For sale · Active

233 N Platina

Diamond Bar, CA 91765

$1,249,000
Bedrooms & bathrooms5 Beds • 3 Baths
Living area2,240 Sq Ft
Lot size0.3844 acres
Property typeSingle Family Residence
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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 detailsExpandCollapse

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.

Explore the area

Nearby public schools

Within 5 miles

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.

Nearby California public school locations, sorted by distance
School / districtGradesDistance
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
Asking prices observed by this listing service
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.

Local inventory snapshot

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.

Available listings122Current authorized inventory
Median asking price$1,058,950122 listings with a valid price
Median asking price / sq ft$555.56115 listings with confirmed sq ft
Median days on market42122 listings with MLS-reported days

Observed price activity · past 30 days

Listings with a reduction32
Listings with an increase0

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 20:56 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.

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Loan assumptions and ownership costs

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