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A finished basement is the most cost-effective way to add livable square footage in the Treasure Valley, turning an unused lower level into a family room, guest suite, home office, gym, or income-generating apartment. Boise Remodeling Co handles the full basement remodel under one design-build team: egress, framing, insulation, moisture control, mechanicals, and finishes, all permitted and inspected.

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Basement Remodeling & Finishing in the Treasure Valley

A finished basement is the most cost-effective way to add livable square footage in the Treasure Valley, turning an unused lower level into a family room, guest suite, home office, gym, or income-generating apartment. Boise Remodeling Co handles the full basement remodel under one design-build team: egress, framing, insulation, moisture control, mechanicals, and finishes, all permitted and inspected.

Get an estimate

Planning from$35kYour exact range is confirmed at the free in-home visit

A CLEAR SCOPE

Plan the details.
Know the next step.

  • 01Design and layout planning for your lower level
  • 02Egress windows and code-compliant emergency exits where required
  • 03Framing, insulation, and vapor and moisture management
  • 04Electrical, lighting, HVAC extension, and optional wet bar or kitchenette
  • 05Flooring, drywall, trim, and finish selections guidance

Why choose us

Why homeowners choose us

  • 01

    More livable square footage

    without changing your home's footprint or roofline

  • 02

    Egress windows

    insulation, and moisture control done to code for a dry, healthy space

  • 03

    One accountable team for framing

    mechanicals, and finishes, with no separate subs to coordinate

  • 04

    Flexible layouts: family room

    guest suite, home theater, office, or a basement apartment

Design inspiration

See the possibilities

Explore a design direction for your own home. Final layouts and materials are tailored to your property.

Design inspiration: Basement Finish

Basement Finish

Basement design inspiration exploring comfortable living space, finishes, and lighting.

How it works

Our process, step by step

01

Assessment and moisture check

We evaluate ceiling height, moisture, existing mechanicals, and egress so the plan starts on a dry, code-ready foundation.

02

Design and layout

We design the lower level around how you will use it and confirm a written scope and allowances before construction.

03

Permitting and construction

We file permits and manage framing, mechanicals, and finishes with weekly written updates.

04

Inspections and walkthrough

Final inspections are coordinated and we walk every detail with you before handoff.

Planning details

Typical timeline

Most basement remodels run 6 to 12 weeks after permits, depending on square footage, egress work, and whether a bathroom or kitchenette is included.

Basement finishing cost in the Treasure Valley

As of 2026, finishing a basement in the Boise area commonly plans $40,000 to $100,000 or more. Open family rooms sit at the lower end; egress windows, a full bathroom, a kitchenette, or a bedroom suite reach the upper end.

These are planning ranges, not bids. Egress work, plumbing access, and moisture or radon mitigation drive basement budgets, which we confirm in a written scope after your free in-home visit.

Basement Remodeling across the Treasure Valley

We provide basement remodeling services throughout the Treasure Valley, with dedicated local pages for each city we serve. Permit paths, housing stock, and HOA requirements differ between Ada and Canyon County communities, so each city page covers the details that matter where you live.

Choose your city below to see local basement remodeling guidance, or schedule a free in-home consultation to discuss your project directly.

Why design-build for your basement remodeling

As a design-build remodeler, we bring design, estimating, permitting, and construction under one contract and one accountable team. That removes the handoffs and finger-pointing that happen when a separate designer and general contractor are involved - and it keeps your basement remodeling on a single, coordinated schedule.

You get a written scope before construction begins, clear allowances for selections, proactive communication throughout the build, and a workmanship guarantee when the project is complete.

Planning your budget

What might your project cost?

Get a preliminary planning range based on real Treasure Valley remodel costs, with no obligation.

Get an estimate

Free · Not a binding quote

  • 01Based on real Treasure Valley project costs
  • 02Project details reviewed by our team
  • 03Additional details or a site visit may be needed

Common questions

Frequently asked questions

Start your project

Ready to begin?

Free 60 to 90 minute in-home visit.

Planning guidance, design direction, no obligation.