O'Sullivan Installs

Name: O'Sullivan Installs
Address: 25 Sullivan Rd, Unit 5, North Billerica, MA, 01862, US
Telephone: (978) 234-2297
Rating: 4.9

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North Billerica, MA · Windows & Doors

4.9 (285 reviews) View on Google

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About O'Sullivan Installs

Professional window, siding, and door replacement company serving Massachusetts and New Hampshire for over 25 years. Known for premium products from ProVia, Alside, and SoftLite with award-winning service and flexible financing.

Why Choose O'Sullivan Installs

25+ years of experience

3 professional certifications

1 service offered

Specialties

Windows & Doors

Services Offered

Windows & Doors

Service Area

Greater Boston North Shore Metro West Southern New Hampshire

Amenities & More

Free estimates

Financing available

Lifetime warranty

25+ years experience

Location & Hours

25 Sullivan Rd, Unit 5
North Billerica, MA 01862

Mon-Fri 8am-5pm

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What Customers Say

4.9 (285)

Joe L. Jan 2025

For window, door, and siding installs, Tim O'Sullivan and his crew are the best. They installed my insulated siding, new windows including a bow window, and door. Everything came out great. From start to finish the crew was on top of it and Tim was either on site or communicated every day.

Anonymous Jan 2024

They took care of all the little extras and did the minor changes without charging extra or writing up a change order. I can't praise them enough for their professionalism or excellence.

Reviews sourced from Google