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Find Basement remodelers in Oswego

Avatar for J K Complete Remodeling & Construction Inc
J K Complete Remodeling & Construction Inc
4.7(
308
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 1998

Free estimates

Warranties offered

"I’ve always wanted a second bathroom. I contacted JK Complete R&C. Jack came to my home and assessed the would be project. Jack gave me a reasonable price, start and proposed finish date. Then I met the crew John, Mike and Ziggy. We had a great relationship. Everything that was to be accomplished was explained to me on a daily bases. By the end of the project we had a bond and it felt like family. I also learned quite a bit in the process. I am total fascinated with my new bathroom. I have already recommended JK Complete to family members."
Response time1 day
9 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Mighty Basement & Bath
Mighty Basement & Bath
5.0(
21
)

Serving Oswego, IL and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"Scot and his team were great. Very efficient and easy to communicate with via text or calls, with great response time. I would Recommend Mighty Basement an Bath for any of needs."
TV and Entertainment
Main area
Entertainment
Fitness Room
Finished Space

+33

Response time9 hrs
1 neighbors recently requested a quote
Avatar for FORT ENG
FORT ENG
5.0(
13
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 2023

Free estimates

Credit card accepted

"This company is professional, caring and want to do a great job. They were on task, finished on time and did a beautiful job! attention to detail and removing years old rust off an outside railing."
Bathroom projects
Bathroom projects
Bathroom projects
Bathroom projects
Bathroom projects

+14

Response time10 mins
Response rate100%
Recommended by100%of homeowners
Avatar for Go Easy Construction
Go Easy Construction
5.0(
10
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 2024

Free estimates

Credit card accepted

"We are very impressed with the updates to our kitchen. Couldn’t be happier with the outcome or the easy of working with Chris and his team. Very professional and communicative throughout the entire process. "
My Work
My Work
My Work
My Work
My Work

+2

Response time1 day
4 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Craftsman Builders Inc.
Craftsman Builders Inc.
5.0(
16
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 1990

Free estimates

Warranties offered

"Larry and his crew were very professional. I appreciated his suggestions which made the job even better. He was always here when he said he would be and the finished basement is beautiful."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+30

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for KSRP Construction, Inc.
KSRP Construction, Inc.
4.7(
17
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 2011

Free estimates

Emergency services offered

"We had a wonderful experience working with KSRP Construction! From initial contact to job completion, communication was always very prompt and concise. We were needing to build a wall to close up our loft (to convert into a bedroom) and KSRP provided fair pricing, were quick and efficient and got the job done right. Roberto and Sebastian were incredibly professional, polite, skilled and detailed. Not only were we impressed with the work itself, but these guys were so thorough from initial tarping to final clean up. We have several neighbors and family members who are planning future house projects and you best believe we've already highly recommended KSRP Construction - specifically Roberto and Sebastian for the job!"
Lockport Flip
Kankakee
Kankakee
Amli Apartments
Home Burnt

+503

7 neighbors recently requested a quote
Recommended by88%of homeowners
My Property Masters
4.3(
158
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 2008

Emergency services offered

Warranties offered

"The handyman, Paul, was punctual, professional and did quality work. He replaced the small section of my wood soffit that had water damage with new wood, painted it and caulked. He cleaned up the area when he was done. Paul also re-secured several of my window shutters that had loose screws. He spray painted the screw caps to match the color of my shutters. "
Response time8 hrs
352 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for Genstone Construction
Genstone Construction
5.0(
5
)

Serving Oswego, IL and surrounding areas

Angi Approved

In business since 2018

Free estimates

Warranties offered

We bring over 40 years of expertise in bespoke home renovations crafted to reflect your vision, lifestyle, and standards. From gourmet kitchens and spa-inspired bathrooms to seamless additions and full-home transformations, our work is defined by timeless design, superior craftsmanship, and a client-first approach.\nOur elite team delivers a seamless experience from concept to completion, managed with meticulous attention to detail ensuring daily progress, quality, and clear communication.\nWe don’t ask for upfront payments - because trust is earned, not expected. Work begins only once permits are secured and materials are ready, ensuring complete transparency. Clients are fully protected with contractor liability insurance and receive lien waivers with each payment milestone.\nNo two homes and our custom process ensures a tailored renovation experience that delivers luxury without compromise and beauty without the burden.

New kitchen remodel
Kitchen Remodel
Bathroom
Bathroom
My jobs

+8

Response time1 day
1 neighbors recently requested a quote
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FAQs for basement remodeling projects in Oswego, IL

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Oswego, IL homeowners’ guide to basement remodelings

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