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Top-Rated Basement remodelers in Ross - Updated Nov 2026

Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Basement - Remodel

Serving Ross, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We hired McCormick Home Builders to remodel our living room, and we are beyond pleased with the result. The team was professional, worked efficiently, and Aris design ideas made a huge difference. The room feels so much brighter and more spacious. This was the best decision we made for our home, and we were already planning our next remodel with them."
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+1

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

Serving Ross, 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 Deleon E Hijo Construction
Deleon E Hijo Construction
5.0(
7
)
Basement - Remodel

Serving Ross, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Offers commercial services

"Joe, Abel, and Crew did an awesome job building our 28’x8’ Timbertech deck, 25’ elevated on a hillside. Joe worked closely with the Mill Valley permitting office to get the engineering plans approved, and once we got the green light the deck shot right up! We’re extremely happy we chose them to build the deck and would happily recommend for anyone looking at similar projects."
Apartment Remodel
Apartment Remodel
Apartment Remodel
Apartment Remodel
Apartment Remodel

+6

Response time4 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Mueller Construction
Mueller Construction
4.2(
5
)
Basement - Remodel

Serving Ross, CA and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Keith was a pleasure to work with. He responded to our call promptly and assured us that he could help us. We needed an old iron railing and bannister replaced with wooden ones. He assured us he could do the job and it would be first class. He was totally correct. He even came to our house on a Saturday to assist us in choosing the materials. He explained all our options and helped us pick what we wanted and which items would go best together. He fit our schedule, and after staining and varnishing the product at his place, he installed them in one day with the assistance of his helper Remi. We are totally satisfied with the finished product and his expertise. We would highly recommend Keith."
Walk In Shower
Bath sink for Twins
Flower Tile / Shower
Walk In
Walk in Fixtures

+34

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for String Theory Construction
String Theory Construction
5.0(
2
)
Basement - Remodel

Serving Ross, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Dana is knowledgeable, reliable and extremely talented. He helped us with a very complex master bedroom and bathroom addition which we absolutely love. Highly recommend"
Tiled deck
Tiled deck
Tiled deck
Night-view of the finished product
Below deck composite soffit boards

+13

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
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FAQs for basement remodeling projects in Ross, 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 Ross, CA homeowners’ guide to basement remodelings

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