Law Office of Shawn R. Kassman
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1 of these firms is based in Islip; the others serve Islip from towns including Smithtown (9 mi), Melville (12 mi) and Central Islip (3 mi).
2 open 24/7 · 6 open weekends · 22 rated 4.5+ · 1 shows a license
Data verified October 18, 2026
The 24 firms listed for Islip, NY take on landlord and tenant matters. What each says about deposits, evictions and which side it acts for comes from its own website; ratings and quotes come from public reviews.

The 24 firms on this page are rated from 4.0 to 5.0 across 1,031 reviews; 6 have 50 or more reviews and 22 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (88%) and quality (77%). The topics that come up most in reviews of the firms on this page are "knowledge", "communication" and "expertise". 2 are open around the clock; 6 are open on Saturdays and 4 on Sundays. The practice areas the firms on this page list most often on their websites are personal injury law (3), real estate (3), real estate law (3), criminal law (2) and estate planning (2). 1 shows a license on its website and 2 have a BBB rating of A or A+. Domain records put 20 websites of the firms on this page at ten or more years old; the oldest dates from 2001. 3 offer urgent consultations; 1 offers payment plans and 12 offer a free initial consultation. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Weekend hours appear on 6 of the 24 listings shown here. Saturday cover is usually shorter and often by appointment. Court deadlines do not pause for the weekend, so if a notice has just arrived, leave a message rather than waiting until Monday.