Zoning & Development Potential: How to Research Building Restrictions, ADU Opportunities, and Future Value

Zoning determines what you can build, how you can use the property, and future development potential. Critical research before purchase: (1) Zoning district classification (residential, commercial, mixed-use), (2) Dimensional requirements (setbacks, height limits, lot coverage, FAR), (3) Allowed uses (single-family, multi-family, home business, short-term rentals), (4) ADU/in-law apartment eligibility, (5) Subdivision potential, (6) Historic district restrictions, (7) Wetlands/conservation buffers, (8) MBTA Communities compliance. Zoning violations discovered after purchase cost $5,000-$50,000+ to remedy or prevent intended use. ADU-eligible properties command 10-15% premium. Properties in MBTA Communities multi-family overlay zones may have significant upzoning value (ability to subdivide or build multi-unit).