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

Avatar for Krain Construction LLC
Krain Construction LLC
4.7(
28
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"I am so happy that we found Krain Construction. Brian and his crew really brought our vision to life. We wanted to build 2 stories on top of an already existing foundation that only had a roof on it. We had a hard time finding someone to do it but Brian had no hesitation. He drew up a floor plan and we loved it. His crew built the new frame for our house, did the siding, doors, windows, decks, gutters, hvac. My husband and I are going to do the interior part of the house. If we had any issues we could easily text Brian and he would resolve them quickly. If we had any last minute changes, he would work with us. Very personable and professional. If we ever needed anything else done I would use them again and I would recommend to anyone needing a remodel. I will post some pictures of how our house started and how it is now that they’re done."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+35

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Furko Construction
4.4(
77
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 1996

Emergency services offered

Customers say: Super punctual

"Doug was affable and punctual and gave us a reasonable estimate for the job. Unfortunately, we saw very little of him after that: his workers (also very friendly and punctual) openly admitted to us that they had very little idea about the project they were working on, that not much had been explained to them. It was difficult to communicate with Doug about design/issues that came up since that communication almost never happed in person, only via text, and it became clear that the project was not clearly thought out before being initiated (by us or by Doug, although we would have hoped that as the professional, he would have foreseen some of the issues that arose). Ultimately, we asked him to stop working on the project without its being completed after his team drilled into the basement concrete without covering vents or warning us to do so (he later told us he thought he would have been "smart enough" to foresee the preparation needed for him to install a drain in the basement), resulting in a thick layer of concrete dust covering all of our possessions throughout our whole home, necessitating hours of cleaning on our part. Since then, having found other non-Angie's List contractors to complete the unfinished work, every single one of them have offered harsh critiques Furko Construction's planning and execution, which is of course very frustrating for us to hear. My real critique though is not of Furko Construction, but of Angie's List: multiple times now we have employed a top rated contractor from Angie's List and that contractor has been (although all very friendly and prompt with estimates) a mistake. The contractors who have done good work for us have warned that Angie's List is deceptive in its ratings/reviews and that businesses can pay for the standing they have, corrupting the idea that good work leads to a good rating or prominent placement. I'm not sure what merit there is to this idea, but we will not be using Angie's List again after this experience. Furko Construction means well, but ultimately does not plan well, follow through, or take responsibility for mistakes."
Response time2 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Shane Moran Masonry LLC
Shane Moran Masonry LLC
4.4(
29
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Shane and crew were great! They were prompt, courteous, and efficient. When I mentioned I was planning to put in a retaining wall myself, he gave me a very reasonable quote for the additional work and had it done in a day. Highly recommend!"
Addition
Remove asphalt and reinstall concrete driveway
Addition
Remove asphalt and reinstall concrete driveway
Addition

+15

Response time1 day
4 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Brody's Services
Brody's Services
5.0(
20
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"Brody was awesome to work with to have my bathtub and surround remodeled. From the start he was very pleasant to talk to and stayed in communication during the entire process to make sure I was aware of what was happening next. I love how the bathroom turned out and I'd highly recommend."
Bathroom
Bathroom
Bathroom
Bathroom
Bathroom

+2

Response time8 hrs
Response rate97%
16 neighbors recently requested a quote
Avatar for Rough Diamonds Construction LLC
Rough Diamonds Construction LLC
5.0(
14
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Nate was available within the next day of contacting him to give a reasonable quote, was accommodating in doing his best to do the remodel to our standards and gave many choices for fixtures, sink top and shower. All of his workers kept us informed of what they were doing. Would highly recommend. I love my new bathroom!"
My jobs
My jobs
My jobs
My jobs
My jobs

+8

Response time11 hrs
Response rate90%
1 neighbors recently requested a quote
Avatar for PC Roofing & Construction LLC
PC Roofing & Construction LLC
4.7(
18
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Pedro was very quick to respond to my work request thru Angi and was able to complete the job the day after I first asked for quotes! The work was performed quickly and efficiently. Photo shows the small siding repair job that Pedro corrected."
Roofing Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project

+30

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for C & C Home Remodeling
C & C Home Remodeling
4.5(
11
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"The owners (Chris and Cal) did an excellent job on our remodeled project. They were personally involved with the project and worked directly with us during the entire planning and implementation of the work. They were true craftsmen. We wanted a contractor who could do the entire project and C&C fit the bill. They performed the drywall, flooring, windows, painting, electrical, and structural part of the job. We would highly recommend them ."
Siding Project
Siding Project
Additional Photos
Additional Photos
Additional Photos

+62

7 neighbors recently requested a quote
Recommended by80%of homeowners
A & J Contracting Company, LLC
4.2(
36
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 1995

Free estimates

Customers say: Quick response

"We hired Anthony to perform a *laundry room addition* to our house. We live in an older home and wanted to take out a 2nd floor extra storage space that we were not using and convert it into a laundry room. The price was fair but the service and work were well above average. They go above and beyond and get the job done quickly without cutting corners and fixing previous DIY improvement disasters. I could not recommend Anthony and the company more. Look no further, because this is your guy."
 bathroom before picture
 bathroom after picture
 kitchen remodel photo
 Rough framing for basement remodel
drywall work for basement remodel

+23

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for HC Home Remodeling LLC
HC Home Remodeling LLC
5.0(
5
)
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

Super Service Award Winner

Free estimates

Credit card accepted

Customers say: Super punctual

"I loved the quality of work and their commitment to complete as per the planned timeline. Bladmir was so friendly to work with. I appreciate his effort and suggestions in saving money for me. Glad that I engaged this team in finishing my basement. Great work."
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project

+45

Response time7 hrs
Response rate100%
1 neighbors recently requested a quote
Construction Integrity Group
New to Angi
Addition to Existing Structure - Build

Serving Glenshaw, PA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

With over 25 years of experience, Construction Integrity Group is who you need to take care of your home. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!

Park Ave. Bathroom
Park Ave. Bathroom
Park Ave. Bathroom
Park Ave. Bathroom
Park Ave. Bathroom

+3

3 neighbors recently requested a quote
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FAQs for addition to existing structure building service projects in Glenshaw, PA

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 Glenshaw, PA 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.