21833 Onawa Place, Diamond Bar, CA 91765 - Photo 1 of 38, Diamond Bar, CA
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Sold$1,320,000on Feb 27, 2026

21833 Onawa Place, Diamond Bar, CA 91765

Pinnacle Real Estate Group
MLS® WS26009062
4Beds
2Baths
1,881Sq Ft
6Parking
1964Built
57Days Listed
1Lot Sq Ft

About This Property

Welcome to 21833 Onawa Pl in Diamond Bar! A completely reimagined, turnkey single-story residence tucked away on a peaceful cul-de-sac in the highly sought-after Walnut Valley Unified School District. Surrounded by mature trees and set on over half an acre, this home offers privacy, space, and modern comfort in one of Diamond Bars most desirable neighborhoods. This stunning 4-bedroom, 2-bath home has been thoughtfully remodeled from top to bottom, features brand new interior and exterior paint, creating a fresh, clean, and modern look from the moment you arrive. Step through the double-door entry into a bright, open living space filled with natural light, enhanced by upgraded flooring, recessed lighting, and a cozy fireplace perfect for both everyday living and entertaining. The living room flows seamlessly into the dining area and family room, where large windows and a newer sliding door frame views of the expansive backyard. The fully remodeled kitchen is both stylish and functional, offering ample cabinetry, sleek modern finishes, brand new appliances, and backyard views. An individual laundry room with side-yard access adds to the homes practical layout. The primary suite serves as a private retreat with generous closet space and a beautifully updated en-suite bathroom. Three additional bedrooms provide flexibility for a growing family, guests, or a home office. Every detail reflects quality craftsmanship and modern design, including updated bathrooms, newer windows and doors, newer roof, re-routed plumbing, tankless water heater, and numerous upgrades that enhance bot

CHEN DONGPinnacle Real Estate Group909-500-8877MLS® WS26009062

Property Location

Map

Property Details

Property Type
Detached
Bedrooms
4
Bathrooms
2
Building Area
1,881 Sqft
Living Area
1,881 sqft
Year Built
1964
Stories
1.0
Status
Sold
Days on Market
57
Cumulative Days on Market
44
Original Price
$1,258,000
MLS® Number
WS26009062

Location & Neighborhood

What's nearby 21833 Onawa Place, Diamond Bar, CA 91765

Nearby Schools

POI data updated 1/31/2026

Diamond Bar Market Snapshot

156

Active Listings

$1.2M

Median Price

74

Avg Days on Market

Last updated: Mar 2, 2026

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Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.

$1,258,000