3311 La Costa Ave
Carlsbad, CA, 92009
$2,449,900
5 Beds
3 Baths
4,122 SqFt
0.38 Acres
Add
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Exquisite 5-Bedroom, 3-Bathroom La Costa Retreat with Two Permitted Bonus Living Spaces. Nestled in the heart of La Costa—one of Carlsbad’s premier neighborhoods—this exceptional residence sits on a generous large lot, offering rare privacy, beautifully landscaped grounds, and remarkable versatility for multi-generational living, extended family, guests, home offices, or creative studios. The elegantly updated main home features 5 bedrooms and 3 bathrooms, graced with new hardwood flooring throughout, a gourmet kitchen appointed with premium stainless steel appliances, custom cabinetry, and French doors that open seamlessly to an expansive entertainer’s patio—perfect for sophisticated indoor-outdoor gatherings. Adding extraordinary value are two fully permitted bonus living spaces. Each is thoughtfully attached yet independently accessible with their own private entrances, kitchens, bathrooms, and comfortable 1-bedroom layouts—ideal for in-laws, adult children, long-term guests, a private office, gym, or any lifestyle need requiring separate, self-contained quarters. The expansive master suite offers a serene sanctuary with generous proportions, abundant natural light, and direct access to a large private patio—an intimate retreat for morning coffee or evening relaxation. This home is designed for effortless entertaining, with seamless flow from indoor spaces to the sprawling outdoor patios and grounds. Located just moments from La Costa’s finest restaurants, top-rated schools, pristine beaches, and amazing amenities.

Property Details

Price:
$2,449,900
MLS #:
250045725SD
Status:
Active
Beds:
5
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
La Costa
Neighborhood:
92009carlsbad
Listed Date:
Dec 13, 2025
Finished Sq Ft:
4,122
Lot Size:
16,500 sqft / 0.38 acres (approx)
Year Built:
1980
92009 – Carlsbad92009carlsbadLa Costa

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Schools

Interior

Appliances
DW, GD, CO, CT
Bathrooms
3 Full Bathrooms
Cooling
CA
Heating
FA, GAS
Laundry Features
GAS, IR

Exterior

Construction Materials
STC
Parking Spots
4
Roof
CMP

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Carlsbad as of Jan 10, 2026
140
Single Family Listed
57
Avg DOM
538
Avg $ / SqFt
$1,432,248
Avg List Price

Property Summary

    Located in the La Costa subdivision, 3311 La Costa Ave Carlsbad CA is a Single Family for sale in Carlsbad, CA, 92009. It is listed for $2,449,900 and features 5 beds, 3 baths, and has approximately 4,122 square feet of living space, and was originally constructed in 1980. The current price per square foot is $594. The average price per square foot for Single Family listings in Carlsbad is $538. The average listing price for Single Family in Carlsbad is $1,432,248.

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3311 La Costa Ave
Carlsbad, CA