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Top-Rated Basement remodelers in Monrovia - Updated Nov 2026

Avatar for MVP Remodeling
MVP Remodeling
5.0(
53
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Warranties offered

"I never expect remodeling to go smoothly but MVP Remodeling was very professional, very courteous, respectful of my home, neat and tidy everyday! Josef stays in close touch with you to keep you in the loop every step of the way. I Highly recommend MVP Remodeling!"
Pavers and Hardscaping Project
Roofing Project
Landscaping Project
Earthquake Retrofitting Project
Foundation Repair Project

+175

3 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Our kitchen remodel exceeded our expectations, providing us with a beautiful and highly efficient space for cooking and gathering. We're thrilled with the results, as the new design seamlessly integrates style and functionality."
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+1

Response time6 hrs
Recommended by17%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I had my garden and bathroom remodel done. Albert and Samuel were professional, friendly, and a delight to work with. They're responsive and reliable. I also like the subcontractors whom they used on my project. They kept me informed of everything and I appreciate their excellent work."
Response time5 days
Recommended by77%of homeowners
Avatar for CONTINENTAL REMODELING INC
CONTINENTAL REMODELING INC
5.0(
6
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"I work with Continental Remodeling as their insulation subcontractor. Their team is amazing to work with, very responsive, organized and professional. Would highly recommend if I was looking to remodel or build new construction. Their work is high quality and unique."
Full Home Remodel (Woodland Hills)
Full Home Remodel (Woodland Hills)
Full Home Remodel (Woodland Hills)
Full Home Remodel (Woodland Hills)
Full Home Remodel (Woodland Hills)

+9

Response time2 days
Recommended by66%of homeowners
Avatar for Oshri Construction
Oshri Construction
4.5(
8
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Asher and his team delivered the job on time and met our discussed estimates budget! They included my wife and I in the decision making process from beginning to end. They were respectful and a pleasure to work with and completely trustworthy. I would recommend them to friends and family without hesitation. -R"
Deck
Kitchen Remodel
Bathroom Remodel
Upscale Bathroom
Guest Bathroom

+99

Response time6 hrs
13 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Saris Building
Saris Building
5.0(
5
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Saris Building is a family-run general contracting business serving homeowners and property owners throughout the Los Angeles area. We offer new home construction, home additions, ADUs, garage conversions, and kitchen and bathroom remodeling.\n\nWe work closely with our clients, focusing on clear communication, detailed estimates, and quality workmanship. From home improvements to complete builds, we take pride in treating your property with care and keeping you informed throughout the job.\n\nContact us to discuss your project and how we can help bring it to life.

Construct an Office Wall
Avatar for NEXTGEN HOME REPAIR LLC
NEXTGEN HOME REPAIR LLC
5.0(
3
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

In business since 2024

Free estimates

Offers commercial services

"We had an amazing experience with NextGen Home Repair during our kitchen remodel. From start to finish, everything was handled professionally and with great attention to detail. The team was reliable, communicative, and clearly took pride in their work. The quality of the craftsmanship is excellent, and the final result turned out even better than we expected!!! They kept the space clean, stayed on schedule, and made the entire process stress free. I would absolutely recommend them to anyone looking for a reliable and skilled company!! We are so happy with our new kitchen and can’t wait to call them for our guest bathroom remodel!"
Final Product
At night
Before
2 neighbors recently requested a quote
Gima Construction
5.0(
2
)
Basement - Remodel

Serving Monrovia, CA and surrounding areas

Approved

In business since 2010

Free estimates

Offers commercial services

We're a locally owned and operated company that values honesty, integrity and treats your home as if it were our own. We offer a variety of general Contractor home improvement services that are customizable to each individual project. We specialize in additions and kitchen remodels, but also offer a wide range of expertise for a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

Response time4 days
Recommended by100%of homeowners
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FAQs for basement remodeling projects in Monrovia, 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 Monrovia, CA homeowners’ guide to basement remodelings

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