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Property profile

21688 Gtwy Ctr Dr Diamond Bar, CA 91765

OFF-MARKET
Office buildings
Property ID
US09-7491985
View Sample
84,188 SF 1.2 ac lot Built 1999
Entity Owned 3-yr Hold Absentee Owner ~ Est. High Equity

Property summary

AI-generated overview

This property is a second-floor office space totaling 26,182 square feet. The common areas feature recent upgrades, including new tile flooring in the lobbies, updated digital directory boards, modern LED lighting, and newly added common area seating amenities.

Property profile

Verified
Property type Office buildings
Use group OFFICE BUILDING (MULTI-STORY)
Year built 1999
Construction TILT-UP CONCRETE
Total area 84,188 SF
Lot 1.2 ac (52,152 SF)
Zoning code LCR110000*
APN 8293-050-045
UPID US09-7491985

Cap rate & NOI

Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors

Value estimations

Realmo proprietary · 4 methods
AI Approach AI
by Request
CAP Approach CAP
$22.30M
Comparable Approach Comparable
by Request
Blend (final) Blend
$21.85M

Owner & transaction history

since 2023
Last sale
$23.0M
7 recorded transactions
2025
Price N/A
2023
$23.0M
2016
$44.0M
2008
Price N/A
2007
$48.5M
2002
Price N/A
1999
Price N/A

Zoning & alternative use

LCR110000* · Diamond Bar, CA

Comparables

6 recent transactions · within 1.5 mi
Comparable in this city
6 recent transactions
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
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