Roofing

Install conventional asphalt shingles over existing shingles

$1.25 - $2 / sq. ft.

Strip and re-shingle with conventional shingles

$2 - $3 / sq. ft

Rebuild typical chimney above roof line

$100-$200 / lin. ft.

Repoint typical chimney above roof line

$20-$30 / row

Exterior Install galvanized or aluminum gutters and downspouts

$3 - $5 / lin. ft.

Garage, Deck, Retaining Wall

Install a deck

$12- $20 / sq. ft.

Rebuild exterior basement stairwell

$3500 - $5000

Build detached garage(single)

$8000 and up

Build detached garage (double)

$12000 and up

Build retaining wall (wood)

$20 - $25 /sq. ft.

Build retaining wall (concrete)

$30 - $40 / sq. ft.

Install basement support post with proper foundation

$200 - $400

Perform chemical treatment for termites

$500 and up

Repair minor crack in poured concrete foundation

$400 - $800

Electrical

Electrical Upgrade electrical service to 100 amps

$1200-1800

Upgrade electrical service to 200 amps

$1500 - $2000

Install new circuit breaker panel

$500 - $700

Add 120 volt circuit

$150 - $250

Add 240 volt circuit

$250 - $350

Add conventional receptacle

$75 - $150

Heating and Cooling

Heating install mid-efficiency forced-air furnace

$1700 - $2500

Install chimney liner

$300 - $700

Install set-back thermostat

$100 - $300

Replace radiator valve

$75 - $150

Convert from hot water heating to forced-air (cape)

$8000 - $10000

Convert from hot water heating to forced-air (two story)

$15000 - $20000

Clean ductwork

$250 and up

Cooling/Heat Pumps - Add central air conditioning on existing forced-air system

$2000-$3000

Replace heat pump or air conditioning compressor

$800 - $1400

Install independent air conditioning system

$8000 - $15000

Insulation

Insulate open attic to modern standards

$1 - $1.50 / sq. ft.

Blow insulation into flat roof, cathedral ceiling or wall cavity

$2 - $3.50 /sq. ft.

Improve attic ventilation

$40 - $50 per vent

Plumbing

Plumbing Replace galvanized piping with copper (2 story with one bathroom)

$2000 - $2500

Replace water line to house

$1500 - $3500

Replace toilet

$300 and up

Replace basin

$200 and up

Replace bathtub, including ceramic tile

$1500 and up

Remodel four-piece bathroom completely

$6000 and up

Install modest basement bathroom

$4000 and up

Finish Work - Flooring, Drywall, Windows, and Paint

Sand and refinish hardwood floors

$1.50 - $3 /sq. ft.

Interior add drywall over plaster

$1.50-$2.50 /sq. ft

Install replacement windows

$200 - $400 ea

Install storm windows

$75 - $200 ea.

Install skylight

$500 and up

Remodel kitchen completely

$8000 and up

Painting (trim only)

$1500 - $2500

Painting (trim and wall surfaces)

$3000 and up

Fireplace

Install masonry fireplace (if flue already roughed - in )

$2000 and up

Install zero-clearance fireplace (including chimney)

$2500 and up

Install gas - Insert into existing fireplace

$2500 and up