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Property profile & analytics
OFF-MARKET
Estimated value
$1,360,000
Office buildings
4555 Mattos Dr Fremont, CA 94536-6736
Entity Owned
6-yr Hold
~
Est. High Equity
Property ID
US09-8783865
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1956
Construction
WOOD
Total area
3,292 SF
Lot
0.35 ac (15,250 SF)
APN
501-702-38
UPID
US09-8783865
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
-
Hahn Eun DMD MMSc & Sara Hahn DMD Dental Office Physician
-
Fremont Family Foot Care Medical Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$868k
Blend (final)
Blend
$1.36M
Owner & transaction history
Nelson Liu & Eun H Hahn LLC · 6 yrs held
Nelson Liu & Eun H Hahn LLC
since 2019
7 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$1.6M
+9.1%
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 Fremont submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Fremont 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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,500,000
Current use
COMMERCIAL (GENERAL)
$1,640,000
Change: +9% · Conversion: Easy
NEIGHBORHOOD: SHOPPING CENTER
$1,400,000
Change: -7% · Conversion: Difficult
MEDICAL BUILDING
$1,300,000
Change: -13% · Conversion: Easy
Blend value · Realmo final
$1.36M
Range $1.22M – $1.50M · ±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
$413 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$25,740
Tax year 2023
Assessed value
$2,243,746
Assessed 2024
Previous assessed
$2,199,757
+2.0% YoY
Effective rate
1.15%
On assessed value
Assessed land
$814,864
Assessed improvement
$1,428,882
Applied tax rate
12.0000
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
1956
Construction
WOOD
Heating
NONE
Buildings
1
Stories
1
Units
1
Total area
3,292 SF
Lot
0.35 ac (15,250 SF)
APN
501-702-38
UPID
US09-8783865
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
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$1.5M
COMMERCIAL (GENERAL)
Est. value
$1.6M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$1.4M
MEDICAL BUILDING
Est. value
$1.3M
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
NEIGHBORHOOD: SHOPPING CENTER
MEDICAL 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
1956
Construction
WOOD
Heating
NONE
Stories
1
Buildings
1
Units
1
Lot
0.35 ac
Current owner
From public records · entity-resolved
Nelson Liu & Eun H Hahn LLC
Entity
Mailing address
4559 MATTOS DR, FREMONT, CA 94536-6736
Ownership since
2019
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
Oct 31, 2019
$1,930,000
Nelson Liu & Eun H Hahn LLC
Mello Properties LLC
Grant Deed
$1,447,500 · Jpmorgan Chase Bank NA
Oct 12, 2012
—
Mello Properties LLC
Mello Family Trust
Quit Claim Deed
—
May 5, 2006
—
Mello Family Trust
Mello Family Trust
Quit Claim Deed
related
—
Aug 31, 2005
—
Mello Family Trust
Mello,sharyl M
Affidavit Of Death
related
$1,070,000 · Bridge Bank NA
Aug 26, 2002
—
Mello,tr
Mello,gene A & Sharyl M
Quit Claim Deed
related
—
Oct 11, 1990
$350,000
Gene Mello
Lipman,f.
Grant Deed
$350,000 · Comm Bank Fremont
—
—
Mello Properties LLC
—
Deed Of Trust
related
$480,000 · Fremont Bk
—
—
Mello Properties LLC
—
Deed Of Trust
related
$500,000 · Wells Fargo Bank
—
—
Eugene A Mello
—
Deed Of Trust
related
$250,000 · Us Bank NA
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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