Commonwealth Building Inc
Decks & Porches in Rockland, MA · ★ 5.0 Google rating
Google rating as of October 2026. How ratings work here
- Address
- 302 Weymouth St, Rockland, MA 02370
- Phone
- (617) 770-0050
- Website
- https://combuild.com ↗
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About Commonwealth Building Inc
Commonwealth Building Inc is a Decks & Porches contractor based in Rockland, Plymouth County, Massachusetts, at 302 Weymouth St, Rockland, MA 02370. It has a Google rating of 5.0 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.
Service area
Based in Rockland, Commonwealth Building Inc is within a short drive of Weymouth (4 mi), Hanover (4 mi), Abington (4 mi), Hingham (5 mi), Holbrook (5 mi) and Norwell (5 mi). Most Massachusetts decks & porches contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.
Hiring a Decks & Porches contractor in Rockland
Rockland Building Department issues deck permits under 780 CMR. The town's 1950s-and-1960s housing stock means inspectors regularly see ledger connections that were nailed rather than through-bolted, and that lack proper flashing. Any deck rebuild or addition permit requires the ledger to be brought into current code compliance. Footings go to 48 inches for frost depth. Guardrails at 36 inches and baluster spacing under 4 inches are required for deck surfaces 30 or more inches above grade.
Rockland sits in the mid-range of Plymouth County pricing. A new 300 to 450 square-foot pressure-treated deck runs $14,000 to $27,000 installed. Composite (Trex, TimberTech) adds $6,000 to $12,000 over PT for the same footprint. Three-season porch additions on Rockland capes and colonials start around $38,000. Labor rates in Rockland are similar to the Abington and Hanover market, which is generally a step below Hingham and Scituate.
Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential decks & porches work; ask for the registration number and check it before paying a deposit.
More on permits, costs, rebates and common questions, plus every other decks & porches contractor serving the town, on the Decks & Porches in Rockland page.
Other Decks & Porches contractors in Rockland
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