23171 Rio Lobos Rd is a 1,747 square foot house on a 0.29 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on October 22, 1987 for $170,000. Based on Redfin's Diamond Bar data, we estimate the home's value is $1,043,697.
Single-familyProperty Type
1984Year Built
0.29 acresLot Size
$597Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,043,697
$874K since sold in October 1987$1,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.8% lower than the average sale price ($1.27M) 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
RLM
Low/Medium Density Residential District
The RLM zoning district is intended primarily for existing subdivided areas developed with detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be five dwellings per gross acre. The RLM zoning district is consistent with the low density residential land use category of the general plan.
Permitted uses
Include but are not limited to:
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
Property Information
Subdivision Name: 37034
Living Sq. Ft: 1,747
# of Units: 1
Legal Description: TR=37034 LOT 9
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,559
Legal Lot Number: 9
Municipality Name: DIAMOND BAR
Acres: 0.2883
Zoning Code: LCR3800025U*
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,747
Stories: —
Lot Size: 0.29 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Los Angeles County
APN: 8717029063
Home facts updated by county records on Jul 9, 2026
Around this home
Schools
Maple Hill Elementary School
Public K-5 • Assigned • 1.1mi
10/10
Lorbeer Middle School
Public 7-8 • Assigned • 0.8mi
5/10
Diamond Ranch High School
Public 9-12 • Assigned • 2.1mi
8/10
Diamond Bar High School
Public 9-12 • Assigned • 2.4mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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