Best Room Addition Contractors in America — 2026 Rankings
Expanding a home's footprint with new rooms, bump-outs, or second-story additions.
Rankings last updated April 16, 2026
No ranked contractors yet. Submit your firm.
How We Rank Home Remodeling Contractors
Our Guide Score (0–100) combines Google reviews (25%), professional credentials like CGR/CAPS/NARI certification (20%), press recognition (15%), review volume (15%), web and portfolio presence (10%), years of experience (10%), and profile completeness (5%). Read our full methodology →
Frequently asked questions
Who is the best room addition contractor in America?
We're still compiling rankings for room addition contractors. Check back soon.
How are room addition contractors ranked?
Our Guide Score (0–100) combines Google reviews (25%), credentials (20%), press recognition (15%), review volume (15%), web presence (10%), experience (10%), and profile completeness (5%). No paid placement.