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Hudson Valley ADU Zoning Matrix

Start with clarity, not guesswork. Pick your county, pick your town, see what the local rules actually say about accessory dwelling units.

FOR HOMEOWNERS IN ULSTER, GREENE, DUTCHESS, COLUMBIA, SULLIVAN, AND DELAWARE COUNTIES
ILLUSTRATIVE · PRE-LAUNCH Data below is illustrative for development purposes. Zoning rules vary by jurisdiction and change frequently. Verified data, with primary-source citations to each town's ordinance, will be in place before public launch.
By right
Conditional permit
Restricted or not permitted

This tool is a planning reference, not legal advice. Zoning rules change with code amendments and local interpretation. Always verify current requirements with your municipal code enforcement office or a land use attorney before committing to a purchase or design.

Zoning is one of five gates.

The other four are site, budget, timeline, and motivation. The $99 workshop walks through all five in 90 facilitated minutes with three other households. Workshop fee credits toward the $499 site feasibility study, and includes the ADU Planning Toolkit free when it launches in July 2026.

Book a workshop, $99→ Toolkit early-access list→