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Decks & Porches · Plympton, MA

Decks & Porches in Plympton, Massachusetts

Compare contractors serving Plympton, Plymouth County — call them directly, or send one request and let the ones who want the job come to you.

30 contractors serving Plympton.

Contractors serving Plympton

Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors

Decks & Porches in Plympton — what to know

Rebates & incentives

Decks are not eligible for Mass Save rebates. Plympton is in Eversource territory, but that has no effect on deck project costs or permitting. The main regulatory concern for decks in Plympton is proximity to wetland resource areas, which are common throughout Plymouth County's glacially scoured landscape. Silver Lake and its tributaries, along with numerous cranberry bogs and low-lying areas, create 100-foot buffer zones under the Wetlands Protection Act. A deck within any of those buffers requires a Notice of Intent with the Plympton Conservation Commission before the building department will issue a permit.

Permits in Plympton

The Plympton Building Department issues deck permits under 780 CMR. Plymouth County frost depth requires footings at 48 inches below grade. The town's 45-year-old housing stock includes some decks built in the 1980s and early 1990s with ledgers that predate current flashing requirements. Any building permit for deck work will require ledger connections to meet 780 CMR standards for through-bolting and flashing. Guardrails at 36 inches and baluster spacing under 4 inches are required for elevated decks. Small-town building departments like Plympton typically turn permits around in two to three weeks.

Where a permit is required, decks & porches work in Plympton is filed with the Plympton Building Department; see the Plympton Building Department’s contact, portal and who pulls the permit on permits.llc.

Typical project cost

Plympton is in the Plymouth County pricing band, somewhat below the coastal South Shore towns like Duxbury and Plymouth. A new 300 to 400 square-foot pressure-treated deck runs $13,000 to $23,000 installed. Composite decking (Trex, TimberTech) adds $5,000 to $10,000 over pressure-treated for the same footprint. The larger rural lots in Plympton often support bigger deck footprints than typical suburban towns, which can push total project costs higher. Three-season porches start around $34,000 in this market.

About Plympton homes

Plympton is a small Plymouth County town of 2,923 residents with 1,237 housing units and a median home age of about 45 years. The housing stock is dominated by 1970s and 1980s colonials and capes on rural lots, many with significant land. Plympton is largely undeveloped compared to its neighbors Kingston and Middleborough, with farmland and woodlands buffering most residential properties. Silver Lake, straddling the Plympton-Halifax-Kingston line, is a notable water resource. The town has no dense village center, and most decks here serve single-family homes with generous outdoor space.

Common questions — Decks & Porches in Plympton

My Plympton property is near a cranberry bog. Do I need Conservation Commission review for a deck?
Cranberry bogs in Plymouth County are generally wetland resource areas under the Wetlands Protection Act. Any deck within 100 feet of a bog, pond, or tributary requires a Notice of Intent filed with the Plympton Conservation Commission. Check the wetland delineation on your parcel before finalizing the deck placement.
What is the footing depth requirement for decks in Plympton?
Plymouth County frost depth requires footings at 48 inches below grade. Concrete Sonotubes at that depth are standard, and the building inspector will check footing depth before framing proceeds.
My 1980s Plympton colonial has an old deck. Do I need a permit to replace the boards?
Replacing decking boards only (no structural work) may not require a permit in some cases, but replacing the frame, ledger, or footings definitely does. Check with the Plympton Building Department to confirm what scope triggers permitting, since a full structural review at permit time will also flag any non-compliant railing or ledger conditions.
What is the railing height requirement for a deck in Plympton?
Under 780 CMR, guardrails on one- and two-family homes must be at least 36 inches tall with balusters spaced less than 4 inches apart. These are among the most common items flagged by building inspectors during deck reviews.
How do I choose between composite and pressure-treated decking for my Plympton property?
On a shaded, moist Plymouth County lot, composite or PVC decking resists the moisture and mold that can accelerate wear on pressure-treated wood. Pressure-treated is a solid cost-effective choice for sunnier, drier exposures and keeps the upfront cost lower. Your contractor should assess sun exposure and drainage at the site before recommending.

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