Siding in Belmont, Massachusetts

Belmont is not served by Eversource or National Grid — it has its own Municipal Light Plant, the Belmont Municipal Light Department (BMLD). Because Mass Save is funded by the investor-owned utilities, the state's weatherization rebates (75% or more off insulation and air-sealing for IOU customers) do not apply in Belmont. That matters for siding because a re-side is the ideal moment to add exterior insulation, house wrap, and air-sealing behind the new cladding, and elsewhere in the state much of that work is heavily subsidized.

BMLD runs its own, generally smaller efficiency incentives in place of Mass Save — check their current program before assuming a wall-insulation rebate. Insulated vinyl siding (with foam backing) and a continuous-insulation layer under fiber-cement both cut drafts in Belmont's lightly insulated 1930s walls. Ask your contractor to document any insulation added during the re-side for your own records.

Belmont requires a building permit for re-siding, reviewed by the Town of Belmont Building Department at Town Hall. Period homes on Belmont Hill or near the historic center can draw extra scrutiny on visible material changes, so confirm any review before switching from clapboard to vinyl. Because most Belmont homes predate 1978, the federal Lead Renovation, Repair and Painting (RRP) rule applies — siding work that disturbs old painted wood must be done by an EPA-certified firm using lead-safe practices. Some mid-century additions carry asbestos-cement (transite) shingles, which require licensed abatement rather than ordinary tear-off.

Siding costs in Belmont sit a notch above central Massachusetts because of older, taller colonials and tighter in-town access. A standard vinyl re-side typically runs $12,000–$25,000 depending on size and stories; insulated (foam-backed) vinyl runs roughly $16,000–$30,000. Fiber-cement (James Hardie), the popular step-up on Belmont Hill, generally lands at $20,000–$45,000 for a whole house. Restoring or replacing natural cedar clapboard or shingle runs higher still, often above the fiber-cement range, and adding a continuous-insulation layer or repairing rotted sheathing during the tear-off pushes any project toward the top of its band.

Belmont is a 27,000-resident suburb of about 10,800 homes just inside Route 2 from Cambridge, with a housing stock that skews very old — the median home dates to around 1937. The town is dominated by single-family colonials and capes, with a band of older two-families around Cushing Square and Waverley and larger period homes on Belmont Hill.

That 1930s-built majority shapes the siding reality here. Many original exteriors were wood clapboard or cedar shingle, and a good share of the older stock still carries it. On Belmont Hill, homeowners often restore cedar or step up to fiber-cement (James Hardie) rather than vinyl, while the more modest two-families near Cushing Square are common candidates for vinyl re-siding. Pre-war homes frequently have little or no wall insulation behind the siding.