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Find Basement remodelers in Signal Hill

Avatar for Beneflipper Construction Corp
Beneflipper Construction Corp
5.0(
10
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2020

Free estimates

Small jobs welcome

"I hired this company to demo the concrete in my backyard in order to set up a proper foundation for an ADU. They came and got the job done quickly and removed any excess material associated with the demo."
Before
1
After
Exterior Side Entrance
Exterior Front Entrance

+122

Response time2 days
5 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for WeBuild Home Efficient
WeBuild Home Efficient
5.0(
15
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Bar and the WeBuild Efficient team did a great job installing pavers on my driveway and fixing my wooden steps and garage. He was very professional and responsive. I would recommend them, highly."
WeBuild Home Efficient
My jobs
My jobs
My jobs
My jobs

+46

21 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.3(
21
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Leo was very helpful and quick to respond. We’re happy with how our 2 bathrooms turned out. Project was completed within the time promised. Our only complaint is that the workers did not clean up very well. But overall, we’re satisfied and we’ll use them again. "
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+1

Response time6 hrs
Recommended by28%of homeowners
Avatar for All Service Industries, Inc.
All Service Industries, Inc.
4.8(
6
)

Serving Signal Hill, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Credit card accepted

"Jay Stone is the person I worked with to upgrade our bathroom. Very good communicator and open to suggestions during the project. My wife and I are very happy with the finished product. The upgrade increased the value of our house by much more than the cost of the project. Very happy customers. Would highly recommend their service."
Response time1 day
Response rate98%
6 neighbors recently requested a quote
Avatar for Legacy West Development
Legacy West Development
5.0(
2
)

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Hired Legacy West Development to cleanup attic, remove old insulation, sanitize, rodent proof, and install new insulation. The team did a great job! My 75 year old attic looks brand new. Quinton and his team ensured the job was done right. Many thanks! I will be using Legacy West for all future home projects. Very professional and easy to work with. I’m so glad, after many years of searching, to have a trusted contractor for my home reno needs."
Warehouse Epoxy
Warehouse Epoxy
Warehouse Epoxy
Warehouse Epoxy
Warehouse Epoxy

+7

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Showing 1-10 of 729
FAQs for basement remodeling projects in Signal Hill, CA

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 Signal Hill, CA homeowners’ guide to basement remodelings

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