Benaroya,yaniv Living Trust · 12 yrs held
Benaroya,yaniv Living Trust
since 2013
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
$2,359
Tax year 2024
Assessed value
$126,181
Assessed 2024
Previous assessed
$126,181
+0.0% YoY
Effective rate
1.87%
On assessed value
Assessed land
$60,087
Assessed improvement
$66,094
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
1963
Heating
NONE
Stories
1
Units
1
Rooms
1
Total area
936 SF
Lot
0.15 ac (6,447 SF)
APN
068-041-032-1
UPID
US09-1277232
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
1963
Heating
NONE
Stories
1
Units
1
Rooms
1
Lot
0.15 ac
Current owner
From public records · entity-resolved
Benaroya,yaniv Living Trust
Trust
Mailing address
501 RAILROAD AVE, PITTSBURG, CA 94565-2304
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2013
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
8 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 31, 2013
$105,000
Benaroya,yaniv Living Trust
Property Upsurge 102 LLC
Grant Deed
—
Sep 30, 2011
$100,000
Property Upsurge 102 LLC
Beattie Howard C & D L
Grant Deed
$100,000 · Benaroya Y Living Trust (lt)
Aug 25, 2011
—
Mary J Barnes
Barnes,paul E
Affidavit Of Death
related
—
Nov 18, 2008
—
Beattie Howard C Tr
Owner Name Unavailable
Grant Deed
related
—
Sep 6, 1984
—
Owner Name Unavailable
—
Grant Deed
related
—
—
—
Benaroya,yaniv Living Trust
—
Deed Of Trust
related
$100,000 · Lorente A N Living Trust (rt)
—
—
Property Upsurge 102 LLC
—
Deed Of Trust
related
$66,000 · Lorente A N Living Trust (rt)
Oct 16, 1961
—
Owner Name Unavailable
—
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.
Try Rey
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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