GREAT VIEW OF SPARKLING CITY LIGHTS & MOUNTAINS, GREAT FLOOR PLAN, BUILT TO SUIT BY PIERMARRINI IN 1989,GREAT CURB APPEAL, YOUR TENDER LOVING CARE WILL BRIGHTEN UP THIS CUSTOM PROPERTY BACK TO ITS ORIGINAL BEAUTY. BIG LOT HAS GREEN GENTLE SLOPE IN REAR W/ LOTS OF POTENTIAL FOR MORE AMENITIES. CIRCULAR DRIVEWAY. CALL AGENT TO SHOW, LAST MINUTE NOTICE IS NOT GUARANTEED.
Single-familyProperty Type
1989Year Built
2.88 acresLot Size
$496Est. Price/Sq.Ft.
4 car garageParking
Listed by Diana Cheng•DRE #00856071• RE/MAX Galaxy
Bought with OUT OF AREA OFFICE•DRE #0555555• OUTSIDE OFFICE
A RARE FIND WITH A VIEW CAN KILL!PRICED FOR FAST SALE BY OUT OF STATE OWNER GREAT FOR LIVING & ENTERTAINMENT. 5184 SQFT LUXURY LIVING ON ONE OF THE BEST VIEW LOTS IN THE COUNTRY. A 2 STORY LIMSTONE GEM CUSTOM BUILT BY PIERMANNI. BRIGHT, MODERN W/ BREATHTAKING VIEWS FROM ALMOST ALL ROOMS. GREAT FLOOR PLAN. QUALITY THRU OUT. 3 FIREPLACES, MARBLE ENTRY, SPECIAL FLOOR & CARPETS, POOL, SPA
Public Records
May 16, 1991
Sold
$1,210,000
$233/sq ft
Public Records
Mar 31, 1987
Sold
$132,500
$26/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$18,149 (+6.2%)
$724,158 + $677,810
$1,401,968
2024
$17,093 (+2.7%)
$724,158 + $677,810
$1,401,968
2023
$16,640 (+2.4%)
$709,959 + $664,520
$1,374,479
2022
$16,256 (+1.9%)
$696,039 + $651,491
$1,347,530
2021
$15,948 (+1.3%)
$682,392 + $638,717
$1,321,109
2020
$15,746 (+1.9%)
$669,012 + $626,194
$1,295,206
2019
$15,448 (+4.2%)
$662,153 + $619,774
$1,281,927
2018
$14,831 (+4.8%)
$649,170 + $607,622
$1,256,792
2017
$14,157 (+3.2%)
$623,963 + $584,028
$1,207,991
2016
$13,724 (−0.6%)
$623,963 + $584,028
$1,207,991
2015
$13,810 (−0.4%)
$611,729 + $572,577
$1,184,306
2014
$13,863 (+1.0%)
$590,739 + $552,930
$1,143,669
2012
$13,732 (+2.9%)
$588,070 + $550,432
$1,138,502
2011
$13,348 (+0.7%)
$576,540 + $539,640
$1,116,180
2010
$13,256 (+0.1%)
$565,236 + $529,059
$1,094,295
2009
$13,237 (+2.6%)
$561,012 + $525,105
$1,086,117
2008
$12,905
$562,345 + $526,353
$1,088,698
Tax history for 23621 RIDGELINE Rd
Year
Property tax
Land + Additions
Assessment*
2025
$18,149 (+6.2%)
$724,158 + $677,810
$1,401,968
2024
$17,093 (+2.7%)
$724,158 + $677,810
$1,401,968
2023
$16,640 (+2.4%)
$709,959 + $664,520
$1,374,479
2022
$16,256 (+1.9%)
$696,039 + $651,491
$1,347,530
2021
$15,948 (+1.3%)
$682,392 + $638,717
$1,321,109
2020
$15,746 (+1.9%)
$669,012 + $626,194
$1,295,206
2019
$15,448 (+4.2%)
$662,153 + $619,774
$1,281,927
2018
$14,831 (+4.8%)
$649,170 + $607,622
$1,256,792
2017
$14,157 (+3.2%)
$623,963 + $584,028
$1,207,991
2016
$13,724 (−0.6%)
$623,963 + $584,028
$1,207,991
2015
$13,810 (−0.4%)
$611,729 + $572,577
$1,184,306
2014
$13,863 (+1.0%)
$590,739 + $552,930
$1,143,669
2012
$13,732 (+2.9%)
$588,070 + $550,432
$1,138,502
2011
$13,348 (+0.7%)
$576,540 + $539,640
$1,116,180
2010
$13,256 (+0.1%)
$565,236 + $529,059
$1,094,295
2009
$13,237 (+2.6%)
$561,012 + $525,105
$1,086,117
2008
$12,905
$562,345 + $526,353
$1,088,698
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Beds
5
Baths
5
Stories
—
Lot width
—
Lot depth
—
Lot size
2.63 Acres
Year renovated
1989
Sq. Ft.
5,184
Year built
1989
Style
Single Family Residential
County
Los Angeles County
APN
8713004009
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 9, 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
Property details
Parking
Parking / Garage Information
Attached Garage
# of Garage Spaces: 4
Garage Door Opener
Has Parking
Interior
Laundry Information
Has Laundry
Gas & Electric Dryer Hookup, Individual Room
Kitchen Information
Appliances: Dishwasher, Electric Cooking, Gas Cooking, Garbage Disposal
Has Appliances
Breakfast Nook, Formal Dining Room
Cooling Information
Central
Has Cooling
Room Information
Bonus Room, Den, Dressing Area, Entry, Family Room, Library, Living Room, Primary Bedroom, Walk-In Closet, Retreat, Separate Family Room
Fireplace Information
Family Room, Gas, Living Room, Wood
Has Fireplace
Flooring Information
Carpet, Stone, Wood
Heating Information
Forced Air
Has Heating
Interior Features
Double Door Entry
Intercom, Wet Bar
Levels: Two
Security Features: Security System
Spa Features: See Remarks
Has Spa
Window Features: Blinds, Drapes/Curtains
Exterior
Exterior Information
Roof: Concrete, Tile
Fencing: Blockwall, Wrought Iron
Has Fence
Exterior Features
TV Antenna
Patio And Porch Features: See Remarks
Has Patio
Pool Features: Gunite
Has Pool
Has Sprinklers
Lot Information
Lot Size Source: Assessor's Data
Lot Size Dimensions: 173 x 725
Lot Features: Horse Property, Lot-Level/Flat, Lot Over 40000 Sqft, Sprinklers In Front, Sprinklers In Rear, Sprinklers On Side, Sprinklers Timer, Yard
Home facts updated by county records on Jul 9, 2026
Other
Miscellaneous Information
Exclusions: REDUCED!!!NEED MINOR TLC.NEGOTIABLE!FACING SOUTH.POTENTIAL!
Listing Information
Days Active in MLS: 475
Continuous Days Active in MLS: 475
Listing Agent Information
List Agent First Name: Diana
List Agent Last Name: CHENG
Listing Office Information
List Office Name: RE/MAX REALTY-100
Selling Agent Information
Buyer Agent First Name: OUT OF AREA
Buyer Agent Last Name: OFFICE
Selling Office Information
Buyer Office Name: OUTSIDE OFFICE
Around this home
Schools
Places
Transit
Evergreen Elementary School
Public K-5 • Assigned • 1.6mi
9/10
Chaparral Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 1.9mi
10/10
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Lifestyle
Provided by Walk Score and Local Logic
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