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Find Basement remodelers in Bellingham

Avatar for Casali Remodeling, LLC
Casali Remodeling, LLC
5.0(
16
)

Serving Bellingham, WA and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Casali remodeling is so easy to work with. They are dependable, they listen to their clients, and they have great ideas for design! My husband and I were so pleased with the work they did on our two bathrooms that we asked them to remodel our back deck! It turned out perfect as well!"
Completed deck
Interior Stairs
Master Bathroom
Remodeled Kitchen
The Deck

+283

Response time12 hrs
Recommended by100%of homeowners
Avatar for JT Campbell Construction
JT Campbell Construction
5.0(
46
)

Serving Bellingham, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Customers say: Quick response

"Josiah did an excellent job on our down-to-the-studs basement remodel, including flooring, doors, windows, trim and a bathroom. He cares about the details and the quality of his work is superb. He suggested great ideas - like a pocket door for the bathroom. He is easy to work with, collaborative, and very professional. He went above and beyond when we had unforeseen difficulties unrelated to his work. We are looking forward to remodeling another bathroom with Josiah!"
Side Door Entry Deck
Building Stage
Exterior Trim Repair
Exterior Trim Repair
Exterior Trim Repair

+149

Response time2 days
Recommended by80%of homeowners
Avatar for Black Beard, LLC
Black Beard, LLC
5.0(
8
)

Serving Bellingham, WA and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quick response

"Chris Did our Deck and then we hired him for a Complete remodel of our Bathroom, top to bottom redo. This is a Brand New Bathroom and it looks Absolutely Amazing. we have before and After photos. Chris is Very Professional and gets the Job done in a Timely Manner."
STAIRWELL BEFORE
STAIRWELL AFTER
STAIRWELL TOPVIEW
WEST SHOWER WALL
EAST SHOWER WALL

+17

Response time1 day
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Sound Hart, LLC
Sound Hart, LLC
4.9(
15
)

Serving Bellingham, WA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Definitely recommending and using him again in the future. He did my bathroom remodel which included putting in new plumbing, installing new tile, fixing drywall, and installing new vanities."
Response time1 day
Response rate90%
11 neighbors recently requested a quote
Avatar for Emerybuilders, LLC
Emerybuilders, LLC
4.9(
57
)

Serving Bellingham, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Ean has done work for me on things a few times in last couple years. He responded to my inquiry really quickly and gave me estimates quickly also. He is really exacting in his work and does a great job. You can not go wrong"
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel

+81

Response time1 day
Response rate86%
14 neighbors recently requested a quote
Avatar for Isaacs Builders, LLC
Isaacs Builders, LLC
5.0(
8
)

Serving Bellingham, WA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"We are very happy to have Isaacs Builders as our contractors. They do excellent work, are professional, friendly and family-oriented. They listen to our ideas and provided solid design suggestions that gave our space character, as well as the best flow and function. We will be contacting them for any future building/remodeling needs. We are glad to support such a quality family-owned and run business!"
Kitchen Remodel
My jobs
My jobs
My jobs
My jobs

+7

3 neighbors recently requested a quote
Recommended by37%of homeowners
Avatar for Unique Skagit Interiors
Unique Skagit Interiors
5.0(
22
)

Serving Bellingham, WA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Leo and helper rebuilt outdoor stairs and did a very nice job. He was quick and professional from first contact to job completion. But, he underestimated wood needed for replacement of deck boards and he didn’t bid the cleanup/disposal of removed wood so the quote was short by $300. I would recommend Leo just be sure the quote includes everything you want done."
Response time11 hrs
19 neighbors recently requested a quote
Recommended by95%of homeowners
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FAQs for basement remodeling projects in Bellingham, WA

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 Bellingham, WA homeowners’ guide to basement remodelings

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