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Home Improvement Costs ROOFING/FLASHINGS/CHIMNEYS
Install conventional asphalt shingles over existing shingles ....$ 1.50 - $ 2.50 per sq. ft.
Strip and reshingle on low to medium sloped roof .................$ 2.50 - $ 3.50 per sq. ft.
Strip and reshingle on steep, high or complex roof.................$ 4.00 - $ 7.00 per sq. ft.
Strip and re-roof with cedar shingles .................................$ 7.00 - $ 10.00 per sq. ft.
Strip and replace built-up tar and gravel roof.......................$ 8.00 - $ 12.00 per sq. ft. (min. $ 1000)
Strip and install single-ply roof membrane............................$ 6.00 - $ 10.00 per sq. ft. (min. $ 1000)
Reflash typical skylight or chimney......................................$ 300.00 - $ 500.00
Repoint typical chimney above roof line................................$ 6.00 - $ 8.00 per sq. ft. (min. $ 250)
Rebuild typical single flue chimney above roof line ................$ 150.00 - $ 300.00 per lin. ft. (min. $ 500)
EXTERIOR
Install galvanized or aluminum gutters and downspouts.............$ 4.00 - $ 5.00 per lin.ft. (min. $ 500)
Install aluminum soffits and fascia.........................................$ 8.00 - $ 12.00 per lin. ft.
Install aluminum or vinyl siding .............................................$ 3.50 - $ 5.00 per sq. ft.
Repoint exterior wall: soft mortar ..........................................$ 3.00 - $ 4.50 per sq. ft. (min. $ 500)
hard mortar.......................................................................$ 6.00 - $ 8.00 per sq. ft. (min. $ 500)
Parge foundation walls ........................................................$ 3.00 - $ 4.00 per sq. ft.
Dampproof foundation walls and install weeping tiles...........$ 150.00 - $ 200.00 per lin. ft. (min. $ 3000)
Install a deck..................................................................$ 25.00 - $ 40.00 per sq. ft. (min. $ 1000)
Resurface existing asphalt driveway.......................................$ 2.50 - $ 4.00 per sq. ft.
Install interlocking brick driveway..........................................$ 6.00 - $ 8.00 per sq. ft.
Rebuild exterior basement stairwell .......................................$ 3500.00 - $ 5000.00
Build detached garage: single...............................................$ 8000.00 and up
double..............................................$ 12000.00 and up
Build retaining wall: wood...................................................$ 20.00 - $ 25.00 per sq. ft. (min. $ 500)
concrete.....................................................................$ 30.00 - $ 40.00 per sq. ft. (min. $ 500)
Painting: trim only ........................................................$ 1500.00 - $ 2500.00
trim and wall surfaces.....................................................$ 3000.00 and up
STRUCTURE
Underpin one corner of house.........................................................$ 3500.00 and up
Underpin or add foundations ..............................................$ 300.00 and up per lin. ft. (min. $ 3000)
Lower basement floor by underpinning and/or bench footing ...$ 150.00 - $ 300.00 per lin. ft. (min. $ 5000)
Replace deteriorating sill beam with concrete ......................$ 60.00 and up per lin. ft. (min. $ 500)
Install basement support post with proper footing........................$ 300.00 - $ 500.00
Perform chemical treatment for termites ....................................$ 2000.00 and up
Repair minor crack in poured concrete foundation .........................$ 400.00 - $ 800.00
ELECTRICAL
Upgrade electrical service to 100-amps (including new panel).........$ 1200.00 - $ 2000.00
Upgrade electrical service to 100-amps
(if suitably sized panel already exists)........................................$ 1200.00- $ 2000.00
Upgrade electrical service to 200-amps ....................................$ 1800.00 - $ 2200.00
Install new circuit breaker panel ...............................................$ 500.00 - $ 800.00
Replace circuit breaker (20 amp or less) .....................................$ 50.00 - $ 100.00
Add 120-volt circuit (microwave, freezer, etc.)............................$ 150.00 - $ 300.00
Add 240-volt circuit (dryer, stove, etc.)......................................$ 250.00 - $ 400.00
Add conventional receptacle (assuming electrician is already there)..................$150 and up
Replace conventional receptacle with
ground fault circuit interrupter receptacle.....................................................................$ 60.00 - $ 90.00
Replace conventional receptacle with aluminum compatible
type (CO/ALR) (assuming several are required)..........................$ 10.00 - $ 15.00 each
Upgrade entire house with aluminum
compatible connectors, receptacles, etc..................................$ 500.00 - $ 1000.00
Rewire electrical outlet with reversed polarity
Replace knob & tube wiring with conventional wiring (typical 3 bdrm home) ........... $8000.00 - $12000.00
(assuming electrician is already there)..................................$ 5.00 - $ 10.00 each
HEATING
