Install conventional asphalt shingles over existing shingles

$1.25 - $2 / sq. ft.

Strip and re-shingle with conventional shingles

$2 - $3 / sq. ft

Strip and re-roof with cedar shingles

$5 - $7 per sq. ft.

Strip and replace built-up tar and gravel roof

$4 - $6 / sq. ft.

Strip and replace single-ply membrane

$4 - 6 / sq. ft.

Replace flashing typical chimney

$300 - $500

Replace flashing typical skylight

$300 - $500

Rebuild typical chimney above roof line

$100-$200 / lin. ft.

Point & tuck typical chimney above roof line

$20-$30 / row

Exterior Install galvanized or aluminum gutters and downspouts

$3 - $5 / lin. ft.

  Soffits - Fascias - Repointing - Water Proofing

Install aluminum soffits and fascia

$8 - $12 / lin. ft

Install aluminum or vinyl siding

$3 - $4.50 / sq. ft.

Repoint exterior wall (soft mortar)

$3 - 4.50 / sq. ft

Repoint exterior wall (hard mortar)

$6 - $8 / sq. ft.

Parge foundation walls

$3 - $4 / sq. ft.

Damp proof foundation walls and install weeping tile

$60-$120 / lin. ft.

  Garages - Decks - Retaining Walls - Foundation

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.

Structure Underpin one corner of house

$3500 and up

Underpin or add foundations

$300 + /lin. ft.

Lower basement floor by underpinning and/or bench footings

$150-$300 / lin. ft.

Replace deteriorating sill beam with concrete

$60 and up/ lin. 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

  Electric Repairs - Upgrades

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

Replace conventional receptacle with ground fault circuit receptacle

$60 - $90

Rewire electrical outlet with reversed polarity
(assuming electrician already there)

$5 - $10 ea.

Install conventional alarm system fire- burg

$1000 and up

  Heating Systems - Air Conditioning

Heating install mid-efficiency forced-air furnace

$1700 - $2500

Install high-efficiency forced-air furnace

$2500 - $3500

Install drum-type humidifier

$200 - $300

Install electronic air filter

$500 - $800

Install mid-efficiency boiler

$2500 - $4000

Install high-efficiency boiler

$5000 - $9000

Rebuild firepot (refractory) on boiler

$500 - $800

Install circulating pump

$400 - $600

Install chimney liner

$300 - $700

Install set-back thermostat

$100 - $300

Remove oil tank from basement

$200 - $400

Remove abandoned underground oil tank

$3500 and up

Replace radiator valve

$75 - $150

Add electric baseboard heater

$150 - $250

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

Add heat pump to forced-air system

$3000-$4000

Replace heat pump or air conditioning compressor

$800 - $1400

Install independent air conditioning system

$8000 - $15000

  Insulation

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 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

Install whirlpool bath

$3000 and up

Retile bathtub enclosure

$800 - $1200

Replace leaking shower stall pan

$1000 - $1600

Rebuild tile shower stall

$1500 - $2500

Replace laundry tubs

$250 - $500

Remodel four-piece bathroom completely

$6000 and up

Connect waste plumbing system to municipal sewers

$3000 and up

Install submersible pump

$800 and up

Install suction or jet pump

$400 - $600

Install modest basement bathroom

$4000 and up

  Carpentry - Finish Work

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

  Fireplaces - Stoves

Point & tuck chimney mortar (2 story)

$700 and up

Convert coal-burning fireplace to wood-burning unit

$800 and up

Install masonry fireplace (if flue already roughed - in)

$2000 and up

Install zero-clearance fireplace (including chimney)

$2500 and up

Install glass doors on fireplace

$300 and up

Install gas Insert into existing fireplace

$2500 and up