Interior Cost Guides

$3,500

$1,500 to $6,000 · 1-2 days

Add or replace attic insulation to improve energy efficiency and reduce heating/cooling costs.

$4,000

$1,000 to $12,000 · 2-5 days

Interior painting is the highest-ROI home improvement, often returning more than 100% of cost in perceived value. Professional painters work faster, produce cleaner lines, and use better prep techniques.

$300

$100 to $600 · 1-2 hours

Apply weatherstripping around doors and windows to reduce drafts and improve energy efficiency.

$12,000

$5,000 to $30,000 · 5-10 days

Whole-house interior painting before listing a home for sale is consistently recommended by real estate agents as the single highest-return pre-sale improvement.

$8,000

$2,500 to $30,000 · 3-7 days

Fireplaces add warmth, ambiance, and value to any home. Gas fireplaces offer the cleanest, most convenient option. Electric fireplaces require no venting and can be installed almost anywhere.

$8,000

$3,000 to $18,000 · 3-7 days

Install new solid or engineered hardwood flooring with proper subfloor preparation.

$8,000

$3,000 to $18,000 · 2-5 days

Hardwood flooring installation includes material, subfloor prep, underlayment, installation labor, and finishing. Hardwood is one of the most desirable flooring options, boosting home value and curb appeal.

$45,000

$15,000 to $100,000 · 6-10 weeks

Transform an unfinished basement into livable space with framing, drywall, flooring, and proper insulation.

$5,000

$2,000 to $12,000 · 3-5 days

Custom-build integrated bookshelves that add storage and character to any room.

$9,000

$4,000 to $18,000 · 3-5 days

Replace cabinet doors and drawer fronts while keeping existing cabinet boxes.

$5,500

$2,000 to $15,000 · 1-3 days

Replace kitchen countertops with granite, quartz, marble, or other premium materials.

$55,000

$25,000 to $100,000 · 6-12 weeks

Converting an attic to livable space adds significant square footage without expanding the footprint. The existing structure often requires reinforcement, and adequate headroom (7+ feet) is essential.

$3,500

$1,000 to $8,000 · 3-5 days

Transform kitchen or bathroom cabinets with professional-grade paint for a fresh look.

$8,000

$3,000 to $20,000 · 5-10 days

Replace outdated or unsafe electrical wiring throughout the home to meet current codes.

$6,000

$3,000 to $12,000 · 2-4 days

Install a gas fireplace insert or freestanding unit for efficient supplemental heating.

$8,000

$4,000 to $18,000 · 1-3 days

Install an energy-efficient heat pump for year-round heating and cooling.

$10,000

$3,000 to $30,000 · 1-3 weeks

Dedicated home offices have become essential. Converting a spare room includes built-in storage, adequate electrical outlets, improved lighting, and potentially soundproofing for video calls.

$1,500

$500 to $3,500 · 1 day

Install a sump pump to remove accumulated water from basements and crawlspaces.

$7,000

$3,000 to $15,000 · 3-5 days

Convert a bathtub into a walk-in shower for accessibility and modern aesthetics.

$7,500

$2,000 to $25,000 · 3-7 days

A staircase remodel transforms a dated, carpeted stairway into a striking architectural feature. Replacing carpet with hardwood treads and updating railings delivers high visual impact at moderate cost.

$2,500

$500 to $6,000 · 1-2 days

Install custom closet organization systems with shelves, rods, drawers, and accessories.

$1,500

$500 to $4,000 · 1-2 days

Install decorative crown molding at the junction of walls and ceiling for an elegant finish.

$8,000

$3,000 to $20,000 · 1-3 weeks

Renovate a room into a dedicated home office with electrical, network, and storage upgrades.

$2,500

$800 to $5,000 · 1-2 days

Install decorative tile backsplash behind kitchen counters and cooking areas.

$3,500

$1,500 to $7,000 · 2-4 days

Install laminate flooring as a cost-effective alternative to hardwood or tile.

$8,000

$2,000 to $25,000 · 3-5 days

A custom master closet build-out transforms a basic wardrobe space into a functional dressing room. Island units with drawers and dedicated shoe storage maximize both storage capacity and organization.

$8,000

$3,000 to $20,000 · 3-7 days

Install in-floor heating systems for efficient, comfortable warmth from the ground up.

$4,000

$1,500 to $8,000 · 2-4 days

Install luxury vinyl plank flooring as a waterproof, durable alternative to hardwood.

$30,000

$10,000 to $75,000 · 4-8 weeks

Build a temperature and humidity-controlled wine cellar for proper storage and display.

