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Top-Rated Basement remodelers in Constantia - Updated Nov 2026

Avatar for Schenandoah Construction Services
Schenandoah Construction Services
5.0(
3
)
Basement - Remodel

Serving Constantia, NY and surrounding areas

Approved

In business since 2016

Free estimates

Customers say: Quick response

"They finished the basement and installed a bathroom. They designed the layout snd everything turned out great. Their quote was what they charged in the end and they did great. Their quote was appropriate and affordable. The value was excellent and we are very happy"
Basement remodel
Basement remodel
Bathroom remodel
Kitchen remodel
Basement remodel

+3

Response time2 days
Recommended by100%of homeowners
Avatar for JB Splash Remodeling
JB Splash Remodeling
5.0(
5
)
Basement - Remodel

Serving Constantia, NY and surrounding areas

Approved

In business since 1995

Free estimates

Small jobs welcome

"JB Splash is a great company to work with. Quick and competitive appraisals. Keeps you well informed of when they will be there and how long the job should take. JB Splash has remodeled our bathroom and kitchen and most recently installed our new fence and did several general contracting jobs in the house in preparation to sell. We highly recommend JB Splash!"
Addition to a lake house
Addition to a lake house
Addition to a lake house
Addition to a lake house
Addition to a lake house

+53

Response time11 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for J.Garrison property maintenance
J.Garrison property maintenance
New to Angi
Basement - Remodel

Serving Constantia, NY and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

Here at J.Garrison property maintenance we specialize in landscaping and general property maintenance we take much pride in our work to ensure our customers high quality and reliability we specialize in lawn care, spring /fall clean up, tree trimming, mulch/topsoil, also retaining walls and small concrete jobs

Backyard restoration
Backyard restoration
Backyard restoration
Lawn care 2025
Lawn care 2025

+5

Avatar for One Stop Construction & GC
One Stop Construction & GC
New to Angi
Basement - Remodel

Serving Constantia, NY and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job. \n

1
2
1
2
Before

+4

1 neighbors recently requested a quote
Avatar for JLC Contracting LLC
JLC Contracting LLC
5.0(
24
)
Basement - Remodel

Serving Constantia, NY and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"It went extremely well. Jose and his crew did a great job with my bathroom remodel and leak repair. Jose did a great job in communicating with me and finished the job in a timely manner. I would definitely hire Jose again."
Kitchen and Bath Remodeling Project
New window installation
Decks and Porches Project
Remodeling - Kitchen & Bathroom Project
Garage conversion

+123

Recommended by86%of homeowners
Avatar for Guiles & Son
Guiles & Son
5.0(
5
)
Basement - Remodel

Serving Constantia, NY and surrounding areas

In business since 1974

Free estimates

Emergency services offered

"Their work and service was spectacular, excellent mechanic, and the nicest guy to work with, he really knows his craft, my daughter had him remodelled her bathroom as well. And very neat, cleans up after every workday."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Recommended by100%of homeowners
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Basement Remodel FAQs, answered by experts

Adding an extension or addition to your home costs more than a loft conversion in all but the rarest cases where the home's structural integrity is lacking. Because a home addition requires a new foundation section or significant structural upgrades to handle a cantilevered portion, the cost compared to almost any loft conversion is significantly greater for the same square footage.

Yes, it is possible to turn a regular basement into a walkout basement. Doing so involves excavating the land around at least one side of your basement foundation, installing retaining walls to create a permanent below-grade area outside your home, and then cutting into the foundation to install an exterior door that leads out to the new space. This is an expensive and time-consuming project, but it can add a lot of value and utility to your home.

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%.

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.

Key trends include home gyms, theatre rooms, additional rooms (bedroom/office), and more, with personalized styles reflecting individual preferences.

The Constantia, NY homeowners’ guide to basement remodels

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