Finished basement by Armstrong Construction in Lebanon, Tennessee
    Basement Finishing

    Basement Finishing in Lebanon, Mt Juliet & the Nashville Area

    Middle Tennessee's basement buildout contractor — serving Wilson, Sumner, Davidson, and Rutherford counties since 1999. From open rec rooms to full in-law suites with bath and kitchenette, we turn unused square footage into the most-loved room in the house.

    Limited Lifetime Craftsmanship Guarantee
    Licensed & Insured
    25+ Years Experience

    Endless Possibilities Below

    Your basement can become whatever you dream—we make it happen.

    Living Spaces

    Comfortable family rooms, home offices, and guest suites

    Entertainment Areas

    Home theaters, game rooms, and media centers

    Home Gyms

    Custom fitness spaces with proper flooring and ventilation

    Specialty Rooms

    Wine cellars, wet bars, and hobby rooms

    Our Basement Finishing Process

    From unfinished space to polished living area in weeks, not months.

    01

    Assessment

    We evaluate your basement for moisture, structural needs, and potential

    02

    Design

    Custom floor plans that maximize your space and meet your goals

    03

    Build-Out

    Framing, electrical, HVAC, and insulation professionally installed

    04

    Finishing

    Drywall, flooring, trim, and paint to complete your new space

    Basement Finishing Cost Guide — Middle Tennessee

    Transparent price ranges based on real projects we've completed in Lebanon, Mt Juliet, Hendersonville, and the greater Nashville area.

    Basic Finish

    $30,000 – $50,000

    Typical timeline: 4–6 weeks

    Framing, insulation, drywall, basic electrical and lighting, LVP flooring, paint, and trim. One open living area, no bath.

    Mid-Range Buildout

    $55,000 – $90,000

    Typical timeline: 6–10 weeks

    Multiple rooms, full bathroom add, upgraded flooring, recessed lighting, HVAC extension, and egress window. Most popular Wilson/Sumner County package.

    High-End Custom

    $95,000 – $175,000+

    Typical timeline: 10–16 weeks

    In-law suite or apartment, wet bar or full kitchenette, home theater, custom built-ins, premium finishes, and structural work.

    Want a number specific to your basement? Try our free project calculator or request a free in-home consultation.

    What's Included in an Armstrong Basement Finish

    One contract, one crew, one point of contact — every trade managed in-house.

    Moisture and structural assessment
    Permits and inspections (Wilson, Sumner, Davidson, Rutherford)
    Egress windows where required by code
    Framing, insulation, and vapor barriers
    Electrical, recessed lighting, and dedicated circuits
    HVAC extension, ductwork, and returns
    Plumbing rough-in for baths or wet bars
    Drywall, trim, doors, and paint
    LVP, carpet, or tile flooring
    Sound insulation between floors (optional)
    Daily jobsite cleanup
    Limited Lifetime Craftsmanship Guarantee workmanship warranty

    Popular Basement Buildouts We Design

    From open rec rooms to full in-law suites — we design basements that match how your family actually lives.

    Family & Rec Room

    The most-requested Middle Tennessee basement buildout — open living area, big-screen wall, and durable LVP flooring for kids and pets.

    In-Law or Guest Suite

    Bedroom, full bath, and optional kitchenette with egress windows to code. Popular for multi-generational families in Mt Juliet and Hendersonville.

    Home Theater & Game Room

    Tiered seating, dedicated AV wiring, sound insulation, and bar area. We coordinate with your low-voltage installer end to end.

    Home Gym or Office

    Rubber flooring, dedicated circuits, sound dampening, and proper ventilation — built for daily use, not just looks.

    See real builds in our basement project gallery.

    Basement Finishing Timeline — Week by Week

    What to expect from framing to final walkthrough. Most mid-range Middle Tennessee basements finish in about 6–10 weeks.

    Weeks 1–2

    Prep & Framing

    Moisture mitigation, layout, framing of walls, soffits, and door openings. Permit and inspection scheduled.

    Weeks 3–4

    Rough-In

    Electrical, plumbing, and HVAC rough-in. Egress window cut and installed if needed. Inspections passed before insulation.

    Week 5

    Insulation & Drywall

    Insulation, vapor barrier, drywall hang, tape, mud, and texture. Primer coat applied.

    Weeks 6–7

    Flooring, Trim & Paint

    Flooring installation, baseboards, doors, casing, and interior paint. Cabinetry and built-ins where included.

    Week 8

    Finishes & Punch List

    Lighting fixtures, plumbing fixtures, HVAC registers, hardware, and final walkthrough.

    Basement Finishing Across Middle Tennessee

    Adding valuable living space to homes in Wilson, Sumner, Davidson, and Rutherford counties.

    Basement Finishing FAQs

    Common questions from Middle Tennessee homeowners

    Ready to Finish Your Basement?

    Get a free assessment and estimate for your basement finishing project.

    • Free moisture assessment
    • Custom design included
    • Transparent pricing
    • Financing available

    Get Your Free Basement Quote

    No obligationResponse in 24hrs

    Try Our Free Project Calculator

    Answer 9 quick questions and see your project's budget range instantly.

    4.9 Stars (124+ Reviews)Limited Lifetime Craftsmanship Guarantee