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Interior Design & Upholstery in Nassau County, NY

56 interior designers listed · Updated Oct 27, 2026

Compare interior designers and decorators serving Nassau County for design, decor, window treatments, staging and reupholstery, and request quotes.

Avahere lists 56 interior designers across 31 Nassau County towns. Of these, 6 show a public phone number, 35 link to a website and 6 list a street address. The most listings are in Port Washington (5), Plainview (4), Rockville Centre (4). None of these businesses has claimed its page yet, so the details come from public business records.

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Towns with interior design & upholstery

31 Nassau County towns, A–Z. Pick yours to see local listings.

Interior Design & Upholstery in Nassau County: common questions

How many interior designers are in Nassau County, NY?
Avahere lists 56 interior designers across 31 towns in Nassau County.
How do I get quotes from interior designers on Avahere?
Describe your job once and local interior designers that fit can reply with questions and quotes. It is free for you and for the businesses, and you decide who to hire, if anyone.
I run a interior designer business. How do I update my listing?
Find your business and choose "Claim it free". After a quick check you can edit your details, add services and photos, and answer customers at no cost.
Is Avahere free?
Yes. Avahere is free for customers and for businesses. There are no lead fees, and businesses cannot pay to rank higher.

Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.