23130 Ridge Line Rd is a 3,058 square foot house on a 1.36 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on February 15, 2002 for $1,000,000. Based on Redfin's Diamond Bar data, we estimate the home's value is $2,022,189.
Single-familyProperty Type
1975Year Built
1.36 acresLot Size
$661Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,022,189
$1.0M since sold in February 2002$10K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 39.5% higher than the average sale price ($1.45M) 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
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
Property details
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: 30091
Living Sq. Ft: 3,058
# of Units: 1
Legal Description: TRACT NO 30091 LOT 119
Lot Information
# of Buildings: 1
Land Sq. Ft: 59,152
Legal Lot Number: 119
Municipality Name: DIAMOND BAR
Acres: 1.3579
Zoning Code: LCR140000*
County Use Description: SINGLE FAMILY RESID
Location Information
Parcel Location Influence: Corner
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 3,058
Stories: —
Lot Size: 1.36 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: 1975
County: Los Angeles County
APN: 8713031022
Home facts updated by county records on Oct 7, 2026
Around this home
Schools
Evergreen Elementary School
Public K-5 • Assigned • 1.3mi
9/10
Chaparral Middle School
Public 6-8 • Assigned • 0.6mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 1.5mi
10/10
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
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
5/10 Heat Factor
3 days above 98° expected this year, 6 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
86
63
89
65
85
65
80
59
71
52
69
51
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
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Dec
Sun exposure
In this area, properties receive around 9.7 hours in
June and 6.9 hours in December, placing it above the
U.S. average for solar exposure.
9.7 hrs
6.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.92M – $2.33M
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