How much do addition contractors typically cost?
- Casper, Wyoming Average$20,000
- Typical Range$20,000 - $20,000
- Low End - High End$20,000 - $20,000

"Got the job done! Super friendly, honest and did great work."
Justin F. in November 2024

"The contractor was here on time, every day until the job was finished. I absolutely love my custom deck. He was very meticulous but quick. The price was very reasonable and well below the high-priced quotes I received for the same job."
886C69CA4881E8D3AE8EEC6195A1938D60EC7571AFC68E319CC83CC674F28A92 3. in November 2025
Decks, Porches, Patios, General Carpentry, Additions and Remodels , and 1 more
"My deck turned out awesome! Plus they were way cheaper than the other two companies I got quotes from. I would definitely recommend them."
Cathy R. in July 2015
New Construction, Door Replacements, Window Replacements , and 1 more
"They do a good job ."
Ashley F. in February 2020
Finish carpentry, installation of interior and exterior doors, windows, cabinets
About us: "I'm a retired finish carpenter with over 30 years experience. I worked on a lot of multi-year, multi-million dollar projects, and got to install quite a few custom items. Cabinet install, door installations, trimwork, custom staircases and guardrails, decks. I've done a lot of unique things during my time as a carpenter. Now just looking for smaller projects to fill in the extra time I seem to have on my hands."
About us: "At Rockhorn LLC, we take pride in providing dependable, high-quality construction and remodeling services with attention to detail from start to finish. We handle projects of all sizes, including home renovations, concrete, roofing, framing, repairs, and general construction. As a locally owned and operated company, we believe in honest communication, fair pricing, and doing the job right the first time. Our goal is to make every project as straightforward and stress-free as possible while delivering quality workmanship that lasts. Whether you’re planning a remodel, need repairs, or have a larger construction project in mind, Rockhorn LLC is ready to help bring your vision to life. Contact us today to discuss your project and get an estimate."
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Depending on the type of project, you may find subtle differences in the hiring process. Here’s a look at task-specific advice.
You can use HomeAdvisor to help evaluate a contractor’s qualifications. We put pros through a screening process, and award badges to high-performing contractors. You can find these badges on a pro’s HomeAdvisor profile, and sometimes, his or her website.
Your research doesn’t stop here. Once you’ve found a few prospective companies, make an call to ask a few questions about work history, licensure and more:
In most cases, the responses you get to these three questions will give you a very good idea of the right pro for your project. If you have more than one front-runner, these additional questions can help you narrow it down.
Any good contractor will answer these questions, and most will appreciate dealing with a client that takes such an active interest in finding good service. On the other hand, if a contractor gives you a hard time with these questions, you probably want to find someone else.
Casper Addition & Remodeling Contractors are rated 4.6 out of 5 based on 16 reviews of 16 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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