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Room Addition & Framing
A 420 sq ft addition adding a fourth bedroom and en-suite bath, tied into the existing roofline and HVAC.
Turlock, CA16 weeks$142,000
Scope of work
What we did.
- Engineered plans and county permitting
- Foundation, framing, and roof tie-in
- HVAC extension and full electrical
- En-suite bathroom build-out
- Exterior stucco and paint match
Materials used
Framing
Kiln-dried Douglas fir, engineered headers
Roofing
Architectural composition shingle, color matched
Windows
Dual-pane vinyl, Title 24 compliant
Insulation
R-15 walls / R-38 attic
Photo gallery
The build, start to finish.
Timeline
16 weeks, phase by phase.
- Weeks 1–4Plans & engineering
Architectural drawings and structural calcs.
- Weeks 5–8Permitting
County plan check and permit issuance.
- Weeks 9–10Foundation
Excavation, forms, pour, and cure.
- Weeks 11–13Framing & dry-in
Walls, roof tie-in, windows, roofing.
- Weeks 14–15Rough-in & drywall
Electrical, plumbing, HVAC, insulation, drywall.
- Week 16Finishes
Paint, flooring, trim, final inspection.
Budget breakdown
Where the $142,000 went.
Framing & structure26%
Foundation, walls, roof
Labor & management22%
Crew and supervision
Mechanical/electrical/plumbing18%
HVAC extension, panel work
Finishes17%
Drywall, paint, flooring, trim
Exterior10%
Stucco, roofing, paint match
Plans & permits7%
Engineering and county fees
Percentages are approximate and specific to this project. Every estimate from Chadha Construction is itemized in writing before work begins.
“The addition looks like it was always part of the house. That was the whole goal.”
Homeowner, Turlock
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