Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$1,550,000
Office buildings
939 Hartz Way Danville, CA 94526-3440
Individually Owned
25-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-0545402
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1987
Total area
7,187 SF
Lot
0.45 ac (19,600 SF)
Zoning code
R2
APN
216-102-006-6
UPID
US09-0545402
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
-
Maday Eileen DC Alternative Medicine Practice
-
Andrews Lucia & Co Accounting Firm Tax Preparation
-
Mark H. Sembrat, DC Alternative Medicine Practice
-
Chill Lipo Center Weight Loss Service Medical Spa
-
Dr. Brielle Shipman Alternative Medicine Practice
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$2.13M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$1.55M
Owner & transaction history
Robert J Lucia · 25 yrs held
Robert J Lucia
since 2001
5 recorded transactions
Zoning & alternative use
R2 · Danville, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$2.5M
+1.3%
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 Danville submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Danville 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%
$2,310,000
6.5%
$2,130,000
7%
$1,980,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$2,470,000
Current use
COMMERCIAL (GENERAL)
$2,500,000
Change: +1% · Conversion: Easy
Blend value · Realmo final
$1.55M
Range $1.40M – $1.71M · ±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
$216 / 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
$37,790
Tax year 2024
Assessed value
$2,954,596
Assessed 2024
Previous assessed
$2,954,596
+0.0% YoY
Effective rate
1.28%
On assessed value
Assessed land
$1,300,019
Assessed improvement
$1,654,577
Applied tax rate
16.0000
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
1987
Heating
NONE
Stories
1
Total area
7,187 SF
Lot
0.45 ac (19,600 SF)
Zoning code
R2
APN
216-102-006-6
UPID
US09-0545402
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
R2 · Danville, CA
Zoning R2 · permitted uses
R2 · Danville, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Danville. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$2.5M
COMMERCIAL (GENERAL)
Est. value
$2.5M
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
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
1987
Heating
NONE
Stories
1
Lot
0.45 ac
Current owner
From public records · entity-resolved
Robert J Lucia
Individual
Mailing address
35 ROSEWOOD CT, DANVILLE, CA 94506-2165
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2001
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 19, 2001
$2,000,000
Robert J Lucia
Miden Associates
Grant Deed
$1,200,000 · Borel Bank & Trust
May 15, 1986
$53,000
Miden Associates
Nelson,michael D
Grant Deed
related
$800,000 · Bank Of Crocker
Aug 12, 1985
$370,000
Dennis M Etal Casagrande
Clyde,barry W
Grant Deed
$100,000
—
—
Miden Associates
—
Deed Of Trust
related
$715,000 · Mount Diablo National Bank
—
—
Robert J Lucia
—
Deed Of Trust
related
$1,500,000 · Diablo Valley Bank
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
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
You own 939 Hartz Way?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.