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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon21
    Verified basement remodels reviews

Top-Rated Basement remodelers in Surprise - Updated Nov 2026

Avatar for R.S. Builders, LLC
R.S. Builders, LLC
4.2(
38
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"I hired RS Builders to remodel my built in bbq. They added drawers, a light, and replaced the top with granite and added a bar area. It looks great and is a much more inviting place to cook out now! They came when promised and finished when scheduled. I can t wait for Memorial Day so we can break it in. 😊"
Front
New house
Backyard
Backyard
Interior

+22

Response time2 days
5 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Lean Developers Corp
Lean Developers Corp
5.0(
25
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"I took several contractors to homes I wanted to purchase and remodel. But the only one that came prepared was Vicente from Lean Developers Corp. I am a very interesting client because of my background in interior design. After we purchased the home his team worked a miracle on my home that was built in 1936. His team was nice, polite, and diligent workers."
Addition
Design project
New building
Bathroom remodel
Remodeling - Kitchen & Bathroom Project

+97

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for Shepherd Contracting
Shepherd Contracting
5.0(
15
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Shepherd Contracting goes above and beyond- Thomas and his team were polite, efficient, and did outstanding work on a home remodel for a design client. My client and I were thrilled with the quality and attention to detail. An added bonus-they finished on time and within the budget!"
My jobs
My jobs
My jobs
My jobs
My jobs

+40

4 neighbors recently requested a quote
Avatar for Covenant Custom Builders LLC
Covenant Custom Builders LLC
New to Angi
Basement - Remodel

Serving Surprise, AZ and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

Covenant Custom Builders LLC is a General Contractor licensed with a KB-1 Dual License for commercial and residential projects. We “Build What Matters” with over 50 years of combined trustworthy experience.

4 neighbors recently requested a quote
Avatar for Drywall & Paint
Drywall & Paint
5.0(
25
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

In business since 2009

Credit card accepted

"Cesar was professional and did a great job. He took care to cover things and 'zippered' the room to contain dust. He arrived on time each day and completed the job when he said. The finished product looks fantastic."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Recommended by100%of homeowners
Avatar for West Valley Remodeling LLC
West Valley Remodeling LLC
5.0(
11
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

Free estimates

"Mark did a excellent job on my backsplash..He was professional..courteous..and explained everything he was doing in detail so that there were no surprises. I highly recommend Mark and his company for any remodeling work needed."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Recommended by100%of homeowners
Avatar for Freak Dog Construction
Freak Dog Construction
4.5(
8
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Extremely happy with results. They used quality paint and did an exceptional job on my house and metal fence. Would recommend this company without hesitation. Very thorough, prompt and finished in a timely manner. Carmen Eriksen"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Recommended by85%of homeowners
Avatar for Modern Design Construction LLC
Modern Design Construction LLC
5.0(
12
)
Basement - Remodel

Serving Surprise, AZ and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"High quality and beautiful kitchen and bathroom remodel. Derek was able to make my kitchen island customized to my wants and needs while having a lot of patience with my changes. I get compliments every time someone sees them."
Response time3 days
Response rate85%
Recommended by100%of homeowners
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Basement Remodel FAQs, answered by experts

The cost of finishing a basement is about $18,400 on average. As you can see, the framing portion of this project costs less, because you’re essentially just dealing with laying the foundation for a finished basement. The finishing portion of the project involves a lot more intricate work and design, as well as high-end materials.

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

Basements are commonly converted into game rooms. The potential challenges you may run into include controlling moisture, working with low ceilings, limited natural light, and the need for additional electrical or HVAC work. Addressing these issues can add to the total cost, but it ensures a comfortable and functional space.

It is generally more affordable to finish a basement than an attic, though it ultimately depends on how you plan to use the space. The average cost to finish a basement ranges from $7 to $23 per square foot, while attic renovation costs $30 to $60 per square foot. However, a simple attic conversion to a storage space will cost significantly less.

Finishing a basement can provide a great return on investment, by increasing the market price of your home when you want to sell. Beyond that, there are many reasons to finish your basement. Doing so expands the usable square footage of your home, so you can enjoy it more, even as your family grows. Renovating your basement costs less in terms of time, energy, and money than having to search for and buy a new home.

The Surprise, AZ homeowners’ guide to basement remodels

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