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Property profile & analytics
OFF-MARKET
Estimated value
$790,000
Medical Office Space
3800 Lone Tree Way Antioch, CA 94509-6238
Individually Owned
4-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-2857318
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
1995
Total area
2,474 SF
Lot
0.22 ac (9,800 SF)
Zoning code
R1
APN
071-182-015-9
UPID
US09-2857318
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
-
Diablo Hills Dental Excellence Dental Office
-
Dr. Charles Palano Dental Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$770k
CAP Approach
CAP
$625k
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$790k
Owner & transaction history
Charles A Palano · 4 yrs held
Charles A Palano
since 2022
Last sale
$801,500
7 recorded transactions
Zoning & alternative use
R1 · Antioch, 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 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
$790,000
ML approach
$770,000
CAP Approach
CAP Return
Estimation
6%
$675,000
6.5%
$625,000
7%
$580,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$900,000
Current use
COMMERCIAL (GENERAL)
$860,000
Change: -4% · Conversion: Easy
OFFICE BUILDING
$850,000
Change: -5% · Conversion: Easy
Blend value · Realmo final
$790k
Range $711k – $869k · ±10% · vs last sale $802k (Jul 7 2022)
Last sale anchor
$802k
Jul 7 2022
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
$319 / 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
$10,183
Tax year 2024
Assessed value
$817,530
Assessed 2024
Previous assessed
$817,530
+0.0% YoY
Effective rate
1.25%
On assessed value
Assessed land
$306,000
Assessed improvement
$511,530
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
Medical Office Space
Use group
MEDICAL BUILDING
Status
Off-Market
Year built
1995
Heating
NONE
Stories
1
Units
1
Rooms
1
Bathrooms
2
Total area
2,474 SF
Lot
0.22 ac (9,800 SF)
Zoning code
R1
APN
071-182-015-9
UPID
US09-2857318
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
R1 · Antioch, CAZoning R1 · permitted uses
R1 · Antioch, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Source
CHAPTER 5: ZONING
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$900,000
COMMERCIAL (GENERAL)
Est. value
$860,000
OFFICE BUILDING
Est. value
$850,000
MEDICAL BUILDING Current
COMMERCIAL (GENERAL)
OFFICE BUILDING
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1995
Heating
NONE
Stories
1
Units
1
Rooms
1
Bathrooms
2
Lot
0.22 ac
Current owner
From public records · entity-resolved
Charles A Palano
Individual
Mailing address
3140 SANDALWOOD CT, LAFAYETTE, CA 94549-5556
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
13 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jul 7, 2022
$801,500
Charles A Palano
Dan K Wong
Grant Deed
—
Apr 27, 1995
—
Saxen Trust
Saxen,frank
Quit Claim Deed
related
—
Dec 15, 1994
—
Frank Saxen
—
Grant Deed
related
$250,000 · East County Bank
Jun 17, 1994
—
Frank Saxen
Saxen,carol B
Quit Claim Deed
related
—
Jun 17, 1994
$41,000
Saxen,frank
Jenkins,mitch
Trustees Deed
related
$12,000 · Seller
Jun 10, 1994
$18,500
Mitch Jenkins
Carter,ron
Trustees Deed
—
Jul 9, 1993
—
Mitch Jenkins
Rotfield,t.
Trustees Deed
related
—
Jul 17, 1989
$55,500
Ron Carter
Wagstaff,w.
Grant Deed
—
—
—
Ron Carter
—
Deed Of Trust
related
$100,000 · Bank Of Walnut Creek
—
—
Dan K Wong
—
Deed Of Trust
related
—
—
—
Dan K Wong
—
Deed Of Trust
related
$315,837 · Central California Bank
—
—
Dan K Wong
—
Deed Of Trust
related
$326,137 · Central California Bank
—
—
Saxen Trust
—
Deed Of Trust
related
$82,000 · Saxen Trust
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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