233 N Platina
Diamond Bar, CA 91765
Listing broker / agent: Realty One Group West · James Madden · 714-599-4878 · CRMLS
MLS # OC26241109 · Last checked Nov 14, 2026 18:51 UTC
About this property
Welcome to 233 N Platina Drive, an extraordinary 5-bedroom, 3-bathroom residence offering breathtaking panoramic mountain and hillside views, sophisticated designer finishes, and exceptional indoor-outdoor living. Situated on an expansive lot in a desirable end-home location, this stunning property has undergone a complete transformation, with all renovation work completed under permits. Major improvements include complete electrical rewiring, upgraded plumbing, all-new windows, a new air conditioning system, and beautiful white oak flooring. The redesigned interior blends contemporary elegance with natural warmth, featuring white oak cabinetry, designer finishes, and beautifully remodeled bathrooms. At the heart of the home is a spectacular kitchen featuring custom white oak cabinetry, elegant countertops, a generous center island, and stylish fixtures. Spacious living areas are filled with natural light and flow seamlessly through an oversized bifolding glass door to the outdoor entertaining spaces. The thoughtfully designed floor plan features five spacious bedrooms and three full bathrooms, including a convenient downstairs bedroom and full bath, ideal for guests, multigenerational living, or a private home office. Upstairs, the primary suite offers a luxurious spa-inspired bathroom featuring an expansive walk-in shower, elegant finishes, and a relaxing retreat-like atmosphere. Step outside to discover an expansive backyard showcasing spectacular panoramic mountain and hillside views, creating an unforgettable setting for entertaining, outdoor dining, or peaceful evenings. The grounds have undergone a complete landscape transformation, incorporating drought-friendly elements and generous outdoor living space. Additional highlights include RV parking, an exceptionally large lot, and a desirable end-home setting offering openness and privacy. Residents also enjoy access to the Diamond Point Club, featuring a swimming pool, tennis and pickleball courts, clubhouse facilities, and recreational amenities. Combining extensive permitted renovations, upgraded major systems, designer interiors, an expansive lot, and remarkable views, 233 N Platina Drive offers a rare opportunity to own a beautifully reimagined home in Diamond Bar. Move-in ready and designed for modern Southern California living!
Property details
- MLS number
- OC26241109
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 5 Beds • 3 Baths
- Living area
- 2,240 Sq Ft
- Lot size
- 0.3844 acres
- County
- Los Angeles
- Year built
- 1964
- Stories
- 2
More property detailsCollapse
Listing
- Days on market
- 4
Building
- Year built
- 1964
- Year built source
- Public Records
- Stories
- 2
- Building stories
- 2
- Levels
- Two
- Entry level
- 1
- Living area source
- Assessor
Bathrooms
- Full bathrooms
- 3
Rooms & interior
- Main-level bedrooms
- 1
- Main-level bathrooms
- 1
- Rooms
- Bedroom, Entry Foyer, Family Room, Kitchen, Other
- Interior features
- Bedroom On Main Level, Walk In Closets
- Flooring
- Wood
- Heating
- Central
- Cooling
- Central Air, Energy Star Qualified Equipment
- Fireplace
- Living Room
- Laundry
- Gas Dryer Hookup, In Garage
Exterior & parking
- Total parking spaces
- 2
- Garage spaces
- 2
- Attached garage
- Yes
- Pool
- None, Association
- Lot features
- Close To Clubhouse, Corner Lot, Drip Irrigation Bubblers, Gentle Sloping, Sprinklers In Front, Sprinklers Timer
- Lot size source
- Assessor
- Property outlook
- Valley
Utilities & community
- Water
- Public
- Sewer
- Public Sewer
- Community features
- Curbs, Foothills, Hiking, Storm Drains, Street Lights
- Association amenities
- Clubhouse, Outdoor Cooking Area, Barbecue, Picnic Area, Pickleball, Pool, Recreation Room, Tennis Courts
Fees & lease terms
- Association
- Yes
- Association fee
- $40.00
- Association fee frequency
- Monthly
Schools reported in the listing
- High school district
- Pomona 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 |
|---|---|---|
| Golden Springs Elementary (school website, opens in a new tab) Pomona Unified · Diamond Bar | Not reported | 0.4 mi |
| Lorbeer Middle (school website, opens in a new tab) Pomona Unified · Diamond Bar | 7–8 | 0.7 mi |
| Armstrong Elementary (school website, opens in a new tab) Pomona Unified · Diamond Bar | Not reported | 0.8 mi |
| Ranch Hills Elementary (school website, opens in a new tab) Pomona Unified · Pomona | Not reported | 1.4 mi |
| Pantera Elementary (school website, opens in a new tab) Pomona Unified · Diamond Bar | K–6 | 1.4 mi |
| Diamond Ranch High (school website, opens in a new tab) Pomona Unified · Pomona | 9–12 | 1.7 mi |
| International Polytechnic High Los Angeles County Office of Education · Pomona | 9–12 | 1.8 mi |
| Kellogg Polytechnic Elementary (school website, opens in a new tab) Pomona Unified · Pomona | Not reported | 2.0 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
- $1,249,000
- MLS-reported original asking price
- $1,269,000
- MLS-reported previous asking price
- $1,269,000
- MLS-reported last price change
- 2026-11-10 12:46 UTC
| Observed (UTC) | Asking price |
|---|---|
| Nov 10, 2026 20:59 | $1,249,000 |
| Nov 10, 2026 19:05 | $1,269,000 |
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
32 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-11-14 20:29 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 ↗