Install mid efficiency forced-air furnace...............................................................................$ 2000.00 - $ 4000.00
Install high efficiency forced-air furnace..............................................................................$ 3500.00 - $ 6000.00
Install humidifier...................................................................$ 200.00 - $ 400.00
Install electronic air filter ......................................................$ 500.00 - $ 800.00
Install mid efficiency boiler.....................................................$ 2500.00 - $ 5000.00
Install high efficiency boiler...................................................$ 5000.00 - $ 9000.00
Install circulating pump.........................................................$ 400.00 - $ 600.00
Install chimney liner for gas appliance......................................$ 400.00 - $ 800.00
Install chimney liner for oil appliance .......................................$ 700.00 - $ 1800.00
Install programmable thermostat.............................................$ 200.00 - $ 300.00
Replace indoor oil tank .........................................................$ 1200.00 - $ 2500.00
Remove oil tank from basement .............................................$ 400.00 and up
Remove abandoned underground oil tank..................................$ 3000.00 and up
Replace radiator valve..........................................................$ 250.00 - $ 500.00
Add electric baseboard heater...............................................$ 250.00 - $ 400.00
Convert from hot water heating to forced air: bungalow.............$ 8000.00 - $ 10000.00
two storey ........................................................................$ 15000.00 - $ 20000.00
Clean ductwork ..................................................................$ 200.00 and up
COOLING/HEAT PUMPS
Add central air conditioning on existing forced-air system............$ 3000.00 and up
Add heat pump on existing forced-air system............................$ 4000.00 - $ 5000.00
Replace heat pump or air conditioning condenser.......................$ 1200.00 - $ 2500.00
Install independent air conditioning system...............................$ 8000.00 - $ 15000.00
Install ductless air conditioning system.....................................$ 3000.00 and up
INSULATION
Insulate open attic area to modern standards............................$ 0.50 - $ 1.25 per sq. ft.
Blow insulation into flat roof, cathedral ceiling or wall cavity.........$ 2.00 - $ 3.50 per sq. ft.
Improve attic ventilation (supplied while re-roofing)...................$ 40.00 - $ 50.00 per vent
PLUMBING
Replace galvanized piping with copper:
(2 storey with one bathroom,finishing extra) .............................$ 2000.00 - $ 3000.00
Replace water line to house....................................................$ 2000.00 and up
Replace toilet ... ................................................................. $ 400.00 and up
Replace basin, including faucets ..............................................$ 500.00 and up
Replace bathtub, including ceramic tile and faucets.....................$ 2500.00 and up
Install whirlpool bath, including faucets.....................................$ 3000.00 and up
Retile bathtub enclosure ........................................................$ 1000.00 - $ 1500.00
Replace leaking tile shower stall pan ........................................$ 1000.00 - $ 1600.00
Rebuild tile shower stall .........................................................$ 1500.00 - $ 2500.00
Replace laundry tub ..............................................................$ 250.00 - $ 500.00
Remodel bathroom completely (4 pc.) .......................................$ 6000.00 and up
Connect waste plumbing system to municipal sewers ...................$ 3000.00 and up
Install submersible pump..........................................................$ 800.00 and up
Install suction or jet pump.......................................................$ 400.00 to $ 600.00
Install modest basement bathroom............................................$ 4000.00 and up
INTERIOR
Add drywall over plaster ..................................................$ 1.50 - $ 2.50 per sq. ft.
Sand and refinish hardwood floors ......................................$ 1.50 - $ 3.00 per sq. ft.
Install replacement windows..............................................$ 50.00 - $ 100.00 per sq. ft.
Install storm windows.......................................................$ 100.00 - $ 300.00 each
Install masonry fireplace (if flue already roughed in)...............$ 2000.00 and up
Install "factory built" fireplace (including chimney, cosmetics extra) ......$ 3000.00 and up
Install glass doors on fireplace.........................................................$ 300.00 and up
Install skylight ............................................................................$ 3000.00 and up
Remodel kitchen completely............................................................$ 10,000.00 and up
Install gas fireplace (cosmetics extra) ..............................................$ 3500.00 and up
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