21833 Onawa Place Diamond Bar, CA $ 1,258,000
21833 Onawa Place
$ 1,258,000
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21833 Onawa Place

Diamond Bar, CA, 91765
$ 1,258,000
Bedrooms4 Baths2.0 Sq 1,881

Monthly Estimate*

$ 7,746

Listed by Pinnacle Real Estate Group
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Single Family Home for sale in Diamond Bar, CA

for $1,258,000 with 4 bedrooms and 2 full baths. This 1,881 square foot home was built in 1964 on a lot size of 0.66.

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 Bar’s 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 home’s 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 both style and function. Step outside to an exceptionally large and private backyard offering endless possibilities, including room for a future ADU, pool, outdoor kitchen, California room, or expanded garden — ideal for multi-generational living, rental income potential, or creating your dream outdoor retreat. The long driveway and 3-car attached garage provide abundant parking and storage, with additional space for trailer or RV parking. Ideally located less than a mile from top-rated Evergreen Elementary and Diamond Bar High School, and just minutes from Chaparral Middle School, close to shopping, dining, parks, and freeway access, this home delivers the perfect balance of tranquility and convenience. Completely remodeled. Large lot with ADU potential. Single-story homes on cul-de-sacs in Diamond Bar are rare — and this one makes a statement.

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Single Family Active

Price

$ 1,258,000

Bedrooms

4

Full Bath

2

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.66

Year Built

1964

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

WS26009062

Days on Market

22

Features
General
Living Area 1881
Sewer Public Sewer
Heating Central
Cooling Central Air
Possession Close Of Escrow
Roof Composition
Appliances Dishwasher Disposal Gas Range Microwave Tankless Water Heater Water Heater
HOA Fee 0
Garage Spaces 3
Pool Features None
Year Built 1964
View Neighborhood
Stories Count 1
Levels One
Property Subtype Single Family Residence
Community Features Curbs Hiking Street Lights Sidewalks
County Los Angeles
New Construction false
Property Type Residential
HOA false
Attached Garage true
Garage Y/N true
Full Baths 2
Special Listing Conditions Standard
Status Active
Directions 57 Fwy exit Pathfinder Rd left on S Diamond Bar Blvd and left on Morning Canyon Rd
High School Diamond Bar
City Diamond Bar
Entry Location Front Door
Senior Community Y/N false
High School District Walnut Valley Unified
Open Parking Spaces 3
Number Of Units Total 1
MLS Area 616 - Diamond Bar
Lot Size Units Square Feet
Lot Size Square Feet 28749
Listing Terms Cash Cash to New Loan Conventional
Spa Features None
Property Attached Y/N false
Land Lease Y/N false
Current Financing None
Additional Parcels Y/N false
Lease Considered Y/N false
Structure Type House
Living Area Units Square Feet
Standard Status Active
Occupancy Type Vacant
Year Built Source Assessor
Tax Lot 22
Virtual Tour https://www.zillow.com/homedetails/21833-Onawa-Pl-Diamond-Bar-CA-91765/136468230_zpid/
Property Sub Type Additional Single Family Residence
Expected Active Date 2026-01-15
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Interior
Interior Amenities All Bedrooms Down Bedroom on Main Level Main Level Primary Primary Suite Walk-In Closet(s)
Flooring Wood
Fireplace Features Living Room
Total Stories 1
Common Walls No Common Walls
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Laundry Features Washer Hookup Gas Dryer Hookup Laundry Room
Total Bedrooms 4
Entry Level 1
Main Level Bedrooms 4
Main Level Bathrooms 2
Total Baths 2
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Exterior
Parking Features Driveway Garage
Lot Features Back Yard Cul-De-Sac Front Yard Gentle Sloping
Water Source Public
Total Parking 6
Lot Size Area 28749
Foundation Details Slab
Spa false
Lot Size Acres 0.66
Private Pool false
Lot Size Source Assessor
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* Excluded Features
List By
Pinnacle Real Estate Group

Broker

alexdong75@gmail.com

Email

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$7,746
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$7,746
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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
0 Elementary School
0 Middle School
Diamond Bar High School High School
Pricing History
DatePricePrice ChangeDescription
1/15/2026$1,258,000 Listed Price

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21833 Onawa Place, Diamond Bar, CA, 91765 is a Single Family Home for sale at $1,258,000 with 1,881 sqft and a lot size of 0.66. 21833 Onawa Place has 4 bedrooms, 2.0 baths, and was built in 1964. The property's zip code is 91765 which is in Diamond Bar, CA