Free Basement Finishing Cost Calculator (2026)
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Estimate No. RA-20260823-11213
Basement refinishing estimate
A complete budget for a 700 sq ft basement refinish in ZIP code 11213, with mid-range finishes. The categories and amounts below come from the provided project data.
A detailed planning budget organized by professional services and project purchases.
- ZIP code
- 11213
- Country
- USA
- Renovation
- Basement refinishing
- Finish quality
- Mid-range
- Area
- 700 sq ft
Detailed cost breakdown
The full budget is organized into professional services and purchases. Expand or collapse either section to review every category and its scope.
Professionals · 16 categories$69,930
Labor, design, construction, installation, and project-management services.
| Category | Scope | Cost |
|---|---|---|
| Fees, profit and overhead | Contractor fees, project management, and overhead costs for managing the basement refinishing project. | $10,080 |
| Drywall and insulation | Install new drywall and insulation throughout the basement to ensure proper finishing and energy efficiency. | $7,560 |
| Plumbing | Install plumbing for a new bathroom and kitchenette, including water supply and drainage systems. | $7,560 |
| Electrical | Install new electrical wiring, outlets, and lighting fixtures throughout the basement, ensuring compliance with local codes and standards. | $6,300 |
| Carpentry and framing | Framing for new walls, a bathroom, and any custom carpentry required for built-ins or storage solutions. | $5,040 |
| Flooring | Install mid-range flooring such as laminate or carpet throughout the basement. | $4,410 |
| Finish and trim | Install baseboards, crown molding, and other trim work to complete the basement's aesthetic. | $3,780 |
| Window and door installation | Install new interior doors and potentially egress windows to meet safety and code requirements for a finished basement. | $3,780 |
| Painting | Paint all walls, ceilings, and trim in the basement with mid-range quality paint to ensure a clean and finished look. | $3,150 |
| Thermal, moisture and air sealing | Ensure proper thermal, moisture, and air sealing to prevent dampness and improve energy efficiency in the basement. | $3,150 |
| Architect | Engage an architect for planning and design services to ensure the basement refinishing meets all structural and aesthetic requirements. | $2,520 |
| Countertop | Install mid-range countertops in the kitchenette area, such as laminate or solid surface materials. | $2,520 |
| Demolition | Demolish any existing unfinished structures or outdated finishes in the basement to prepare for refinishing. | $2,520 |
| Designer | Hire a designer to assist with interior design choices, ensuring the basement is both functional and aesthetically pleasing. | $2,520 |
| Mechanical | Service existing HVAC and plumbing systems to ensure they are extended and functioning properly in the basement. | $2,520 |
| Tile installation | Install tiles in the bathroom and kitchenette backsplash, ensuring proper setting and alignment. | $2,520 |
Purchases · 11 categories$34,000
Materials, fixtures, equipment, furnishings, permits, and other project purchases.
| Category | Scope | Cost |
|---|---|---|
| Building materials | New drywall, insulation, paint, and mid-range flooring such as laminate or carpet, plus lumber for any necessary framing adjustments or new walls. | $7,000 |
| Cabinetry and built-ins | Built-in storage solutions such as a small kitchenette with mid-range cabinets and a bathroom vanity, plus custom shelving units for storage and organization in the main living area. | $5,000 |
| Doors and windows | New interior doors and possibly egress windows to meet safety codes for a finished basement. | $4,000 |
| Furnishing | Basic furnishings to make the basement livable, such as seating, tables, and decor. | $3,000 |
| HVAC equipment | Additional ductwork and a thermostat to extend the existing HVAC system to the basement. No new HVAC units are required, only modifications to the existing system. | $3,000 |
| Tiles and stones | Mid-range tiles in the bathroom and as a backsplash in the kitchenette area. | $3,000 |
| Lighting | Mid-range lighting fixtures and switches throughout the basement to ensure adequate illumination. | $2,500 |
| Plumbing fixtures | Mid-range plumbing fixtures for the bathroom and kitchenette, including a sink, toilet, and faucets. | $2,500 |
| Miscellaneous | Cover any additional materials or unexpected expenses that may arise during the basement refinishing project. | $1,500 |
| Permits | Necessary permits and inspections for the basement refinishing project to ensure compliance with local building codes. | $1,500 |
| Hardware and fasteners | Necessary hardware and fasteners for installing doors, cabinets, and other fixtures in the basement. | $1,000 |
Analysis and assumptions
This provided budget includes professional services and purchases for the stated location, area, renovation type, and mid-range finish quality. Actual costs can vary with site conditions, selections, taxes, and changes to scope.
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FAQs
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The tool includes an allowance for permitting and code upgrades based on local averages.

