Professional Construction Contractor in Portsmouth, NH
RS Development Group is your trusted full-service construction contractor in Portsmouth, New Hampshire. From framing and roofing to decks, siding, and complete home remodeling — we deliver quality craftsmanship backed by 47+ 5-star Google reviews.
Expert Construction Services in Portsmouth, NH
Portsmouth, New Hampshire's only seaport city, presents framing challenges unlike anywhere else in the Granite State. The historic downtown near Market Square features some of the oldest continuously inhabited structures in the country, where original timber-frame construction must be carefully assessed and reinforced during any renovation. Coastal moisture, salt air, and the unique soil conditions of the seacoast region accelerate deterioration of framing materials, requiring marine-grade treatments and corrosion-resistant fasteners. RS Development Group brings specialized framing expertise to Portsmouth homeowners, whether working on a centuries-old colonial near Strawbery Banke, a mid-century ranch in the neighborhoods near the former Pease Air Force Base, or new construction along the Route 1 Bypass corridor.
Whether you need structural framing for a new build, a full roof replacement, a custom deck, new siding, or a complete home renovation, RS Development Group brings the same level of dedication, craftsmanship, and professionalism to every project in Portsmouth. We are fully licensed and insured, and our 47+ 5-star Google reviews speak to our commitment to quality.
Our Services in Portsmouth, NH
Complete construction solutions for residential and commercial projects. Click any service to learn more about what we offer in Portsmouth.
Framing Services
Expert structural framing for new construction, additions & renovations
- New construction framing
- Room additions
- Garage & outbuilding framing
General Contractor
Full-service construction and project management
- New construction
- Home additions
- Major renovations
Deck Construction
Custom deck design and construction
- Custom deck design
- Composite & wood options
- Multi-level decks
Home Remodeling
Kitchen, bathroom, and whole house remodeling
- Kitchen remodeling
- Bathroom renovation
- Basement finishing
Siding Installation
Professional siding installation and repair
- Vinyl siding installation
- James Hardie fiber cement
- Wood & cedar siding
Roofing Services
Expert roof installation, repair, and replacement
- Complete roof installations
- Emergency roof repair
- Roof replacement
Why Portsmouth Chooses RS Development Group
Trusted by homeowners across Portsmouth and Rhode Island and New Hampshire for quality construction.
Licensed & Insured
Full coverage protection for every project. General liability and workers' compensation insurance.
5-Star Rated
47+ Google reviews with a perfect 5 rating. Quality you can trust.
On-Time Completion
We respect your schedule. Detailed project timelines with regular progress updates.
Free Estimates
No obligation quotes with transparent, upfront pricing. No hidden fees or surprises.
Construction FAQ for Portsmouth, NH
Common questions from Portsmouth homeowners about our construction services.
Frequently Asked Questions
RS Development Group provides comprehensive construction services in Portsmouth including structural framing, roofing, deck construction, siding installation, home remodeling, and general contracting. We are fully licensed and insured with 47+ 5-star Google reviews.
Construction costs in Portsmouth vary by project type and scope. Framing projects range from $7-$16 per square foot, deck construction from $25-$70 per square foot, and full remodels from $25,000+. Contact RS Development Group at (774) 512-3176 for a free, no-obligation estimate tailored to your Portsmouth property.
Yes, RS Development Group is fully licensed and insured to perform construction work in Portsmouth, New Hampshire. We carry comprehensive general liability and workers' compensation insurance and handle all necessary permits with the local building department.
Getting a free estimate is easy. Call us at (774) 512-3176 or fill out the contact form on this page. We'll schedule a convenient time to visit your Portsmouth property, assess your project needs, and provide a detailed written estimate with transparent pricing.
Absolutely. As your general contractor in Portsmouth, we manage the entire permit process from application through final inspection. We coordinate directly with the Portsmouth building department and ensure all work meets or exceeds New Hampshire building codes.
RS Development Group has been serving Portsmouth and the greater Rhode Island and New Hampshire area for years, building a strong reputation for quality craftsmanship, reliability, and customer satisfaction. Our 47+ 5-star Google reviews reflect our commitment to excellence in every project.
Also Serving Cities Near Portsmouth
We provide the same excellent construction services throughout Rhode Island and New Hampshire and beyond.
Service Area: Portsmouth, NH
Based in Marlborough, MA, we proudly serve Portsmouth, NH and all surrounding areas.
Request Your Free Estimate
Tell us about your Portsmouth project and we'll get back to you within 24 hours.
Ready to Start Your Construction Project in Portsmouth?
Get a free estimate today. No obligation, no pressure.