LJ-21 Construction and Design Studio Inc.

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LJ-21 Construction and Design Studio Inc. We specialize in General Construction for all your needs. We are a Design Build Company. We always try our best to work with our clients budget.

We do ADU's and JADU's Conversions, Additions, Remodels, all the works. LJ-21 CONSTRUCTION & Design Studio specializes in ADU's, JR ADU's Conversions, Renovations, Remodels, Additions, Conversions, New Construction and in creating construction documents for any type of project.

3 Bedroom 2 Bathroom1,000 SF ADU
02/04/2026

3 Bedroom 2 Bathroom
1,000 SF ADU

Detention Basin Installation for drainage1,200 ADU + 2 CAR GARAGE on the works
10/01/2025

Detention Basin Installation for drainage
1,200 ADU + 2 CAR GARAGE on the works

2-Story Buildings & 2-story AdditionMulti-FamilyCreate the space you've always wanted with a custom ADU (Accessory Dwell...
09/09/2025

2-Story Buildings & 2-story Addition
Multi-Family

Create the space you've always wanted with a custom ADU (Accessory Dwelling Unit), a seamless addition to your home.
Whether you're looking for an affordable way to add a rental unit, a private home office, or a comfortable space for family, our affordable design and build solutions can make it a reality.
This isn't just a project; it's an investment in your home and your lifestyle.
Ready to expand? Let's build something great together.

# ADU

Garage Conversion into 1 Bedroom 1 Bathroom Unit
08/30/2025

Garage Conversion into 1 Bedroom 1 Bathroom Unit

Wood Railing with Concrete Stairs
08/27/2025

Wood Railing with Concrete Stairs

2 Bedroom 1 Bathroom Detached ADU
08/22/2025

2 Bedroom 1 Bathroom Detached ADU

Master Bathroom RenovationLaundryFlooring
08/21/2025

Master Bathroom Renovation
Laundry
Flooring

400 SF - 1 Bedroom, 1 Bath ADU
08/11/2025

400 SF - 1 Bedroom, 1 Bath ADU

Garage Conversion & 2nd Story Addition - Additional 2 units to existing Dwelling
06/18/2025

Garage Conversion & 2nd Story Addition -
Additional 2 units to existing Dwelling

2-Car Garage with 2nd Story ADU
04/26/2025

2-Car Garage with 2nd Story ADU

Address

LIC # 1119171
Chula Vista, CA
91911

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

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