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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon40
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Top-Rated Basement remodelers in Amherst - Updated Nov 2026

Avatar for Andrew Mitchell
Andrew Mitchell
5.0(
16
)
Basement - Remodel

Serving Amherst, MA and surrounding areas

Approved

In business since 2023

Free estimates

Customers say: Quick response

"Our basement remodel exceeded our expectations. Several of the design Ideas were Andyâ s and greatly added to the finished product. We would not hesitate to use him Pom any future projects."
gutting bathroom
back wall tile sides to go
tile and grout
finished drywall tile and grout
grout

+602

Response time1 day
Recommended by100%of homeowners
Avatar for Remodel or Renew Home Improvement
Remodel or Renew Home Improvement
4.6(
296
)
Basement - Remodel

Serving Amherst, MA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"RORHI completed our basement renovation. They did fantastic work, and all the contractors were highly professional: the framers, the insulators, the drywallers, the electrician, and the finishers. They went above and beyond to accommodate some special requests, like installing a commercial dehumidifier and finishing the walls of the storage closet, which were not part of the original scope, which greatly enhanced the finished look. We had a great experience working with Evan, Mike, and Matt (the initial estimator), as well as Inmer (finishes and framing), Eddie (painter), and the electrician. Despite minor miscommunications leading to necessary changes, they promptly addressed our concerns, sending someone immediately or the following day to resolve issues. Overall, we were impressed by RORHI's dedication and responsiveness, and we plan to hire them again for our next projects."
Decks
Farmers Porch
Deck
Decks
Screened oom

+7

Response time12 hrs
Response rate95%
845 neighbors recently requested a quote
Avatar for On Task Construction LLC
On Task Construction LLC
5.0(
9
)
Basement - Remodel

Serving Amherst, MA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business. \n \nTrip charge $100 will be taken off the contracted amount once agreement is signed.

Spray foam
Spray foam
Spray foam
Deck build
Deck build

+4

2 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for RATTIGAN & Sons
RATTIGAN & Sons
4.1(
166
)
Basement - Remodel

Serving Amherst, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Rattigan & Sons are amazing! At least 11 out of 5 stars! The quality of their work is exceptional and they use the highest quality building materials! Everyone with Rattigan & Sons are top of the line experts! I can’t easily describe how happy I am that Rattigan & Sons remodeled my kichen and how much I love everything about my new kitchen and how perfect it turned out! Sean Rattigan is incredible! He’s so smart and expert at every aspect of construction and he’s amazing to work with! He’s super thoughtful, down to earth, nice, funny guy and he will straight talk and tell you how it is. He’s fantastic to communicate with and he’s a true dog lover! I have 3 pups and they love Sean! The craftsmanship and experience of Rattigan & Sons is excellent beyond anything I ever could have imagined! The cabinets and countertops are the absolutely highest quality! Everything was installed perfectly! I feel so much joy every time I walk into my new kitchen! It is a true masterwork!"
Landscaping project
Additional photos
Additional photos
Additional photos
Additional photos

+21

Response time12 hrs
Response rate100%
15 neighbors recently requested a quote
Avatar for James Finn
James Finn
4.6(
8
)
Basement - Remodel

Serving Amherst, MA and surrounding areas

Approved

In business since 1990

Warranties offered

Small jobs welcome

"James, Chris, and Ken built a beautiful addition for our home. They are meticulous with their work and are highly reliable. We love our new room!"
Deck
Kitchen
New home
New home
New home

+93

Response time9 hrs
1 neighbors recently requested a quote
Recommended by71%of homeowners
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Basement Remodel FAQs, answered by experts

You should always use high-quality lumber for your framing in order to ensure it will last the test of time and resist moisture. Use 2-foot by 4-foot lumber that is pressure-treated for your framing.

Permits may be required for major repairs, structural work, or electrical and plumbing restoration after a flood. Check with your local building department to determine permit requirements and associated fees for your flooded basement cleanup project. Obtaining the correct permits helps ensure work is done safely and up to code.

Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.

Adding a bathroom to your basement can increase your home value since homes with multiple bathrooms sell for more. The return on investment (ROI) for a basement bathroom is 50% to 75%. The actual return varies with your home and location. Adding a half bath to your home increases the value by 2.9% while finishing a basement increases the home value by 6.6%.

Installing a bathroom in a basement isn’t a project for most homeowners. Many parts—plumbing, electricity, and carpentry—go into this project, each requiring expert-level knowledge and tools. One miscalculation can lead to very expensive repairs. Plus, some homeowner’s insurance might not pay for damages caused by a homeowner DIYing this project. You can protect yourself by allowing the pros to complete this job for you. 

The Amherst, MA homeowners’ guide to basement remodels

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