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Property profile & analytics
OFF-MARKET
Estimated value
$1,390,000
Office buildings
628 Diamond Bar Blvd 5A, Diamond Bar, CA 91765-1076
Individually Owned
3-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-7580361
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1982
Construction
WOOD
Total area
1,840 SF
Lot
6.46 ac (281,377 SF)
Zoning code
LCCM*
APN
8706-002-033
UPID
US09-7580361
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
$1.46M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$900k
Blend (final)
Blend
$1.39M
Owner & transaction history
Christian Fuentes · 3 yrs held
Christian Fuentes
since 2023
Last sale
$1.3M
7 recorded transactions
Zoning & alternative use
LCCM* · Diamond Bar, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$1.1M
+19.4%
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 Diamond Bar submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Diamond Bar 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
$1,425,000
ML approach
$1,460,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$940,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$1,120,000
Change: +19% · Conversion: Difficult
MEDICAL BUILDING
$835,000
Change: -11% · Conversion: Easy
Blend value · Realmo final
$1.39M
Range $1.25M – $1.53M · ±10% · vs last sale $1.34M (Feb 16 2023)
Last sale anchor
$1.34M
Feb 16 2023
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
$755 / 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
$9,763
Tax year 2024
Assessed value
$730,004
Assessed 2024
Previous assessed
$730,004
+0.0% YoY
Effective rate
1.34%
On assessed value
Assessed land
$292,548
Assessed improvement
$437,456
Applied tax rate
10.0000
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
1982
Construction
WOOD
Heating
NONE
Total area
1,840 SF
Lot
6.46 ac (281,377 SF)
Zoning code
LCCM*
APN
8706-002-033
UPID
US09-7580361
Jurisdiction
LOS ANGELES
Metro division
LOS ANGELES-LONG BEACH-GLENDALE, CA METROPOLITAN DIVISION
Zoning & alternative use
LCCM* · Diamond Bar, CA
Zoning LCCM* · permitted uses
LCCM* · Diamond Bar, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Diamond Bar. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$940,000
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$1.1M
MEDICAL BUILDING
Est. value
$835,000
OFFICE BUILDING Current
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
1982
Construction
WOOD
Heating
NONE
Lot
6.46 ac
Current owner
From public records · entity-resolved
Christian Fuentes
Individual
Mailing address
808 N DIAMOND BAR BLVD, DIAMOND BAR, CA 91765-1039
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2023
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Feb 16, 2023
—
Christian Fuentes
Jeannette Fuentes
Intrafamily Transfer
related
—
Aug 16, 2022
—
Jeannette Fuentes
—
Deed
related
$975,000 · Clayton Family Trust
Sep 21, 2018
—
Jeannette Fuentes
Zhu2016 Separate Prop Trust
Grant Deed
related
—
Jul 10, 2018
—
Jeannette Fuentes
Fuentes,christian
Quit Claim Deed
related
—
Jul 10, 2018
$1,335,000
Jeannette Fuentes
Zhu J 2016 Separate Prop Trust
Grant Deed
$1,170,000 · Fjm Proviate Mortgage Fund LLC
Apr 27, 2016
—
Zhu,joyce 2016 Trust
Zhu,dan
Quit Claim Deed
related
—
Sep 30, 2015
—
Dan Zhu
Timothy G Mings
Quit Claim Deed
related
$650,000 · First General Bank
Aug 31, 2015
—
Zhu Family Trust
Erroa,karen A
Quit Claim Deed
related
—
Apr 12, 2011
—
Dan Zhu
Zhu Family Trust
Quit Claim Deed
related
—
Apr 6, 2011
—
Zhu Family Trust
Zhu,dan
Quit Claim Deed
related
—
May 29, 2008
$1,399,000
Dan Zhu
Romero,joseph O
Grant Deed
$839,400 · Bank Of America
May 28, 2002
—
J Romero
Ruiz-romero,l
Quit Claim Deed
related
—
May 28, 2002
$482,500
Joseph O Romero
Diamond Pace Partners Ltd
Grant Deed
$257,500 · Wells Fargo Bank
—
—
Joseph O Romero
—
Deed Of Trust
related
$214,000 · California Statewide Certified
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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