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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon166
    Verified basement remodels reviews

Top-Rated Basement remodelers in Winnetka - Updated Nov 2026

Avatar for JS Precise Remodeling
JS Precise Remodeling
4.8(
42
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

In business since 1999

Free estimates

Small jobs welcome

"I actually had Jerry come to my house for a basement appraisal. I decided to take that project off the table and asked him to redo my front hall and small powder room , I was so impressed that my husband and I than asked him to remodel our master suite, and that turned out absolutely beautiful. We than asked Jerry to remodel our very outdated family room and kitchen. He and his incredible sidekick Rafael just finished these two rooms and my husband and I could not be more thrilled. These two men are professional, kind, courteous, honest and very hard working. This entire experience was awesome"
WOODRIGE
STREAMWOOD
SCHAUMBURG
CHICAGO
bifor

+55

Recommended by90%of homeowners
Avatar for 4Ever Remodeling
4Ever Remodeling
4.9(
392
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"We are so happy with our basement remodeling amazing job from start to finish. Damian and his team are very professional, accurate and always answered our questions and concerns. We will be using 4Ever Remodeling in the future."
Full Kitchen Remodel
Basement Living
Kitchen Remodel
CAFÉ Appliances
Pendant Lighting

+671

Response time11 hrs
39 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Don Lorenc construction services, Inc.
Don Lorenc construction services, Inc.
4.8(
37
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"We hired Don Lorenc to build out our unfinished basement. Don was friendly and easy to work with and offered good suggestions on incremental improvements to our design. When issues came up, he communicated thoroughly and offered cost effective solutions. His carpentry team was exceptional and we are very happy with the final product."
Basement construction
Basement construction
Additional Photos
Additional Photos
Additional Photos

+33

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Lupfer Builders
Lupfer Builders
4.6(
173
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"HVAC was not draining properly and had to reroute drain tube to sump pump well with improved gravity feed for proper drainige (needed to go behind paneling in basement walls). They did an excellent job, works like a charm!"
David Lupfer
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time1 day
5 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for The James Construction Group Inc
The James Construction Group Inc
5.0(
13
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

In business since 2005

Warranties offered

Customers say: True professional

"We had more than 80% of the old house remodeled with new additions. It’s a daunting task and huge project. However, Dimitritis and Joshua made it easy and did a great job in completing our dream home. Joshua was fantastic managing the daily tasks and excellent with details. They were very responsive in re-addressing even with minor adjustments. Definitely recommend."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+79

10 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for FB Construction, Inc.
FB Construction, Inc.
4.9(
77
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"FB Construction did a great job with our kitchen renovation. Max was always responsive and was in constant communication with us throughout the project. His pricing was competitive and transparent - no hidden costs or additional charges. Highly recommend for any renovation or home project."
 Exterior
 bathroom
 bedroom
 family / living  room
 Double sink

+16

Response time1 day
3 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for J K Complete Remodeling & Construction Inc
J K Complete Remodeling & Construction Inc
4.7(
316
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"JK complete remodeling did a wonderful job on our basement! They were always on time, and working very hard to complete the job. They kept us updated on everything they were doing throughout the process. The work they did on our basement turned on amazing, from the painting, to the floors, everything looks perfect and professional. Thank you jk complete, we will be calling them for any future projects at our home."
Response time1 day
8 neighbors recently requested a quote
Recommended by98%of homeowners
A P Builder & General Contractor LLC
4.1(
98
)
Basement - Remodel

Serving Winnetka, IL and surrounding areas

Approved

Warranties offered

Customers say: Super punctual

"We recently had our basement bathroom redone due to water damage from broken water pipes. It was a pleasure working with Angelo and his team who were all very professional and experienced. Angelo was in constant contact and made sure that all work was performed to my satisfaction."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Response time5 days
Response rate99%
4 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

The time it takes to finish or remodel a basement can vary significantly, ranging from a few weeks to several months or even up to a year. On average, the construction phase can take four to eight weeks, but the total project time can extend to three or four months when including planning and permits. The timeline depends on several factors, including the basement's size, design complexity, the scope of the work, and your contractor's availability. A more detailed breakdown for an average-sized basement might include: framing (3-5 days), electrical and rough-in plumbing (3-5 days), drywall installation (5 days), flooring (2-3 days), and final touches like painting and trim (about a week). If preliminary work like installing a waterproofing system or addressing structural issues is needed, the timeline could extend to six to twelve months. Factors like difficult access, material transport, and ventilation needs can also add to the project's duration.

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.

Common mistakes when finishing basement walls include neglecting proper insulation, insufficient moisture management, and poor ventilation. Not addressing these issues can lead to mold growth, water damage, and discomfort. Additionally, inadequate planning, improper framing, and rushing the project can result in subpar outcomes. 

It's essential to follow best practices, seek professional guidance if needed, and prioritize thoroughness and attention to detail.

Save money on your basement finishing project by making cost-effective decisions such as minimizing structural changes and avoiding costly construction revisions. DIY simpler tasks such as painting or basic cleanup to reduce labor costs. You can also opt for energy-efficient fixtures and materials that may qualify for rebates or tax incentives.

The difficulty of adding a basement to an existing house can vary depending on the house’s location, the size of the basement, and the type and condition of the existing foundation. Adding a basement is a job best handled by the pros, so you’ll need to enlist professional help for this project.

The Winnetka, IL homeowners’ guide to basement remodels

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