Home occupations are permitted in residential zones throughout Suffolk County subject to town-specific conditions. Most towns require the business be operated by a resident, occupy less than 25-30 percent of the dwelling, generate no external evidence of business activity, and produce no significant customer traffic or deliveries. Home-based professional offices are usually the least restricted category.
Brookhaven Chapter 85-30, Islip 68-45, and Huntington 198-16 define home occupation as clearly incidental to residential use. Typical limits: no non-resident employees (some towns allow 1), no retail sales on premises, no manufacturing, no outdoor storage of materials, no signs over 2 sq ft or on building. Licensed trades (plumbers, electricians) may keep one commercial vehicle but no fleet. Daycare and salons have specific state-law carve-outs. NY State does not preempt local home-occupation zoning.
Operating a non-conforming home business: $250-$2,500 per week of continued violation. Repeat violators: zoning court injunction. External signage without permit: additional fines.
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Side-by-side rule comparisons with other cities in Suffolk County.
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