Popular Cities
2 of these firms are based in Islip; the others serve Islip from towns including Central Islip (3 mi), West Islip (7 mi) and East Islip (1 mi).
4 open 24/7 · 8 open weekends · 20 rated 4.5+ · 2 show a license
Data verified October 18, 2026
The 24 firms listed for Islip, NY handle property purchases, sales and closings for clients. What each states about its real estate work and fees comes from its own website; ratings and quotes come from public reviews.
The 24 firms on this page are rated from 4.2 to 5.0 across 2,350 reviews; 11 have 50 or more reviews and 20 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (97%), responsiveness (84%) and quality (74%). The topics that come up most in reviews of the firms on this page are "communication", "knowledge" and "results". 4 are open around the clock; 8 are open on Saturdays and 5 on Sundays. The practice areas the firms on this page list most often on their websites are criminal law (5), estate planning (5), family law (5), personal injury (3) and real estate (3). 2 show a license on their websites and 2 have a BBB rating of A or A+. 19 have ten or more years of experience, the longest 37 years. 4 offer urgent consultations; 1 offers payment plans and 10 offer a free initial consultation. 1 has Spanish-speaking staff. We have a website on file for 23 of the firms on this page; 20 publish a contact page; 14 list a public email and 1 takes bookings online. 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.
Out of the 24 firms here, 2 keep an office in Islip. The others come from other towns. A closing rarely needs you in the office more than once, so people look past the city limits.
- “Vincent Campasano and staff were extremely professional and were very helpful and responsive to all our questions and concerns regarding our closing.” — client of Campasano Law
- “They kept us updated on the progress of our closing and they were extremely conscientious in responding to all of our questions or requests.” — client of Diamond Law Group
- “With Peter's help and professionalism, the closing went smoothly and in fact did not take long.” — client of Law Office of Peter T. Bauer -Real Estate Attorney
- “The closing was quick and easy. I would absolutely recommend Diamond Law Group.” — client of Diamond Law Group
Excerpts from public reviews of the firms listed on this page.
