Additions and Remodels Cost in Irvine, CA in 2026
Most Additions and Remodels projects in Irvine, CA cost between $61,000 and $285,000. The typical price is $130,000.
Labour and materials in Irvine run about 27% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Whether the addition needs its own foundation and roof tie-in
- Adding a bathroom or kitchen (plumbing and electrical runs)
- Structural work to the existing wall being opened up
- Local permit and inspection requirements
Usually included
- Framing, roofing and siding to match
- Electrical rough-in and finish
- Insulation, drywall and paint
- Flooring and trim
Usually extra
- Permits and architectural drawings
- Site work or tree removal
- High-end fixtures and appliances
Unit prices in Irvine, CA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $155 |
| Mid-range | $330 |
| High-end | $710 |
Home addition and remodeling contractors in Irvine, CA
Businesses listed on Google near Irvine, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Sea Pointe Design & Remodel
4.9(202 reviews)
576 Wald, Irvine, CA 92618
DYM Builders Group
5.0(109 reviews)
2372 Morse Ave #987, Irvine, CA 92614
Builderwell Design & Build
5.0(61 reviews)
9641 Irvine Center Dr, Irvine, CA 92618
DejaVu Remodeling
5.0(48 reviews)
455 Shadow Oaks, Irvine, CA 92618
Dreamcatcher Remodeling
4.9(49 reviews)
96 Decker, Irvine, CA 92620
General Home Renovation
4.8(53 reviews)
3143 Spectrum, Irvine, CA 92618