Somerville's Relaxed Approach to Solar Energy: What's Allowed

If you live in Somerville or are thinking about moving there, solar energy are one of those things you probably won't think about until they affect you directly. Somerville has 2 specific rules on the books covering different aspects of solar energy, and some of them might surprise you.

HOA Restrictions

MGL c.40A s.3 limits condo and HOA power to block solar in Somerville. Associations can set reasonable rules on placement but not effectively prohibit panels.

Key details: State protection: MGL c.40A s.3. Condo approval: Trust vote or license typical. Permitted rules: Reasonable aesthetics and insurance. Not allowed: Effective prohibition. Best practice: Additional insured and structural report.

Contact your local code enforcement office for specific penalty information.

The rules around hoa restrictions in Somerville lean permissive, but that does not mean anything goes.

Panel Permits

Solar installations in Somerville need ISD building and electrical permits. Most rooftop systems qualify for expedited review and are allowed by right.

Key details: State protection: MGL c.40A s.3 solar access. Permits: Building and electrical from ISD. Expedited: Residential under 10 kW typical. Ground mount: Full zoning review. Historic: HPC approval, rear preferred.

Contact your local code enforcement office for specific penalty information.

The rules around panel permits in Somerville lean permissive, but that does not mean anything goes.

The Bottom Line

Compared to many U.S. cities, Somerville gives residents more room on solar energy. 2 of the 2 rules here are rated permissive. But permissive does not mean unregulated. There are still requirements, and the city does enforce them when violations are reported.

All of the above reflects Somerville's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.