Best Room Addition Contractors in America — 2026 Rankings

Expanding a home's footprint with new rooms, bump-outs, or second-story additions.

Top Room Addition Contractors

  1. #1 — TDS Woodcraft Score: 27/100

    Staten Island, NY — Custom Woodworking | Staten Island NY | TDS Woodcrafts Inc

    Services: Whole Home Renovation, Room Addition. View full profile →

How We Rank Home Remodeling Contractors

Our Guide Score (0–100) combines Google rating (35%), review volume (20%), web and portfolio presence (20%), profile completeness (15%), professional credentials like CGR/CAPS/NARI (5%), press recognition (3%), and years of experience (2%). Read our full methodology →

Frequently asked questions

Who is the best room addition contractor in America?

TDS Woodcraft is currently the #1 ranked room addition contractor nationwide. See the full ranked list above.

How are room addition contractors ranked?

Our Guide Score (0–100) combines Google rating (35%), review volume (20%), web and portfolio presence (20%), profile completeness (15%), professional credentials like CGR/CAPS/NARI (5%), press recognition (3%), and years of experience (2%). No paid placement.