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Property profile & analytics
OFF-MARKET
Estimated value
$1,460,000
Office buildings
3800 Blackhawk Rd Danville, CA 94506-4656
Entity Owned
25-yr Hold
Property ID
US09-0348350
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1986
Total area
6,788 SF
Lot
0.16 ac (6,788 SF)
Zoning code
P-1
APN
203-050-090-0
UPID
US09-0348350
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
-
Kevin M. Sweeney, CPA/ PFS Accounting Firm
-
Sweeney Kovar Financial Advisor
-
Kovar Joseph CPA Accounting Firm Tax Preparation
-
American Business Appraisers Accounting Firm Tax Preparation
-
Sweeney Kovar LLP Accounting Firm Tax Preparation
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$2.02M
Comparable Approach
Comparable
$890k
Blend (final)
Blend
$1.46M
Owner & transaction history
Bronco Don Holdings LLC · 25 yrs held
Bronco Don Holdings LLC
since 2001
7 recorded transactions
Zoning & alternative use
P-1 · Danville, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$2.4M
+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%
$2,180,000
6.5%
$2,015,000
7%
$1,870,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$2,335,000
Current use
COMMERCIAL (GENERAL)
$2,365,000
Change: +1% · Conversion: Easy
Blend value · Realmo final
$1.46M
Range $1.31M – $1.61M · ±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
$215 / 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
$31,469
Tax year 2024
Assessed value
$2,563,881
Assessed 2024
Previous assessed
$2,563,881
+0.0% YoY
Effective rate
1.23%
On assessed value
Assessed land
$664,776
Assessed improvement
$1,899,105
Applied tax rate
66.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
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
1986
Heating
NONE
Stories
1
Units
1
Rooms
1
Total area
6,788 SF
Lot
0.16 ac (6,788 SF)
Zoning code
P-1
APN
203-050-090-0
UPID
US09-0348350
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
P-1 · Danville, CA
Zoning P-1 · permitted uses
P-1 · 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
$2.3M
COMMERCIAL (GENERAL)
Est. value
$2.4M
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
1986
Heating
NONE
Stories
1
Units
1
Rooms
1
Lot
0.16 ac
Current owner
From public records · entity-resolved
Bronco Don Holdings LLC
Entity
Mailing address
3800 BLACKHAWK RD, DANVILLE, CA 94506-4656
Mailing matches property
Yes
Owner-occupied
Yes
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
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 22, 2020
—
Bronco Don Holdings LLC
—
Deed
related
$1,200,000 · Fremont Bk
Jun 20, 2001
$1,700,000
Bronco Don Holdings LLC
Manani Packing Partnership
Grant Deed
related
$850,000 · Westamerica Bank
Jan 3, 1997
$711,500
Mariani Packing Ptshp
Kiper,rick P & Jeananne
Grant Deed
—
Dec 28, 1994
$700,000
Rick P Kiper
Blackhawk Corp
Grant Deed
$480,000 · Bank Of Agriculture & Commerce
—
—
Bronco Don Holdings LLC
—
Loan Modification
related
$1,200,000 · Fremont Bk
—
—
Mariani Packing Ptshp
—
Deed Of Trust
related
$622,500 · Wells Fargo Bank
—
—
Bronco Don Holdings LLC
—
Deed Of Trust
related
$1,075,000 · Westamerica Bank
—
—
Bronco Don Holdings LLC
—
Deed Of Trust
related
$701,000 · Bay Area Emp Development
—
—
Rick P Kiper
—
Deed Of Trust
related
$220,000 · Tamarac Resources INC
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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