Jeff Mongno, Architect is an Architectural Design and CAD Drafting services company, serving Long Island's Residential Communities in both Nassau and Suffolk counties. Owned and operated by a NYS licensed and Registered Architect for over 15 years and involved in the Residential Construction Industry for over 20 years. With a focus on Long Island’s unique and characteristic Single Family Residences, we specialize in New Homes, Additions, Remodels & Interiors. No job too big or too small . . .

Axelrod & Cherveny Architect's AIA PC

📍 66 Harned Rd, Commack, NY, 11725

📞 631-864-4411

🌐 www.axelrodcherveny.com

Robert E Oshea Architect PC

Architects

📍 821 W Jericho Tpke Ste 4c, Smithtown, NY, 11787

📞 631-864-3137

Updated Aug 2026

Letkovsky Andreas Architect

Engineer And Architect Services

📍 229 Laurel Rd, East Northport, NY, 11731

📞 631-757-6204

🌐 www.alarchitecture.com

Tell us your vision and we can make it a reality! Whether it's a new house or an update of your old one, we can help you to make it your dream home.

Updated Sep 2026

Mcdonough & Conroy Architects PC

Architects

📍 308 W Main St, Smithtown, NY, 11787

📞 631-491-6400

🌐 mcdonoughconroy.com

Mcdonough & Conroy Architects PC is an architectural firm located in Smithtown, New York, specializing in detailing, residential projects, and site design. The firm is active in the community, providing services for various architectural needs. Local clients can expect a professional approach to both new constructions and renovations.

Arctone Architects PC

📍 19 Ingelore Ct, Smithtown, NY, 11787

📞 631-724-4424

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