Deck / Patio Permit Requirements in Weymouth, MA
MA 9th Edition Code. Director Jason Harris.
When you DON'T need a permit
Freestanding decks not more than 30 inches above grade are exempt from a building permit per IRC R105.2.
Source: City of Weymouth Code / MA 10th Edition / 2021 IRC
When you DO need a permit
Attached decks require a building permit even if under 30 inches, as the ledger board attachment affects the dwelling structure.
Estimated fee: $100 – $350
Typical timeline: About 2 weeks
Source: City of Weymouth Code / MA 10th Edition / 2021 IRC
Decks more than 30 inches above grade require a building permit with plans showing footings, structural connections, and guardrails.
Estimated fee: $150 – $500
Typical timeline: About 2 weeks
Source: City of Weymouth Code / MA 10th Edition / 2021 IRC
Covered decks or those over 300 sq ft require a building permit and may trigger additional zoning review.
Estimated fee: $200 – $600
Typical timeline: About 3 weeks
Source: City of Weymouth Code / MA 10th Edition / 2021 IRC
Deck / Patio Permit Costs: Weymouth vs. Nearby
Weymouth comes in on the low side for Massachusetts. You're looking at $100 – $600 here, compared to the state average of $161 – $532.
| City | Estimated Fee |
|---|---|
| Weymouth | $100 – $600 |
| Boston | $120 – $480 |
| Boston | $180 – $720 |
| Boston | $300 – $960 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.
Zoning & HOA Considerations
Decks may be subject to zoning setback and lot coverage requirements. Check with your local planning department before building near property lines.
If you live in an HOA community: many HOAs restrict deck materials, colors, size, and placement. Review your CC&Rs and submit an architectural review request before applying for a building permit. HOA approval can take 1–6 weeks.
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Frequently Asked Questions
Estimated permit fees for Deck / Patio projects in Weymouth, MA range from $100 – $350. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Deck / Patio projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Weymouth can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Deck / Patio permits in Weymouth is About 2 weeks. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Deck / Patio Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Deck / Patio Guide →