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Property profile & analytics
OFF-MARKET
Estimated value
$820,000
Office buildings
1104 Buchanan Rd B Antioch, CA 94509-4205
Individually Owned
23-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-3112767
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1980
Total area
4,456 SF
Lot
0.1 ac (4,456 SF)
APN
076-191-026-4
UPID
US09-3112767
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
-
Planned Parenthood - Antioch Health Center Abortion Clinic Family Planning Center
-
Seven Bridges Therapy Physician
-
Community Practice Clinic Antioch Community Health Centre Health Care Facility
-
Accounting & Tax Office Accounting Firm Tax Preparation
-
Shirley Magana Bookkeeping & Tax Services Tax Preparation
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.05M
Comparable Approach
Comparable
$573k
Blend (final)
Blend
$820k
Owner & transaction history
Marco Chavez · 23 yrs held
Marco Chavez
since 2003
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
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$1,135,000
6.5%
$1,045,000
7%
$970,000
Blend value · Realmo final
$820k
Range $738k – $902k · ±10%
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
$184 / 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
$9,187
Tax year 2024
Assessed value
$575,053
Assessed 2024
Previous assessed
$575,053
+0.0% YoY
Effective rate
1.60%
On assessed value
Assessed land
$278,580
Assessed improvement
$296,473
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
1980
Heating
NONE
Stories
1
Units
6
Rooms
6
Total area
4,456 SF
Lot
0.1 ac (4,456 SF)
APN
076-191-026-4
UPID
US09-3112767
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
1980
Heating
NONE
Stories
1
Units
6
Rooms
6
Lot
0.1 ac
Current owner
From public records · entity-resolved
Marco Chavez
Individual
Free & Clear · 23 yrs held
Mailing address
570 EL CAMINO REAL STE #150, REDWOOD CITY, CA 94063-1262
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2003
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 9, 2003
—
Marco Chavez
Chavez,linda
Quit Claim Deed
related
—
Jun 9, 2003
$122,500
1104 Buchannan Street LLC
Chavez,marco
Grant Deed
related
$116,000 · Lawyers Equity Exchange
—
—
Marco M Chavez
—
Deed Of Trust
related
$625,000 · Commercial Bank Of Korea Ltd
—
—
Marco Chavez
—
Deed Of Trust
related
$76,000 · Michael J Anthony
—
—
1104 Buchannan Street LLC
—
Deed Of Trust
related
$655,000 · Fremont Bank
—
—
Marco Chavez
—
Deed Of Trust
related
$50,000 · Individual
—
—
Marco Chavez
—
Deed Of Trust
related
$206,250 · Individual
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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