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Property profile & analytics
OFF-MARKET
Estimated value
$6,935,000
Flex space
30300 Un City Blvd Union City, CA 94587-1514
Entity Owned
5-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-9524283
Property profile
Verified
Property type
Flex space
Use group
LIGHT INDUSTRIAL
Year built
1969
Construction
TILT-UP CONCRETE
Total area
70,728 SF
Lot
6.72 ac (292,723 SF)
APN
483-5-14
UPID
US09-9524283
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
-
Spacesonic , Inc. Production Facility Metal Fabrication Plant
-
Phantom Fireworks Stand Discount Store Party Supply Store
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$6.94M
Owner & transaction history
Rossbrin Investments LLC · 5 yrs held
Rossbrin Investments LLC
since 2020
5 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 Union City submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Union City 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
$98 / 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
$65,259
Tax year 2024
Assessed value
$4,599,671
Assessed 2024
Previous assessed
$4,599,671
+0.0% YoY
Effective rate
1.42%
On assessed value
Assessed land
$3,672,071
Assessed improvement
$927,600
Applied tax rate
15.0000
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
Flex space
Use group
LIGHT INDUSTRIAL
Status
Off-Market
Year built
1969
Construction
TILT-UP CONCRETE
Heating
NONE
Buildings
2
Stories
1
Units
1
Bathrooms
4
Total area
70,728 SF
Lot
6.72 ac (292,723 SF)
APN
483-5-14
UPID
US09-9524283
Jurisdiction
ALAMEDA
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
1969
Construction
TILT-UP CONCRETE
Heating
NONE
Stories
1
Buildings
2
Units
1
Bathrooms
4
Lot
6.72 ac
Current owner
From public records · entity-resolved
Rossbrin Investments LLC
Entity
Free & Clear · 5 yrs held
Mailing address
5586 BACON RD, OAKLAND, CA 94619-3164
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2020
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
Nov 2, 2020
—
Rossbrin Investments LLC
Kelly J P & R C Trust
Grant Deed
—
Jan 10, 2017
—
Rosaleen C Kelly
Kelly,james P
Affidavit Of Death
related
—
Jan 23, 2004
$2,500,000
Kelly,tr
Bemis Co INC
Grant Deed
$7,500,000 · Wells Fargo Bank
—
—
Kelly,james P & R C Trust
—
Loan Modification
related
$5,494,000 · Wells Fargo Bank
Nov 18, 1968
—
Bemis Company INC
—
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
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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