Room Addition Cost Calculator - Simpsonville & Upstate SC
C. Scott Burch
Owner & Lead Contractor
35+ years | 23 room additions completed
Last updated
Apr 17, 2026
Home Addition Cost Calculator
Plan your home addition project with competitive local pricing. From simple room additions to luxury master suites with transparent cost breakdowns for all factors.
Pricing Data Updated: April 2026 — Reflects current Upstate SC market rates, material costs, and labor pricing.
Budget Planning Tool
This calculator uses local market pricing with transparent 22.5% overhead and profit. Final pricing depends on actual site conditions, material selections, permit requirements, and scope verification. Use as a planning range, then schedule a site visit for a detailed written estimate.
Choose Your Project Type
Size & Location
Project Factors
Optional Add-Ons
Your Estimate
This is a planning estimate only. Actual pricing depends on site inspection, material selections, structural requirements, and scope verification. Schedule a free consultation for an accurate quote.