Los Angeles County  »  23317 Ridge Line Rd

23317 Ridge Line Road, Diamond Bar, CA 91765 - Property report

Also known as: 23317 Ridge Line Rd

Property image for 23317 Ridge Line Road, Diamond Bar, CA 91765
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Property type

Single Family Residence with Pool (0101)

Year built

1989

Acreage

1.639

Sale price

$2,475,500

General Information

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Address
Primary address
23317 Ridge Line Rd
Diamond Bar, CA 91765
Zip code
91765
County
Los Angeles
Municipality
Diamond Bar

Owner

Find out who owns 23317 Ridge Line Road, Diamond Bar, CA 91765. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence with Pool
Building sq. ft.
4,542
Buildings on lot
1
Year built
1989
Last altered
Bedrooms
5
Bathrooms
4
HVAC
Central refrigeration & heating
Pool
Yes
Sales
Sale date
06/12/2018
Sale price
$2,475,500
Arm's length
Tax
Tax year
2026-2027
Property tax
$34,318
Tax per sq. ft.
$8
Zoning & use
Zoning
Rural Residential (RR)
Units
1
Lot
Acreage
1.639

Area overview

Walk score
1 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
3 /100.  Somewhat Bikeable
School district
Walnut Valley Unified School District
Weed hazard
Yes
Ownership

Ownership information for 23317 Ridge Line Road, Diamond Bar, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 23317 Ridge Line Road, Diamond Bar, CA 91765

Sale date Sale price Buyer name Seller name
06/12/2018 $2,475,500 XXXXXX X XXX XXX XXXXX XXXX-XX XX XXXX XXXXX; XXX XXXXXX X XXXXXXX; XX XXXXX XXXX-XX XXXXXXX XXX XXXXXX X; XXX XXXX XX
12/27/2001 $934,000 XXXX, XXXX XXXXX XXXX, XXXX
08/17/2001 $1,169,000 XXXX, XXXX XXXXXXXX, XXXXXXX

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
06/12/2018 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXX XXXXXX X XXXXXX X XXX XXX XXXXX XXXX-XX XX XXXX XXXXX
12/22/2009 Deed
(File correction - Single parcel sale)		 XXX XXXXXX X XXX XXXXXX X
02/03/2009 Deed XXXX XXXX XXXXXXX XXX XXXXXX X
03/15/2004 Deed
(File correction - Single parcel sale)		 XXXX XXXX XXXX XXXX XXXXXX XXXXX
01/29/2003 Deed
(File correction - Single parcel sale)		 XXXX,XXXX X
12/27/2001 Deed XXXX, XXXX XXXX, XXXX XXXXX
08/17/2001 Deed XXXXXXXX, XXXXXXX XXXX, XXXX
11/18/1993 Deed XXXXXXXX, X X XXXXXXXX, XXXXXXX
03/10/1988 Deed XXXXX XXXXXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 23317 Ridge Line Road, Diamond Bar, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Base tax
$34,318
Current property tax
$35,706
Tax per sq. ft.
$8
Recent tax assessments
Market value
$2,930,365
Land value
$1,858,321
Building value
$1,072,044

More about Los Angeles County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $2,872,908 1.1711 $33,645 +3.43%
2024-2025 $2,816,577 1.1549 $32,529 +2.57%
2023-2024 $2,761,351 1.1485 $31,714 +2.10%
2022-2023 $2,707,207 1.1474 $31,062 +1.75%
2021-2022 $2,654,126 1.1502 $30,528 +1.32%
2020-2021 $2,626,912 1.147016 $30,131 +4.07%
2019-2020 $2,524,908 1.146694 $28,953 +45.58%
2018-2019 $1,754,240 1.1337 $19,887 +5.02%
2017-2018 $1,719,844 1.1011 $18,937 +2.71%
2016-2017 $1,686,123 1.0935 $18,438 -0.69%

Special assessments & penalties for 23317 Ridge Line Road, Diamond Bar, CA

Code Description Tax levied
06221 County Sanitation District #21
14651 Diamond Bar District #38
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
00744 Los Angeles County Fire Department
00746 Los Angeles County Fire Department Brush Initial Inspection
03071 Los Angeles County Flood Control
04000 Los Angeles County Sewer Maintenance
00170 Los Angeles County Trauma/Emerg Srvs
33011 Mwd Water Standby Charge #2
00177 Safe Clean Water Program Funding Measure W
36551 Three Valleys Mwd Standby Charge
37092 Walnut Valley Water Standby
Permits

Permit information for 23317 Ridge Line Road, Diamond Bar, CA

No recently recorded permits for this property.

