Contact GWJ Boss Construction
Let's Talk About Your Next Project
Whether you're planning a full home remodel, need a new roof, or want to build an addition, the team at GWJ Boss Construction is here to help. We offer free estimates, honest advice, and expert service — from the first phone call to the final walkthrough.
We proudly serve Salem, NH and nearby areas in Southern New Hampshire. Contact us today and let’s build something great together.
Call Us
Speak directly with Gary and get answers to your questions, or schedule an on-site estimate.
Email Us
Email us anytime to discuss your project, request pricing, or send photos or plans.
Business Hours
Open 7 Days a Week
8:00 AM – 7:00 PM
Service Area
Based in Salem, NH
Proudly serving homeowners across Southern New Hampshire and select areas in Northern Massachusetts.
Request a Free Estimate
Tell us a little about your project and we’ll follow up to schedule a convenient time for a visit or consultation.
We will get back to you as soon as possible.
Please try again later.
Submit via email or call us directly — no obligation, no pressure.
Why Choose GWJ Boss Construction?
Local and experienced general contractor
Licensed & insured in NH
Clear communication and honest pricing
Respectful, skilled crews who treat your home like their ow
5-star reviews from real homeowner
Real Client Feedback
“Gary responded right away and came out the next day for a quote. Very professional and no pressure — just honest advice.”
James T., Facebook Review
“We emailed for a siding quote and had a full walk-through and written estimate within 48 hours. Fantastic service from start to finish.”
Holly B., Facebook Review
FAQs About Contacting Us
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Do I need to have plans or drawings before I call?
Not at all. We’re happy to talk through your ideas and help you decide the best approach.
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How soon can you start a project?
Timing depends on our current schedule and the scope of your project, but we aim to get started quickly once the details are finalized.
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Can I contact you on weekends?
Yes — we’re available every day from 8am to 7pm, including weekends.
Schedule Your Free Roofing Estimate Today
If you need a trusted roofing contractor in Salem, NH, turn to GWJ Boss Construction. We’ll inspect your roof, explain your options, and complete your project with the highest standards of quality.
General Contractor | Salem, NH
Contact Us
Serving Southern New Hampshire & Northern Massachusetts
Open 7 Days a Week | 8:00 AM – 7:00 PM
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