Begin at the Dukes County Registry of Deeds, which serves the seven county towns and provides recorded and registered land records. Pull the current deed, prior references, plans, easements, mortgages, and discharges that affect the parcel. Then use the assessor card to identify the town and match the dwelling, cottage, garage, deck, or other improvements to that town's building, zoning, conservation, and Board of Health records. An Edgartown mailing address, for example, is not a substitute for confirming the actual municipality and parcel identity.
For a property with private wastewater, locate the Title 5 inspection or exemption basis, system plan, bedroom design, repair approvals, and Board of Health correspondence. Massachusetts guidance explains that many transfers require an inspection, while defined exceptions and enforceable upgrade agreements can apply; the local board should confirm the address-specific path. Coastal parcels may also have conservation orders, Chapter 91 material, recorded beach or access rights, or flood-elevation documents. If a past project was referred to the Martha's Vineyard Commission as a Development of Regional Impact, keep the Commission decision and conditions with the town permits. Do not assume every island home had regional review.
Use the verified gaps to compare choices. A listing may call for a Title 5 step, permit research, seasonal contractor scheduling, cleanout, repairs, ferry logistics, and continued insurance, utilities, taxes, and loan payments. For an as-is proposal, read the inspection period, cancellation rights, deposit, proof of funds, title objections, closing expenses, possession, and treatment of furniture or equipment. Ask whether the buyer expects you to cure a septic, access, conservation, or permit matter. A mapped coastal exposure is not proof of past damage; describe actual claims and repairs separately.
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