23771 Highland Valley Rd is a 1,349 square foot condo with 2 bedrooms and 2 bathrooms. - it last sold on December 28, 1988 for $118,000. Based on Redfin's Diamond Bar data, we estimate the home's value is $573,068.
CondoProperty Type
1981Year Built
$425Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$573,068
$455K since sold in December 1988$27K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15% higher than the average sale price ($499K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RMH
Medium/High Density Residential District
The RMH zoning district is intended for areas of existing and planned townhome, condominium, apartment, other multifamily residential projects, and mobile home parks. The maximum allowed density for new residential projects within this zoning district will be 16 dwellings per gross acre. The RMH zoning district is consistent with the medium high density residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space
Property details
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Exterior
Property Information
Subdivision Name: 37545
Living Sq. Ft: 1,349
# of Units: 1
Legal Description: TR=37545 LOT 1 AND 2CONCOMINIUM UNIT 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 106,672
Legal Lot Number: 1
Municipality Name: DIAMOND BAR
Acres: 2.4489
Zoning Code: LCR38000(250)*
County Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,349
Stories: —
Lot Size: —
Style: Condo/Co-op
Year Built: 1981
Year Renovated: 1981
County: Los Angeles County
APN: 8706013027
Home facts updated by county records on Aug 30, 2026
Around this home
Schools
Lorbeer Middle School
Public 7-8 • Assigned • 1.3mi
5/10
Diamond Ranch High School
Public 9-12 • Assigned • 1.7mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
6/10 Heat Factor
6 days above 99° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
10 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Diamond Bar, CA • 91765
Average low and high temperatures (°F)
68
50
71
52
73
53
72
53
76
57
81
60
83
61
89
65
86
64
80
59
71
52
69
51
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
Sun exposure
In this area, properties receive around 10.1 hours in
June and 6.8 hours in December, placing it above the
U.S. average for solar exposure.
10.1 hrs
6.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$545,000 – $660,000
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