Family-owned · GAF Certified · Concord, MA

A New England home, built to outlast the winters.

Porto Builders takes care of the outside of your home, from the roof down to the front door, and remodels the rooms inside. Careful work, honest itemized pricing, and a lifetime labor warranty behind every job.

20 years experienceMA #220171 licensed & insuredLifetime labor warranty
Local crewsA Concord team that stands behind every job it finishes.
What we do

Outside first. Inside too.

Roofing

Asphalt roof replacement and repair, storm damage and free inspections.

Siding & gutters

Low-maintenance siding and seamless gutters with leaf protection.

Windows & doors

Energy-efficient windows, plus ProVia and Therma-Tru entry and patio doors.

Insulation

Attic insulation that stops heat loss and helps prevent ice dams.

Kitchens & baths

Custom kitchens, full bathroom remodels and new floors.

And more

Tree services, landscaping and interior and exterior painting.

Our work

Three ways we take care of your home.

Every project is handled by our crew and covered by our lifetime labor warranty, whether it's a new roof or a new kitchen.

Roofing

A roof for New England

  • Architectural and impact-resistant asphalt shingles
  • Replacement, repairs and storm damage
  • Free inspections and an instant online price
Exteriors

Siding, windows & doors

  • Siding and seamless gutters
  • Energy-efficient replacement windows
  • ProVia and Therma-Tru doors, installed all winter
Remodeling

Kitchens, baths & floors

  • Custom kitchen remodels
  • Full bathroom renovations
  • New flooring throughout the home
See your roof price tonight.Measured from satellite imagery of your actual roof. No sales visit needed.
Get my instant estimate
How we work

Clear from the first call to the final cleanup.

  1. ScheduleBook a free estimate online or by phone with one of our agents.
  2. ConsultA Porto consultant visits your home, inspects the work area and explains your options.
  3. PrepareOnce you approve the project, we order materials and set your install date.
  4. InstallOur installers complete your project and leave your property clean.
From our customers

"The process was really quick and easy. The best project I've done. Lifetime, no questions asked warranty."

Jennifer

"The installation was flawless and done before the time they had stated. Very professional crew."

Julie

"The quality of work is evident, and their attention to detail impressed us greatly."

Robert
Where we work

Based on Baker Avenue. Working in your town.

Our shop is at 300 Baker Avenue in Concord, and our crews work across Middlesex County. Don't see your town? Call us. We likely cover it.

  • Concord01742
  • Acton01720
  • Sudbury01776
  • Lexington02420
  • Carlisle01741
  • Bedford01730
  • Maynard01754
  • Lincoln01773
Start here

Know your price tonight. Then meet our team.

Get my instant estimate or call for a free inspection (866) 376-6997