Licensed CA General Contractor · Veteran-Owned
Remodel & ADU Cost Calculator — Southern California
Ballpark your project in 30 seconds. No login. No email. Just numbers from a licensed builder.
📞 (213) 578-5303 — call or textCommercial door, frame, and hardware projects? Main site →
Budget Tool
Project Budget Calculator
Select your project type, size, and finish level to see your estimated range.
Estimated Budget Range
This is a planning-level estimate based on regional averages. Your actual number depends on your site, scope, permitting, and material selections.
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We'll review your project details and get back to you within one business day.
What Clients Say
Recent Project Reviews
"Reystone Construction did an outstanding job converting our garage into a fully permitted 2-bedroom, 2-bathroom ADU. From the initial consultation to the final walkthrough, the entire process was smooth and professional. Jose and his team were communicative, detail-oriented, and committed to quality at every stage."
"From consultation to the final walkthrough, the team stayed on schedule and within budget. Communication was clear throughout, and the craftsmanship exceeded expectations. Highly recommend for anyone looking for reliable, high-quality construction work."
"Had a great experience with Reystone Construction on a bathroom refresh. The team was professional, on time, and the attention to detail really stood out. Everything was done right the first time. Would definitely hire again."
Google Reviews · 5.0 ★★★★★
Current Project
683 SF Garage Conversion — Los Angeles County
Full conversion from garage to permitted living space. Framing, electrical, plumbing, HVAC, drywall, and finish — documented from day one.
Rough inspections passed. Final inspection pending.
What to Expect
From Calculator to Contract
No deposit required until you approve the scope and sign.
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Get a Real Quote
Residential projects, light commercial, or something else entirely. We'll get back to you within one business day.
(213) 578-5303