Partihaus Architects
“Had the best ideas - beautiful designs- and turned work over extremely fast!”
Best Architects near Islip, NY
2 of these firms are based in Islip; the others serve Islip from towns including Bay Shore (3 mi), Smithtown (9 mi) and Melville (12 mi).
2 open weekends · 12 rated 4.5+
Data verified October 16, 2026
Robbins Associates
“Rich created plans for our deck permit and variance, required per town code.”
J L Drafting & Expediting Inc
“Jl Drafting did a great job.”
Enspire Design Group Pllc
“I first had the pleasure of working with Michael and his team back in 2011 for a backyard landscape project in Port Washing NY and he truly exceeded my expectations.”
JM2 Architecture
“They have always been right on top of communications and took the time to explain all the steps in the process.”
Joe Bello Architects
“Joe was very thoughtful in his approach and gave us something that was not just the cookie cutter house that looks like all the others.”
Listed for property owners in and around Islip, NY, these 15 firms take architectural work. The project types each one handles, the stages of service it offers and any license it names are drawn from its own website, next to ratings and quotes from public reviews.
Area overview: Islip, NY
14 of the 15 firms on this page have a rating, from 4.0 to 5.0 across 144 reviews; 12 are rated 4.5 or higher. 2 are open on Saturdays and 1 on Sundays. 3 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 35 years. 1 gives free estimates. We have a website on file for all 15 of the firms on this page; 14 publish a contact page and 14 list a public email. 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.
Does it matter if the firm is outside Islip?
2 of the 15 firms are based in Islip; the rest come from other towns within 15 mi. Local matters here for a specific reason: a firm that submits to your building department regularly knows its reviewers and its quirks. Ask how many permits they have pulled in Islip.
I2create Inc
“We would absolutely recommend them and use them again in the future.”
Bouler Pfluger Architects
“James Boiler and team are first rate people who do amazing work.”
H2M Architects + Engineers
“It's what you would expect from a professional Engineering firm.”
Rimenez Architecture
“I would definitely do business with Rimenez Architecture in the future if I need architectural services again.”
Cataldo Grasso
“I needed Architect plans made for the town of Smithtown and called Carmine and he came to my home and met with me.”
Mancini Architecture & Design
N&P Engineering
“The best around and worth every dime!”
Busch Associates Architects
RJM Drafting & Designs
Why these companies made our list
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