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Find Basement remodelers in Seneca

Avatar for Mighty Basement & Bath
Mighty Basement & Bath
5.0(
23
)

Serving Seneca, IL and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"We recently had our 1,400-square-foot basement finished, and we couldn’t be happier with the results. The project included two bedrooms, a full bathroom, and a versatile multi-purpose space with two kitchen cabinet areas—and everything was completed beautifully. From start to finish, Scot proved to be an outstanding project manager. Communication was consistent and clear throughout the entire process, which made a big difference in keeping everything on track and stress-free. He was also incredibly efficient, ensuring the project moved forward smoothly without sacrificing quality. His crew was a pleasure to work with—professional, respectful, and clearly skilled in their craft. The attention to detail and precision in their work really stood out, from the finishes to the overall layout and functionality of the space. We highly recommend him to anyone looking for a reliable, communicative, and detail-oriented contractor. Our basement turned out even better than we envisioned."
TV and Entertainment
Main area
Entertainment
Fitness Room
Finished Space

+33

Response time9 hrs
1 neighbors recently requested a quote
Avatar for Lavalle Construction
Lavalle Construction
4.9(
35
)

Serving Seneca, IL and surrounding areas

Angi Approved

In business since 2013

Free estimates

Credit card accepted

"Brian LaValle is a God Send!! Bought my home for under 20k and Brian has done everything from the basement to the roof!!! Drive by and Look at It. 705 Lundy St Streator. It sat for 5 1/2 years after a destructive foreclosure. There was no bathroom! Everyone Loves my bathroom now. The house looks Modern and heâ  s SO professional and comfortable and has been working on my home for well over a year so we pitched him keys to the house. I slept in the other day while him and his crew, always making sure my cats donâ  t get out, installed my laundry room floor. Never thought something like that could happen! Grade A work! Im So Proud of my house! This guy Checks My House to assure itâ  s sound and safe! The addition was attached to the original house. My roof was stressed and leaking. He â  tiedâ  (their lingo) the 2 lil houses together. Now Iâ  m saving up for him to do the roof. I flipped and remodeled 4 homes of my own when I was younger. This guy is the best. I humbly admit. Brian LaValle 815-674-8152"
Roof
Soffit and fascia damage
Soffit damage
Soffit damage
Fascia repair

+15

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for RenewBuild, LLC
RenewBuild, LLC
New to Angi

Serving Seneca, IL and surrounding areas

Angi Approved

In business since 2024

Free estimates

Warranties offered

RenewBuild LLC, doing business as RenewBuild Painting, provides professional residential and commercial painting services throughout Chicago and surrounding suburbs.\n\nWith over 15 years of combined experience, we specialize in high-quality interior and exterior painting, including walls, ceilings, trim, doors, cabinets, siding, decks, and detailed surface preparation.\n\nWe also offer drywall repair services such as patching holes, repairing minor cracks, and correcting surface imperfections to ensure smooth, paint-ready finishes.\n\nIn addition, we provide baseboard installation and replacement as part of our interior finishing services, helping property owners update and complete their spaces before or after painting.\n\nOur team uses premium Sherwin-Williams products and proven application methods to deliver clean, durable, and long-lasting results. We are licensed and insured, bilingual, and committed to reliable service, clear communication, and free detailed estimates.

Avatar for Klock Home Services
Klock Home Services
New to Angi

Serving Seneca, IL and surrounding areas

Angi Approved

Free estimates

Emergency services offered

Warranties offered

Hi, I’m Kevin with Klock Home Services, proudly serving the Fox Valley area. I provide reliable, detail-oriented handyman and home repair services at fair prices. From furniture and drywall repair to minor carpentry, fixture installs, and general maintenance, I treat every project like it’s in my own home. Whether it’s a small fix or a larger task, you can count on quality work done right the first time.

Avatar for ARMORED FLOORS INC
ARMORED FLOORS INC
4.7(
18
)

Serving Seneca, IL and surrounding areas

In business since 2005

Free estimates

Warranties offered

"Armored Floors did a great job, floor looks wonderful. Tammy was a pleasure to work with. This is the second time using them, I had my garage done and liked it so much I had them back years later to do my pool house. I would recommend them to friends and and family."
Recommended by94%of homeowners
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FAQs for basement remodeling projects in Seneca, 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 Seneca, IL homeowners’ guide to basement remodelings

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