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Top-Rated Addition to existing structure builders in Framingham - Updated Nov 2026

Avatar for WR Builders, Inc
WR Builders, Inc
5.0(
130
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Warranties offered

"WR Builders Inc. was a pleasure to work with on our home addition project. The team was professional, reliable, and the quality of the work was excellent. They completed the project on time, and the final result exceeded our expectations. We highly recommend them for any construction needs."
kitchen
Exterior of the House
basement bathroom
Custom Home
Powder room

+156

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for iCornerstone, Inc.
iCornerstone, Inc.
4.9(
58
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

In business since 1988

Customers say: True professional

"My wife and I were looking to have an addition built on our 2 bedroom / 1 bath home back in the winter of 2022. After a phone conversation with Richard, we decided to have him come out to the house. He was very clear with the iCornerstone process, and the benefits of using this process. He is meticulous in measuring and understanding the existing structure. There are no guesstimates and all cost projections are based on the actual materials and labor needed to complete the work. Having such clarity regarding costs before any work begins is not something I've seen in this industry prior to this experience. It was certainly a welcome change. We now have plans for a home addition and complete control over the project. We decide the scope and can customize the plan to our budget. We are grateful to have worked with Richard, and highly recommend him!"
Entertainment center
Entertainment center
Architectural details
computer room left
computer room right

+11

Response time8 hrs
Response rate100%
Recommended by91%of homeowners
Avatar for The Curtice Group
The Curtice Group
4.6(
143
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"I had an excellent experience with The Curtice Group. I would highly recommend them and I'd use them again for a future project. We utilized the full design to build service to add a master bedroom/bath/closet, a 2nd floor 3x10 balcony, and renovate a number of items associated with the build including a re-build of an existing bathroom.  We live in an old house and Scott did a fantastic job making use of space and working with the house limitations, and overall, giving us lots of details and options as we had back/forth meetings on the concept.  The design process was great. We had a number of meetings starting from a wish list that expanded to initial design concepts and then to more final concepts. Scott made excellent use of space and gave us a lot of options which for budget reasons, we had to slowly narrow things down to a final concept. The build was equally fantastic. Not only was the quality extremely high but they stayed on schedule and never skipped days; there was always a team working every day. The workers and subs were reliable and on schedule, which you dont see too much of. Not only that but juggling/managing the schedule when the different subs had to show up was very impressive as the goals for each week were always met. Scott and his team really care to make a top-quality build. A few family members in construction walked through a few times and commented on the high quality of everything.  The house had two surprises as we things opened up.  Somewhat expected as unwelcome as it was: a bad foundation and a roof with upgrades needed. Both these items were attended to very quickly and surprisingly got back on track sooner than I thought it would.  Budget: Scott's budget was extremely accurate. Aside from the 2 house surprises (above) and the additional rise in lumber cost during COVID, all numbers and quotes lined up extremely well. Yes the cost went over the estimate but I hold no concern over this, since it was due to two extra side projects (that were impressive accomplishments). When the project was done Scott made sure we were happy with everything. A few items to touch up were quickly dealt with and Scott really went above and beyond making sure things were 100%. No negative comments from me. Any items to nit-pick are not worth putting in a review: this was an extremely positive experience and I would recommend the Curtice Group and would/will certainly utilize them again in the future."
Finished Basement & Renovated Bathroom
Kitchen Expansion & Remodel
Renovated Kitchen with Island
AFTER:
Full Kitchen renovation with island
We removed the wall separating the Kitchen and Living room we created an open floor plan.

+203

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for D & R Construction
D & R Construction
4.7(
31
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Eric's team rebuilt our entire three season room, which was not functional. It is now, thanks to Mike and Brian. It also looks very good! Mike works hard at getting things done, and teaches the younger crew very well. He is structured and trustworthy. He also was patient answering my questions (I always have too many..!). Brian pays great attention to detail! I was impressed by how good the tile work looks, and also how good the finishing of the decking to the landing looks like, which he did. They also had to partly redo the patio, and it looks better than before."
Response time4 days
Response rate100%
Recommended by89%of homeowners
Avatar for D & S Partners Construction
D & S Partners Construction
5.0(
42
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"I am extremely happy with the painting and carpentry work done by D&S. The workers came every day and worked long hours to get the job done. Not only did they do a great job but they were pleasant and courteous as well. I would not hesitate to hire them to do additional work for me and I have already referred D&S to others."
Additional Photos
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+9

Response time6 days
6 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for DiOrio Builders & Designers Inc
DiOrio Builders & Designers Inc
4.5(
138
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1966

Free estimates

Emergency services offered

"DiOrio builders did excellent basement work. Before DiOrio- my basement unusable, a dusty mess, the walls and ceiling peeling so bad, I couldn’t even walk in there without being covered in chalk. Quotes from other contractors were outrageously high, with a bunch of complicated add-ons. DiOrio builders found a solution at a price that made sense, they fixed exactly what needed fixing. They demolished the old structures, scraped the walls and ceiling, removed decades-old debris, sealed the foundation and put a bright white coating on the wall. Plus, once they removed all the debris, the air quality is much better in the upstairs of my house! I’m so happy they made my basement useable, and I will definitely be calling DiOrio Builders and Designers when it’s time to build a lounge down there."
Addition - Westwood
Addition - Westwood
Addition - Westwood
Addition - Westwood
Addition - Westwood

+36

Response time10 hrs
1 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Crystal Renovations LLC
Crystal Renovations LLC
4.9(
64
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"I am very pleased with the work completed by Crystal Renovations in my home. The company's owner, Pedro Quissalga, is knowledgeable and has a fantastic crew. He implemented the bathroom, laundry, and closet design ideas beautifully. A critical positive factor was communication. Pedro was responsive to my questions and concerns. He kept me informed every step of the way during the construction. Another important factor was their care in keeping the renovation project clean and organized. The team was also mindful of how the construction may impact the rest of the building and did their best to keep the noise level down. I highly recommend Crystal Renovations."
Remodeling - General Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+10

Response time3 days
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for HS General Contracting
HS General Contracting
4.8(
84
)
Addition to Existing Structure - Build

Serving Framingham, MA and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Humberto and his team were terrific! They refinished the walls in 3 rooms of our house and their work was top notch. They removed wallpaper, sanded, plastered and painted our walls so that now they look pristine. I asked them if they could put in new doors and they did a great job with that too. I would refer this team to friends and family and will be using them again for other projects."
Bathroom remodeling - Newton, MA
Wooden Outdoor Bathhouse for Backyard
Bathroom remodeling
Kitchen Remodeling
She Shed

+53

Response time11 hrs
Response rate100%
Recommended by97%of homeowners
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FAQs for addition to existing structure building service projects in Framingham, MA

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The Framingham, MA homeowners’ guide to addition to existing structure building services

From average costs to expert advice, get all the answers you need to get your job done.