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Find Basement remodelers in Claremont

Avatar for JBI General Construction & Renovations
JBI General Construction & Renovations
4.9(
33
)

Angi Approved

In business since 2017

Free estimates

Emergency services offered

"JBI did a great job with additional lighting in my bathrooms. It was done professionally. Jose’s and his helper were puntual and friendly. Once the job was completed, they meticulously cleaned the debris leaving the area the same way found before the job. I really appreciated. The attention to detail and I will definitely call him back on my next project. "
2 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for WeBuild Home Efficient
WeBuild Home Efficient
5.0(
15
)

Angi Approved

In business since 2019

Free estimates

Customers say: Quick response

"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."
10 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Maple Construction and Development Inc.
Maple Construction and Development Inc.
5.0(
2
)

Angi Approved

In business since 2023

Free estimates

"We did a full house renovation, and Jay gave us so many professional suggestions on electrical and plumbing layout, kitchen, island, bathrooms, bedrooms, and staircase design and planning. He carefully combined his expertise with our needs, and the final renovation turned out better than we could have imagined. Our whole family is very satisfied with the result. We highly recommend Jay as an architect for anyone looking to renovate their home!"
1 neighbors recently requested a quote
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Avatar for Josue E Guevara
Josue E Guevara
4.6(
28
)

Angi Approved

Super Service Award Winner

In business since 2015

Free estimates

Customers say: True professional

"Did not show up twice when he was supposed to and when I reach out to find out why, he ignored my text and phone call. "
10 neighbors recently requested a quote
Recommended by92%of homeowners
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All County Landscaping & Hardscaping
New to Angi

Free estimates

Warranties offered

We specialize in landscaping & hardscaping in Los Angeles, CA. Our commitment is to complete every project on time, within budget, and to your complete satisfaction. We take that pledge seriously.\n\nWe design and execute all our hardscaping projects to fit the style of your home or commercial property. Our installation are built to fit into their environments and not waste natural resources. We work closely with our clients to actualize their artistic visions. Contact us today for a quote on your next landscaping & hardscaping project.

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Avatar for Build4U Construction and Design
Build4U Construction and Design
New to Angi

In business since 2006

Free estimates

Emergency services offered

CONSTRUCTION IS IN OUR DNA. FROM PLANNING, DESIGN TO CONSTRUCTION MANAGEMENT AND FINAL DELIVERY. Being in the right hands makes all the difference sometimes. At Build4U Construction and Design we care about every detail. Our family care about your family and will ensure the project will be delivered on time on budget to your full satisfaction. We are aware that construction may be overwhelming, dusty and noisy. Our professional crews understand and are sensitive to your needs as you need to continue with your daily lives while we work hard at making your dream project come to life. We take each project as our own work and make sure you will be added to our list of happy clients.

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Avatar for Bliss Walk-In Tubs
Bliss Walk-In Tubs
5.0(
1
)

In business since 2012

"Everything went well, the process was pretty smooth, very good job as well as the price. No complaints at all."
Recommended by100%of homeowners
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FAQs for basement remodeling projects in Claremont, 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 Claremont, CA homeowners’ guide to basement remodelings

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

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