Mass Home Comfort
Find contractors
Decks & Porches · Chilmark, MA

Decks & Porches in Chilmark, Massachusetts

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

30 contractors serving Chilmark.

Contractors serving Chilmark

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 Chilmark — what to know

Rebates & incentives

Deck projects in Chilmark require a building permit from the town building department under 780 CMR, and the vast majority also require Conservation Commission review first. The Chilmark Conservation Commission administers the Wetlands Protection Act for the town's many coastal ponds, saltmarshes, and scenic water-body buffers. A Notice of Intent must be filed, heard publicly, and issued an Order of Conditions before any ground disturbance for footings.

Frost depth on Martha's Vineyard is roughly 36–42 inches, somewhat shallower than central MA, but the island's sandy and loamy soils mean helical piles are often preferred over poured concrete Sonotubes for reliable load bearing. Chilmark's historic districts and scenic byway corridors also affect design approvals for highly visible deck structures.

Permits in Chilmark

File with the Chilmark Conservation Commission first if your property is within 100 feet of Menemsha Pond, Squibnocket Pond, any salt marsh, or the coastal bank. After receiving an Order of Conditions, bring it to the town building department with 780 CMR-compliant framing plans. Allow 8 to 12 weeks for the full permitting sequence, especially if the Conservation Commission requires a site visit or hearing continuation.

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

Typical project cost

Martha's Vineyard deck projects carry a significant premium over mainland MA because all materials are shipped by ferry, labor is island-priced, and project timelines stretch around ferry schedules. Expect $30–$50 per square foot for pressure-treated pine and $45–$65 per square foot for composite or PVC. Helical pile foundation work adds $3,000–$6,000 for a typical deck footprint.

About Chilmark homes

Chilmark occupies the western uplands of Martha's Vineyard, a Dukes County town of 1,561 year-round residents but 1,613 housing units, making it effectively a seasonal and second-home community. The housing stock averages 44 years old, built primarily in the 1980s during the Vineyard's boom as a vacation destination. Most properties are on large, private lots with ocean views, pond frontage, or both.

Childmark's geography drives nearly every deck decision here. The combination of coastal wetlands, the Menemsha Pond and Squibnocket Pond systems, Gay Head Cliffs proximity, and salt air from the Atlantic on two sides means Conservation Commission review is the rule rather than the exception, and material choices must account for a corrosive marine environment.

Common questions — Decks & Porches in Chilmark

Does every deck in Chilmark need Conservation Commission approval?
Most do. Given Chilmark's extensive pond systems, saltmarshes, and coastal resource areas, most residential lots are within 100 feet of a protected wetland. File a Notice of Intent with the Chilmark Conservation Commission under the Wetlands Protection Act before any excavation or construction.
Why are decks so much more expensive to build in Chilmark than on the mainland?
All lumber, composite decking, concrete, and hardware must be shipped via the Steamship Authority ferry from Woods Hole. Labor rates are also higher because contractors must live on or commute to the island. Budget 30–50% more than a comparable mainland project.
What deck material handles Martha's Vineyard salt air best?
PVC or capped composite decking (Azek, TimberTech) significantly outperforms pressure-treated pine in marine environments. Use stainless-steel or hot-dipped galvanized hardware throughout; standard zinc-plated screws corrode quickly in salt air.
Is there a local historic district review in Chilmark for deck projects?
Chilmark has scenic byway protections and some locally designated areas where visible exterior changes may require additional review. Check with the town building department on whether your parcel falls within a reviewed district before finalizing design.
How do contractors handle footings in Chilmark's sandy island soil?
Helical piles are commonly used in place of poured Sonotubes because they can be installed without significant excavation and provide reliable load bearing in sandy and loamy soils. Poured footings can work but require more careful bearing-depth verification.

Decks & Porches guides for Massachusetts homeowners

All Decks & Porches guides →

Decks & Porches contractors in nearby towns

AquinnahWest TisburyGosnoldTisburyOak BluffsEdgartownDartmouthFalmouth