Long Island Sunroom Co.
Suffolk County

Sunroom Contractor in Brentwood, NY

Licensed sunroom installer serving Brentwood and surrounding Suffolk Countycommunities since 2007. Four-season rooms, three-season rooms, patio enclosures, and screen rooms. Fully permitted.

4.9 stars · 174+ Google reviews

Get your free estimate in Brentwood

We schedule in-home estimates within 5 business days.

Free estimate · No obligation · We call within 2 hours

Sunroom installation in Brentwood

We install sunrooms, three-season rooms, patio enclosures, and screen rooms in Brentwood and throughout Suffolk County. Every project is permitted, inspected, and covered by a structural warranty.

Our office is in Massapequa — Brentwood is in our daily service radius. We typically schedule in-home estimates within 5 business days and handle all permit applications with the local building department.

Licensed Suffolk County contractor
All permits handled
Same crew start to finish
25-year structural warranty (four-season)
1800+ rooms installed on Long Island
Free, itemized estimates

Sunroom types available in Brentwood

Four-Season Sunroom
$35,000 – $85,000
Homeowners wanting a true addition — an extra living room, dining room, or home …
Three-Season Room
$18,000 – $40,000
Families who entertain outdoors spring through fall and want bug-free comfort…
Patio Enclosure
$12,000 – $28,000
Homeowners with an existing patio or covered deck who want quick enclosed outdoo…
Screen Room & Porch
$8,000 – $22,000
Budget-conscious homeowners who primarily want bug protection and shade…
Glass Room Addition
$55,000 – $130,000
Luxury homeowners wanting a true conservatory or glass extension as a home cente…

Ready to add a sunroom to your Long Island home?

Free estimate, no obligation. We typically schedule consultations within 2 weeks.

Get Free Estimate(631) 565-8313

174+ 5-star reviews · Licensed in Nassau & Suffolk · 1800+ rooms installed

(631) 565-8313