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Property profile & analytics
FOR SALE
Office buildings
3978 Railroad Ave Pittsburg, CA 94565
Trust Owned
11-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-2662015
For Sale
1 / 4
$750,000
3978 Railroad Ave, Pittsburg, CA 94565
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1976
Construction
WOOD FRAME
Total area
3,200 SF
Lot
0.25 ac (10,710 SF)
APN
087-151-026-9
UPID
US09-2662015
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$950k
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$795k
Owner & transaction history
Chung,kyungja & H 2014 Trust · 11 yrs held
Chung,kyungja & H 2014 Trust
since 2014
4 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Medical building
$1.2M
+5.7%
Commercial (general)
$1.1M
+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 Pittsburg submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Pittsburg 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%
$1,030,000
6.5%
$950,000
7%
$880,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,100,000
Current use
MEDICAL BUILDING
$1,160,000
Change: +6% · Conversion: Easy
COMMERCIAL (GENERAL)
$1,115,000
Change: +1% · Conversion: Easy
Blend value · Realmo final
$795k
Range $716k – $875k · ±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
$248 / 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
$7,870
Tax year 2024
Assessed value
$549,845
Assessed 2024
Previous assessed
$549,845
+0.0% YoY
Effective rate
1.43%
On assessed value
Assessed land
$98,287
Assessed improvement
$451,558
Applied tax rate
7.0000
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
For Sale
Year built
1976
Construction
WOOD FRAME
Heating
FORCED AIR
Cooling
CENTRAL
Stories
1
Units
3
Rooms
3
Total area
3,200 SF
Lot
0.25 ac (10,710 SF)
APN
087-151-026-9
UPID
US09-2662015
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
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$1.1M
MEDICAL BUILDING
Est. value
$1.2M
COMMERCIAL (GENERAL)
Est. value
$1.1M
OFFICE BUILDING Current
MEDICAL BUILDING
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
1976
Construction
WOOD FRAME
Heating
FORCED AIR
Cooling
Yes
Stories
1
Units
3
Rooms
3
Lot
0.25 ac
Current owner
From public records · entity-resolved
Chung,kyungja & H 2014 Trust
Trust
Free & Clear · 11 yrs held
Mailing address
13139 DELSON CT, LOS ALTOS HILLS, CA 94022-3367
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2014
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Sep 11, 2014
—
Chung,kyungja & H 2014 Trust
Chung,hankyu & Kyungja
Quit Claim Deed
related
—
Nov 1, 1989
$599,000
Hankyu Chung
Siino Family Tru
Grant Deed
$178,000 · Individual
Jul 20, 1987
—
Owner Name Unavailable
—
Grant Deed
related
—
Apr 16, 1987
—
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
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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