A&A Builder

A&A Builder A&A Builder specializes in ADUs, remodels, new construction, for residential and commercial throughout Orange County.

We are licensed, bonded, insured and carry workers’ compensation to protect our clients and every job site.

29/07/2026

Soil grading in progress! We’re installing the Geogrid and class 2 base for this 1,600 sqft. home addition, following the geotechnical engineer’s specifications.

Planning a home addition or remodel? Call Calvin at 949-803-8000.

28/07/2026

After a week of waiting for the soils engineer’s approval on the next steps due to the damp soil conditions, we’re finally back on site. Today we’re continuing with soil grading and following the soil engineer’s game plan.

Home addition completed! Need more space? We specialize in home additions, ADUs, remodels, and new construction.Calvin 9...
22/07/2026

Home addition completed!

Need more space? We specialize in home additions, ADUs, remodels, and new construction.

Calvin
949-803-8000

English/Vietnamese

21/07/2026

JADU drywall installation is in progress!

Planning to build an ADU, JADU, or remodel your home? I’d be happy to help.

Calvin Lam
949-803-8000

English & Vietnamese

ADU project completed in Fountain Valley!1,000 sqft detached ADU with a 110 sqft front porch• 3 Bedrooms• 2 Bathrooms• 1...
04/07/2026

ADU project completed in Fountain Valley!

1,000 sqft detached ADU with a 110 sqft front porch
• 3 Bedrooms
• 2 Bathrooms
• 10’ Ceilings

Planning an ADU, JADU, home addition, or remodel? Contact Calvin at 949-803-8000 for a free consultation.

03/07/2026

Fountain Valley JADU update!Insulation has been completed. Proper insulation improves energy efficiency, comfort, and helps meet California Title 24 requirements.

Planning an ADU, JADU, home addition, or remodel? Please contact Calvin for a free consultation.

949-803-8000
English/Vietnamese

18/06/2026

Exterior lath work in progress for this home addition project. The water-resistant barrier, metal lath, corner bead, and weep screed are installed and ready for inspection.

For home additions and remodeling projects, please contact Calvin @ 949-803-8000.

English / Vietnamese

12/06/2026

Tustin room addition update! Strap downs are installed and passed inspection. These structural connectors help secure the framing to the foundation and provide added strength against wind and earthquake forces. On to the next phase!

Calvin
949-803-8000
English / Vietnamese

11/06/2026

JADU progress in Fountain Valley! Framing, electrical, plumbing, and HVAC are all coming together. Stay tuned for more updates as we move through the construction process.

For ADU/JADU, home addition, and remodel project, please contact:
Calvin
949-803-8000
English/Vietnamese

11/06/2026

Pool demolition is officially underway for this 1,600 sqft home addition in Fountain Valley!

This project will add a new master bedroom, family room, office, dining area, and two bathrooms. Right now we’re in the pool demolition phase, preparing the site for future grading, foundation work, and construction.

Calvin
949-803-8000
English / Vietnamese

Address


92708, 92728

Opening Hours

Monday 08:00 - 18:00
Tuesday 08:00 - 18:00
Wednesday 08:00 - 18:00
Thursday 08:00 - 18:00
Friday 08:00 - 18:00
Saturday 08:00 - 18:00

Website

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