More about Los Angeles County property records

Neighborhood

Diamond Bar residential market stats

Access a detailed real estate market overview of Diamond Bar so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Diamond Bar and compare it to other neighborhoods in Los Angeles.

Median sale price

$1,012,500

10.3% Y-o-Y

Median price/sq. ft.

$566

0.4% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Diamond Bar and see how their prices compare.

Risk

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FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 23317 Ridge Line Road, Diamond Bar, CA 91765 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Quail Summit Elementary School 9 Public K-5 665 0.36
Maple Hill Elementary School 9 Public K-5 562 0.82
Dbc Children's Center NR Private PK-K 48 1.11
Dbc Children's Center NR Private PK-K 48 1.11
La Petite Academy NR Private K 0 1.22
Evergreen Elementary School 9 Public K-5 719 1.42
Institute of Knowledge NR Private K-10 265 1.58
Institute Of Knowledge NR Private K-8 127 1.58
Pantera Elementary School 9 Public K-6 466 1.91
Castle Rock Elementary School 7 Public K-5 646 2.12
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Chaparral Middle School 9 Public 6-8 1,133 0.52
Institute of Knowledge NR Private K-10 265 1.58
Institute Of Knowledge NR Private K-8 127 1.58
Wisdom Kids College NR Private K-8 0 1.85
Mt. Calvary Lutheran School NR Private PK-8 192 1.86
Lorbeer Middle School 5 Public 7-8 623 1.89
South Pointe Middle School 8 Public 6-8 879 2.04
Walnut Valley Adult NR Public 0 2.46
International Cross Academy NR Private 1-12 0 2.80
Suzanne Middle School 8 Public 6-8 1,120 3.20
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Institute of Knowledge NR Private K-10 265 1.58
Diamond Bar High School 10 Public 9-12 2,557 1.72
Walnut Valley Adult NR Public 0 2.46
International Cross Academy NR Private 1-12 0 2.80
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 2.83
Diamond Ranch High School 7 Public 9-12 1,547 2.97
Walnut High School 10 Public 9-12 2,158 3.08
Elite Open School NR Private 5-12 43 3.35
Aims Academy NR Private 1-12 0 3.64
John A. Rowland High School 8 Public 9-12 2,025 4.16

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 23317 Ridge Line Road, Diamond Bar, CA

23303 Ridge Line Rd, Diamond Bar 23223 Ridge Line Rd, Diamond Bar 22983 Ridge Line Rd, Diamond Bar 2359 Alamo Heights Dr, Diamond Bar 2305 Alamo Heights Dr, Diamond Bar 23411 Ridge Line Rd, Diamond Bar 2331 Alamo Heights Dr, Diamond Bar 22939 Ridge Line Rd, Diamond Bar 22835 Ridge Line Rd, Diamond Bar 23347 Ridge Line Rd, Diamond Bar 2377 Alamo Heights Dr, Diamond Bar 2345 Alamo Heights Dr, Diamond Bar 23235 Ridge Line Rd, Diamond Bar 23007 Ridge Line Rd, Diamond Bar 22925 Ridge Line Rd, Diamond Bar 23331 Ridge Line Rd, Diamond Bar 22821 Ridge Line Rd, Diamond Bar 22807 Ridge Line Rd, Diamond Bar 2315 Alamo Heights Dr, Diamond Bar 22310 Broken Twig Rd, Diamond Bar

Nearby ZIP codes for 23317 Ridge Line Road, Diamond Bar, CA

91722, Los Angeles County, CA 91723, Los Angeles County, CA 91724, Los Angeles County, CA 91744, Los Angeles County, CA 91748, Los Angeles County, CA 91768, Los Angeles County, CA 91773, Los Angeles County, CA 92821, Orange County, CA 92823, Orange County, CA 92835, Orange County, CA

Frequently asked questions

What is the year built for 23317 Ridge Line Road, Diamond Bar, CA 91765?

The development at 23317 Ridge Line Road, Diamond Bar, CA 91765 was built in 1989.

What is the total square footage of 23317 Ridge Line Road, Diamond Bar, CA 91765?

23317 Ridge Line Road, Diamond Bar, CA 91765 has a total of 4,542 square feet.

When was 23317 Ridge Line Road, Diamond Bar, CA 91765 last sold and what was the sale price?

23317 Ridge Line Road, Diamond Bar, CA 91765 was last sold on 06/12/2018 for $2,475,500.

What is the assessed value of 23317 Ridge Line Road, Diamond Bar, CA 91765?

23317 Ridge Line Road, Diamond Bar, CA 91765 is currently assessed at $2,872,908.

What are the property taxes for 23317 Ridge Line Road, Diamond Bar, CA 91765?

The property taxes for 23317 Ridge Line Road, Diamond Bar, CA 91765 total $33,644.

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