Best Interior Designers and Decorators near Islip, NY
2 of these firms are based in Islip; the others serve Islip from towns including West Islip (4 mi), Commack (9 mi) and Smithtown (9 mi).
8 open weekends · 13 rated 4.5+ · 1 shows a license
Data verified October 18, 2026
House To Home Designs
Twice As Nice Interiors
Brandstrom Interiors
Artrep Inc
L.I. Cabinets
Listed for homeowners in and around Islip, NY, these 15 firms take interior work. Whether a firm does full renovations or furnishing and styling only, and how it says it charges, comes from its own website, with ratings and quotes pulled from public reviews.

Area overview: Islip, NY
14 of the 15 firms on this page have a rating, from 4.4 to 5.0 across 336 reviews; 1 has 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (91%), quality (86%) and responsiveness (81%). The topics that come up most in reviews of the firms on this page are "price" and "communication". 8 are open on Saturdays. 1 shows a license on its website and 1 has a BBB rating of A or A+. 10 have ten or more years of experience, the longest 34 years. 1 offers financing or payment plans; 2 give free estimates; 2 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 15 of the firms on this page; 14 publish a contact page; 10 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.
Do designers travel to Islip from other towns?
2 of the 15 firms give an address in Islip; the rest come from other towns within 10 mi. Designers routinely work across a region. What matters is site visits during construction, so ask how many are included and whether travel time is billed.