$8,000

$2,500 to $25,000 · 1-5 days

Basement waterproofing protects your home's foundation and prevents mold, mildew, and structural damage. Interior drainage systems are the most common solution for finished basements.

$3,500

$1,500 to $8,000 · 1-3 days

Install new wall-to-wall carpet with padding for comfortable, insulated flooring.

$3,000

$1,000 to $8,000 · 3-7 days

Install and finish drywall for new construction, additions, or repairs.

$5,500

$2,500 to $10,000 · 2-3 days

Install a code-compliant egress window in a basement bedroom for safety and natural light.

$3,000

$800 to $8,000 · 1-2 days

Interior French doors create elegant room separations while allowing light to flow between spaces. They are popular for home offices, dining rooms, and living spaces where openness and visual connection are valued.

$25,000

$5,000 to $80,000 · 2-4 weeks

A dedicated home theater room with acoustic treatment, tiered seating, and quality audio-visual equipment creates an immersive entertainment experience. Soundproofing is critical for peaceful coexistence with the rest of the home.

$15,000

$5,000 to $50,000 · 1-3 weeks

Create a dedicated home theater room with screen sizing, surround sound layout, projector or TV mounting, in-wall wiring, acoustic treatment, seating, lighting control, and final calibration.

$5,000

$1,500 to $12,000 · 3-7 days

Build or install a kitchen pantry for organized food and supply storage.

$3,000

$1,000 to $6,000 · 2-4 days

Remove outdated popcorn ceiling texture and refinish with a smooth or modern texture.

$2,500

$800 to $7,000 · 1-2 days

Recessed lighting creates a clean, modern look while providing excellent task and ambient illumination. LED wafer lights have simplified installation and dramatically improved energy efficiency.

$3,000

$1,000 to $8,000 · 2-5 days

Install interior trim work including baseboards, casing, chair rail, and wainscoting.

$8,000

$3,000 to $18,000 · 1-3 weeks

Convert a bedroom or space into a luxury walk-in closet with custom organization.

$3,000

$1,000 to $8,000 · 2-5 days

Install decorative wood paneling or shiplap for texture and character on interior walls.

$3,000

$1,000 to $8,000 · 2-4 days

Wainscoting adds classic architectural interest to dining rooms, entryways, and hallways. MDF panels are the most cost-effective option, while solid wood commands a premium.

$1,500

$300 to $5,000 · 1-2 days

Custom closet organizers maximize storage efficiency and add perceived value to bedrooms. Custom built-in systems from professional closet designers cost significantly more than modular DIY options.

$5,000

$2,000 to $12,000 · 2-5 days

Install, replace, or modify HVAC ductwork for efficient heating and cooling distribution.

$1,500

$500 to $3,000 · 1 day

Install a Level 2 electric vehicle charging station at home.

$1,500

$300 to $4,000 · 1 day

Install a decorative fireplace mantel or surround to enhance the focal point of a room.

$8,000

$2,000 to $30,000 · 1-2 weeks

Converting a spare room or basement area into a home gym eliminates gym memberships and provides convenient access to fitness equipment. Rubber flooring, ventilation, and good lighting are the essential starting points.

$800

$200 to $3,000 · 2-4 hours

Replacing hollow-core interior doors with solid-core versions noticeably improves sound insulation and perceived quality throughout a home. Consistent door style creates a cohesive look.

$1,500

$500 to $3,000 · 1-2 days

Install a sliding pocket door that disappears into the wall to save space.

$5,000

$2,000 to $12,000 · 2-5 days

Install structured wiring and smart home infrastructure for automation and connectivity.

$2,000

$500 to $5,000 · 1-3 days

Apply wallpaper to interior walls for pattern, texture, and visual interest.

$2,000

$500 to $5,000 · 1 day

Install whole-house or point-of-use water filtration for cleaner, better-tasting water.

$1,000

$300 to $2,500 · 1-2 days

Install or upgrade interior and exterior window trim for a finished appearance.

$20,000

$5,000 to $60,000 · 2-4 weeks

A custom wine cellar requires precise temperature (55-58F) and humidity (60-70%) control. Proper insulation, vapor barrier, and a dedicated cooling unit are essential for proper wine storage.

$2,500

$1,500 to $4,500 · 1-2 days

Install a whole-house central vacuum system with wall inlets and concealed piping.

$500

$200 to $1,200 · 2-4 hours

Install bathroom or kitchen exhaust fans for moisture and odor removal.

$500

$200 to $1,200 · 2-4 hours

Replace an old toilet with a new water-efficient model for water savings and reliability.

$800

$200 to $2,000 · 2-4 hours

Install task lighting under kitchen cabinets for improved countertop visibility.