Listed by Diana Cheng•DRE #00856071• Country Queen Real Estate
Listed by Juliet Chung•DRE #01887530• Country Queen Real Estate
Contact: 909-208-4040
For sale
$988,000
Est. $6,894/mo —
Land
•
2.14
acres (lot)
23431 Ridge Line Rd, Diamond Bar, CA 91765
About this home
Beautiful sweeping lot in the prestigious Diamond Bar Country Community, overlooking picturesque mountainscapes and sparkling city lights. Enjoy peace and tranquility amidst all of nature’s beauty while maintaining convenient access to all that Southern California has to offer. Amenities in this one-of-a-kind community include 24-hour gated security, swimming pool, multiple tennis courts, a clubhouse plus community center, amidst acres of open land flanked by trees as far as the eye can see. This is a rare opportunity to build your dream home on a lot with a 180-degree view of the city below while being surrounded by lush greens and open skies.
As the MLS and public records start to fill up, we'll list the details here.
Public record
Public record
Zoning
Beds
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Lot width
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Lot depth
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Lot size
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Year renovated
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Finished Sq. Ft.
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Unfinished Sq. Ft.
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Total Sq. Ft.
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Year built
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Style
Vacant Land
County
Los Angeles County
APN
8713004002
Parking Spaces
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Basement
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Accessible
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HOA Dues
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Garage
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Features
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Last updated by owner on Feb 25, 2026.
RR
Rural Residential District
The RR zoning district identifies hillside areas intended for rural living, including the keeping of animals, with supporting accessory structures. The maximum allowed density for new residential subdivisions within this zoning district will be one dwelling unit per gross acre, or lower densities where required by chapter 22.22 (Hillside Management). The RR zoning district is consistent with the rural residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Livestock production
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
5/10 Heat Factor
4 days above 98° expected this year, 9 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
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
74/ 100
Good sunlight
Sunscore
This home receives average direct sun exposure in Diamond Bar. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9 hrs
3.5 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 23431 Ridge Line Rd
$889,125
$99K under list price of $988K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $990K to $1.1M.