Best Basement Conversion Contractors — 2026 Rankings

Transforming unfinished basements into living space, home theaters, or in-law suites.

No ranked contractors yet. Submit your firm.

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 →