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Top-Rated Basement remodelers in Tillson - Updated Nov 2026

Avatar for OC Construction
OC Construction
5.0(
7
)
Basement - Remodel

Serving Tillson, NY and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"I had a great experience with OC Construction! They did an amazing job on my floors, tub and vanity ?they came out beautiful. The team was very professional, worked efficiently, and completed the job much faster than I expected without sacrificing quality. They were courteous, kept the work area clean, and paid attention to every detail. I highly recommend OC Construction to anyone looking for quality workmanship and reliable service. Thank you for a job well done!"
Exterior stone wall
Exterior stone wall
Exterior stone wall
Bathroom tile
Bathroom tile

+64

7 neighbors recently requested a quote
Avatar for C&O PrimeBuild LLC
C&O PrimeBuild LLC
5.0(
8
)
Basement - Remodel

Serving Tillson, NY and surrounding areas

Approved

Free estimates

Emergency services offered

Credit card accepted

"C&O was pretty efficient . Andrew and his team was always on time and communication was always there. They worked in a few rooms in my house including my kitchen.Prices were affordable. And everything was explained in detail. Would definitely recommend to anyone looking to renovate their home."
Kitchen Renovation
Kitchen Renovation
Kitchen
Before
Porch

+5

6 neighbors recently requested a quote
Avatar for Affordable Property Management
Affordable Property Management
5.0(
3
)
Basement - Remodel

Serving Tillson, NY and surrounding areas

Approved

In business since 2010

Credit card accepted

Customers say: True professional

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for HNI Builders
HNI Builders
2.9(
9
)
Basement - Remodel

Serving Tillson, NY and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Hugh's three workers were fantastic. They completed the work on the deck replacement in a day-and-a-half. The work was done cleanly with no damage to the landscaping that is so close to the project. Clean up when the project was completed is superior to any other we had done in the past. The refurbished storm door looks brand new and is a welcoming addition to the project. Hugh contacted us the same day as our request and showed up for the initial estimate on time. I cannot emphasize more what a pleasant experience it was having Hugh and his workers take care of our project. HNI is being highly recommended by us, and we will be calling him for additional projects in the future. The quality of the work done far exceeds the cost. Thank You. Hugh"
Kitchen Renovation
Family Room Renovation
Dining Room Renovation
Kitchen Remodel
Kitchen Remodel

+20

Response time3 days
Recommended by100%of homeowners
Let's Talk Kitchens & Baths
5.0(
1
)
Basement - Remodel

Serving Tillson, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Ray has done numerous projects for me over the past 25+ years, from simple door replacements to full house renovations. Ray is attentive to details and ensures you are happy with the work. I have always found his pricing to be appropriate and competitive and, most importantly, he is a gentleman with whom you will always feel comfortable and respected."
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Basement Remodel FAQs, answered by experts

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%.

Framing a basement takes three to five days, on average, when completed by a professional, though it may take longer for a larger space. Keep in mind this doesn’t include the time to complete the design, obtain permits, and install the drywall on the framing. On average, fully finishing a basement takes an average of 45 days.

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.

When considering finishing your basement, take into account a few pros and cons:

Pros

  • Can increase the value of your home

  • Separate space from the rest of the house 

  • Customize and personalize the basement to suit your needs and style

  • Increase the amount of living space in your home

Cons

  • May not regain enough value to cover the cost of finishing

  • Lack of natural light if it’s below ground level

  • Moisture or flooding can cause costly damage

  • Installing plumbing and electrical can be messy and costly

Yes, adding a walkout basement will usually bump up your property value. Most homeowners prefer walk out basements because the exposed wall that’s level with the ground provides more utility via a ground-level exterior entrance, and they can fit full windows, which adds natural light and ventilation to the basement area. The only exception might be in areas prone to tornadoes, as walkout basements aren’t as safe as regular basements during a tornado, particularly if they include large windows or glass sliding doors.

The Tillson, NY homeowners’ guide to basement remodels

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