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Costa Mesa Contractor Cost Ranges (2026)
Typical project costs in Costa Mesa, adjusted for the local market (1.08× LA County baseline). Ranges reflect labor, materials, permits, and contractor overhead — not furniture or owner-supplied items.
Contractor costs in Costa Mesa run about 8% above the LA County baseline — shaped by South Coast Plaza-corridor demand and remodel-heavy market.
| Project Type | Low | Average | High |
|---|---|---|---|
| Kitchen Remodel | $38k | $70k | $130k |
| Bathroom Remodel | $16k | $33k | $60k |
| ADU Construction | $162k | $270k | $432k |
| Room Addition | $87k | $162k | $324k |
| Garage Conversion | $43k | $76k | $130k |
| Roof Replacement | $11k | $20k | $38k |
| Pool Construction | $60k | $92k | $162k |
| Pool Remodel | $13k | $27k | $54k |
| Deck & Patio | $9k | $20k | $43k |
| Solar Installation | $16k | $27k | $49k |
| HVAC Replacement | $9k | $15k | $27k |
| Window Replacement | $9k | $20k | $38k |
| Foundation Repair | $13k | $27k | $65k |
Estimates updated 2026. Final pricing depends on scope, finishes, site conditions, and permit complexity. Want a precise number? Request bids below.
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