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Berkshire Hathaway HomeServices California Properties Berkshire Hathaway HomeServices California Properties
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19935 Camino De Rosa Walnut, CA 91789
$1,588,000 4 beds, 4 baths
2, 473 sqft
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Berkshire Hathaway HomeServices California Properties 11828 Rancho Bernardo Rd, Ste 210
San Diego, CA 92128
888-995-7575
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Agent Remarks

Rare NextGen in-law living in Walnut! This Spanish-style home offers a flexible NextGen in-law suite - perfect for multi-generational living or guests - plus 4 bedrooms, 3.5 bathrooms, 2,473 sq ft, a 3-car garage and gated RV parking, all on an approx. 19,606 sq ft lot, one of the largest in this established Walnut Valley Unified School District neighborhood. Completed in 2019, it lives like new construction: a private courtyard with an outdoor fireplace, approx. 11-ft ceilings, open living and dining areas, a kitchen with a large center island, a low-maintenance artificial turf front yard, and a backyard pergola patio. Built green and smart with whole-house spray foam insulation and an owned, fully paid-off solar system (ground-mounted, no lease and no monthly solar payments) - per the seller, AC is rarely needed in summer. No HOA, no Mello-Roos, and a low total tax rate of approx. 1.2%. Bonus: plans for a proposed detached 1,200 sq ft ADU (2 bd / 3 ba plus a 218 sq ft covered patio) are in application with the City of Walnut, and the rear-yard site is already graded and leveled.

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# OC26237821
List price is $1,588,000
HOA Fee is $0.00
Beds: 4
Baths: 4 (3 full) (1 half)
Outside fireplaces
Built in 2018
2,473 sqft
2 stories
0.45 acres
Lot size: 0.4501
County: Los Angeles
Interior features: In-Law Floorplan,Open Floorplan,Bedroom on Main Level,Primary Suite,Walk-In Closet(s)
Parking description: Boat,Concrete,Driveway,RV Gated,RV Access/Parking
Lot description: ZeroToOneUnitAcre
Heating/cooling: Central Air
Heating description: Solar
MLS area: 668 - Walnut

Last Updated: 11/9/2026

 Find more Walnut homes and real estate

 Find more homes in 91789 zip code

This listing belongs to the 668 - Walnut MLS area

Lat/Long: 34.006838, -117.867327.
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Listing Agent: Ying Wang
Lic#: 02055348
Broker: Courtesy of Universal Elite Inc.

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Area Overview

Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

Community Characteristics:

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White/Blue Collar Jobs

Population by Gender

Hispanic/Non-Hispanic Population

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Berkshire Hathaway HomeServices California Properties 11828 Rancho Bernardo Rd, Ste 210
San Diego, CA 92128
888-995-7575
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