12043 Sienna Lane
San Diego, CA, 92128
$999,900
4 Beds
4 Baths
1,806 SqFt
0 Acres
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MLS #260003972SD image #0
Move-in ready and built for today’s lifestyle—why wait for new construction when this one is ready now? Highlights include upgraded flooring throughout and a dedicated EV charging outlet for added convenience. On the first floor of this new three-story townhome is a bedroom with an en-suite bathroom, perfect for a guest suite or home office space. On the second story, an open concept layout combines the kitchen with the living and dining areas, and a deck provides convenient outdoor access. Three bedrooms can be found on the third floor, including the luxe owner’s suite with a private bathroom and dual walk-in closets. Upstairs, the second floor boasts an open-concept layout that seamlessly connects the modern kitchen with the spacious living and dining areas. A private deck extends your living space outdoors—perfect for morning coffee or evening relaxation. The third-floor hosts three generously sized bedrooms, including a luxurious owner’s suite complete with dual walk-in closets and a private bathroom. Additional highlights include upgraded flooring throughout, a designer backsplash in the kitchen. Ashton is a collection of brand-new townhomes for sale within The Trails masterplan in San Diego, CA. Residents enjoy a great central location and easy access to I-15 and 56 freeways for simplified commutes and getting around. The community is conveniently close to shopping at Carmel Mountain Ranch and UTC, 4S Ranch, Del Sur and more. Students will attend schools within the Poway School District.

Property Details

Price:
$999,900
MLS #:
260003972SD
Status:
Active
Beds:
4
Baths:
4
Type:
Townhouse
Subdivision:
Carmel Mountain Ranch
Neighborhood:
92128ranchobernardo
Listed Date:
Feb 19, 2026
Finished Sq Ft:
1,806
Year Built:
2025
Newconstruction92128 – Rancho Bernardo92128ranchobernardoCarmel Mountain Ranch

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Schools

Interior

Appliances
DW, GD, MW, RF, GO
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Heating
FA, GAS
Laundry Features
GE

Exterior

Construction Materials
STC
Parking Spots
2

Financial

HOA Fee
$479
HOA Frequency
MO

Map

Community

Market Summary

Current real estate data for Townhouse in San Diego as of Mar 05, 2026
199
Townhouse Listed
54
Avg DOM
625
Avg $ / SqFt
$920,235
Avg List Price

Property Summary

    Located in the Carmel Mountain Ranch subdivision, 12043 Sienna Lane San Diego CA is a Townhouse for sale in San Diego, CA, 92128. It is listed for $999,900 and features 4 beds, 4 baths, and has approximately 1,806 square feet of living space, and was originally constructed in 2025. The current price per square foot is $554. The average price per square foot for Townhouse listings in San Diego is $625. The average listing price for Townhouse in San Diego is $920,235.

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12043 Sienna Lane
San Diego, CA