Deck Replacement in Yarmouth, Maine

Many Yarmouth decks were built during the 1970s and 1980s building boom that nearly doubled the town's housing, which puts them past the working life of the pressure-treated lumber and hardware used then. Common problems are ledger boards nailed directly to rim joists without flashing, footings that are too shallow or rest on grade, and railings too low or too widely spaced to meet current code. On island and shore lots, corroded fasteners and joist hangers are often worse than the boards themselves.

Cardinal Exteriors replaces the whole deck from the footings up rather than patching: the old structure is removed, the house rim is inspected and repaired, a new ledger is lag-bolted and flashed, and new piers go below Yarmouth's 48-inch frost line. A replacement is treated as new construction for permitting, so apply to the Code Enforcement Office and allow for its average 30-day review. On a shoreland lot, rebuilding in the same footprint is usually simpler than enlarging, since expansions near the water fall under shoreland rules. The new deck can be composite, PVC, pressure-treated or cedar.

The Census Bureau's 2020-2024 American Community Survey estimates about 3,600 homes in Yarmouth, with a median year built of 1973. Roughly 17 percent predate 1940 and about 27 percent predate 1960, while the biggest share, about 39 percent, went up between 1960 and 1979; only about 11 percent date from 2000 or later. About 80 percent of occupied homes are owner-occupied and about 76 percent are single-family detached, with roughly 120 units held for seasonal use. The town's 2024 comprehensive plan describes the village core as mostly mid-19th-century wood-frame single-family homes, Greek Revival first and Italianate second. After the 1955 causeway to Cousins and Littlejohn islands and the 1961 arrival of I-295, conventional subdivisions spread along North Road, East Elm Street, Bayview Street, Princes Point Road and Granite Street, with condominium clusters following in the 1980s.

Building permits go through the Yarmouth Code Enforcement Office at Town Hall, 200 Main Street. Chapter 301 requires a permit before any building or structure is erected, remodeled, demolished or relocated, and work started without one pays double the fee. The town notes that applications take about 30 days on average to review, and building permits must be mailed or dropped off rather than emailed. Inside the Upper Village, Lower Village and Royal River Manufacturing historic districts, all exterior changes go to the Historic Preservation Committee, whose review is mandatory but advisory. Shoreland permits apply near Casco Bay and the Royal River.

Yarmouth's building code writes its design conditions straight into the ordinance: a ground snow load of 60 pounds per square foot, a design wind speed of 115 mph, weathering rated severe, a 48-inch frost line, a winter design temperature of minus 5 degrees and ice shield underlayment required. The town fronts Casco Bay along White's Cove and Broad Cove, so houses on Cousins Island, Littlejohn Island, Princes Point and the points along the shore take salt spray and open-water wind during nor'easters. Portland, the nearest long-term weather record, averages about 69 inches of snow a year. The comprehensive plan flags sea level rise along the shoreline, including stretches of the Talbot Road connector on the islands, and the town publishes flood and coastal bluff maps.

When an old deck is soft, wobbly or pulling away from the house, a full replacement is treated as a new build: the old deck comes off, the footings and framing are built new, and the new surface, railings and stairs go on. That is the only way to deal with hidden rot at the ledger and frost-heaved footings, and it is how Cardinal Exteriors approaches it. It lets you change the size, shape and material at the same time.

• The existing deck is removed and disposed of, and the house wall behind the ledger is inspected.
• Rotted rim or sheathing behind the old ledger is repaired and the wall is flashed.
• New footings go below frost; new posts, beams and joists are framed.
• New decking, railings, stairs and landings are installed in the material you choose.
• Permits are pulled where required and the site is cleaned up.

• Soft or spongy boards and joists
• A ledger pulling away from the house or rust-streaked fasteners
• Posts that have heaved, leaned or rotted at the base
• Railings that wobble or are lower than today's code expects

• Removal and disposal of the old deck
• Repairs to the house wall behind the ledger
• New size, height and shape
• Decking and railing materials
• Footing type and site access

Every job is priced from a free on-site visit. Typical ranges for the trade are on our deck building page, and the details of this service are on the deck replacement overview.

Back to the Yarmouth exterior services overview, or see every town on our Cumberland County service areas page.