23600 Ridge Line
Diamond Bar, CA 91765
Listing broker / agent: RE/MAX Galaxy · Tianlun Jiang · 6268292888 · CRMLS
MLS # TR26206716 · Last checked Oct 22, 2026 04:58 UTC
About this property
Entry-Level Luxury in "The Country" with Elite 10/10 Schools Experience the prestige of Diamond Bar’s premier 24-hour guard-gated community. This remodeled 3,406 sq. ft. estate offers a rare entry-point into "The Country," paired with enrollment in the top-rated Walnut Valley Unified School District (Evergreen Elementary, Chaparral Middle, and Diamond Bar High). Inside, expansive windows frame breathtaking, unobstructed mountain vistas. The remodeled chef's kitchen features granite countertops and stainless steel appliances, while the family room boasts rustic beam ceilings. The private master suite offers direct backyard access and a luxurious bath with a separate shower, soaking tub, and granite-topped dual sinks. The unique split-level layout includes a massive lower-level bonus room with a rock fireplace, wet bar, and storage—perfect as a private executive office or media room. Outside, an upgraded deck built along the canyon slope provides a front-row seat to spectacular mountain views. Complete with fragrant fruit trees and side-yard RV parking, this home perfectly blends functionality with hillside serenity.
Property details
- MLS number
- TR26206716
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 4 Beds • 3 Baths
- Living area
- 3,406 Sq Ft
- Lot size
- 1.223 acres
- County
- Los Angeles
- Year built
- 1979
- Stories
- 2
More property detailsCollapse
Listing
- Days on market
- 18
Building
- Year built
- 1979
- Year built source
- Assessor
- Stories
- 2
- Building stories
- 2
- Levels
- Two
- Entry level
- 1
- Living area source
- Assessor
Bathrooms
- Full bathrooms
- 3
Rooms & interior
- Main-level bedrooms
- 4
- Main-level bathrooms
- 3
- Rooms
- Bedroom, Kitchen, Living Room, Primary Bathroom, Primary Bedroom
- Interior features
- All Bedrooms Down, Bedroom On Main Level
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- Living Room
- Laundry
- Laundry Room
Exterior & parking
- Total parking spaces
- 2
- Garage spaces
- 2
- Attached garage
- Yes
- Pool
- None, Association
- Lot features
- Lot Over40000 Sqft, Sprinkler System
- Lot size source
- Assessor
- Property outlook
- City Lights, Hills
Utilities & community
- Water
- Public
- Sewer
- Public Sewer
- Community features
- Horse Trails, Park, Street Lights, Suburban, Sidewalks
- Association amenities
- Outdoor Cooking Area, Pickleball, Pool, Spa Hot Tub
Fees & lease terms
- Association
- Yes
- Association fee
- $350.00
- Association fee frequency
- Monthly
Schools reported in the listing
- High school district
- Walnut Valley Unified
School information is supplied with the listing. Confirm current attendance boundaries and enrollment eligibility directly with the school district.
Nearby public schools
Nearby does not mean assigned. These are approximate straight-line distances from the property, not walking or driving routes. Confirm attendance boundaries, enrollment eligibility, grades and current school status directly with the district.
| School / district | Grades | Distance |
|---|---|---|
| Quail Summit Elementary (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | K–5 | 0.4 mi |
| Chaparral Middle (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | 6–8 | 0.7 mi |
| Maple Hill Elementary (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | K–5 | 1.0 mi |
| Evergreen Elementary (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | K–5 | 1.6 mi |
| Diamond Bar High (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | 9–12 | 1.8 mi |
| Pantera Elementary (school website, opens in a new tab) Pomona Unified · Diamond Bar | K–6 | 1.8 mi |
| Lorbeer Middle (school website, opens in a new tab) Pomona Unified · Diamond Bar | 7–8 | 1.9 mi |
| Armstrong Elementary (school website, opens in a new tab) Pomona Unified · Diamond Bar | Not reported | 2.2 mi |
Source: California Department of Education · 2025-26 school locations. Downloaded Oct 2, 2026 UTC. This annual snapshot may not reflect later changes. Public schools only; not a complete list of education options. No ratings or attendance assignments are provided.
Check the California School Directory ↗Price and tax history
Asking price
- Current asking price
- $1,838,888
- MLS-reported original asking price
- $1,888,888
- MLS-reported previous asking price
- $1,888,888
- MLS-reported last price change
- 2026-09-30 04:24 UTC
| Observed (UTC) | Asking price |
|---|---|
| Oct 2, 2026 05:58 | $1,838,888 |
MLS values are reported for this listing, not prior sales. Observation dates show when our importer saw an asking price, not when the MLS changed it. Up to 24 observations are retained; changes between refreshes may be missed. This is not a complete price or sales history.
Property taxes
Tax history is not available from the imported listing data.
Source: MLS feed. Only supplied tax years are shown, up to 10 years; this is not a county tax archive. Amounts may be corrected and taxes may change after purchase. Verify assessments and current taxes with the county. These values do not automatically fill the payment calculator.
Market trends in Diamond Bar
Active residential homes for sale in Diamond Bar, CA, available through this website's authorized feed. Includes residential subtypes; excludes rentals. Not the entire market or a valuation of this property.
Observed price activity · past 30 days
26 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-10-22 05:38 UTC. Source: this website's authorized MLS inventory. Import progress, freshness rules and coverage affect the figures. Medians exclude missing/invalid values; price per sq ft is the median of individual listing ratios. Price observations are limited to the last 24 per listing and may miss changes between refreshes. This is not a complete 30-day market report, historical inventory trend, appreciation measure, or sold-price analysis.
Payment calculator
Explore a fixed-rate loan scenario. The price comes from this listing; a 20% down payment and 30-year term are starting assumptions, not requirements. Enter your own interest rate—not APR—and estimated costs.
Illustration only—not a rate quote, preapproval, lending offer or affordability determination. Assumes equal monthly payments on a fully amortizing fixed-rate loan; no adjustable rates, interest-only periods or balloon payments. Excludes closing costs, utilities, maintenance, special assessments and other unentered costs. Actual payments and escrow can differ. Review a Loan Estimate with your lender.
Understanding homeownership costs — CFPB ↗