Budget pricing for a Variety of Improvement Projects

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The following costs are intended as ballpark estimates for repairs and/or improvements to a typical three bedroom home. Experience has shown that actual contractor quotations can vary by as much as 300%. Naturally, the quality of workmanship and materials will influence costs. The complexity of the job, accessibility and even economic conditions can also alter actual costs. Courtesy - Carson Dunlop

Roofing / Flashings / Chimneys
Install conventional asphalt shingles over existing shingles	$2.00 – $4.00 per sq.ft.
Strip and reshingle with conventional asphalt shingles	$2.75– $5.50 per sq.ft.
Strip and reshingle with premium quality asphalt shingles	$5.00 – $10.00 per sq .ft.
Strip and re-roof with cedar shingles	$9.00 – $18.00 per sq .ft.
Strip and replace built-up tar and gravel roof	$10.00 – $20.00 per sq.ft. (min. $1000)
Strip and replace single-ply membrane	$10.00 – $20.00 per sq.ft. (min. $1000)
Reflash typical skylight or chimney	$500.00 – $1000.00
Rebuild typical chimney above roof line	$25.00 – $50.00 per row of bricks (min. $400)
Rebuild typical single flue chimney above roof line	$200.00 – $400.00 per lin.ft. (min. $1000)
Exterior
Install galvanized or aluminum gutters and downspouts	$5.00 – $10.00 per lin.ft. (min. $500)
Install aluminum soffits and fascia	$8.00 – $16.00 per lin.ft.
Install aluminum or vinyl siding	$6.00 – $12.00 per sq.ft.
Repoint exterior wall (soft mortar)	$3.00 – 6.00 per sq.ft. (min. $500)
Repoint exterior wall (hard mortar)	$5.00 – $10.00 per sq.ft. (min. $500)
Parge foundation walls	$3.00 – $6.00 per sq.ft.
Dampproof foundation walls and install weeping tile	$150.00 – $300.00 per lin.ft. (min. $3,000)
Install a deck	$25.00 – $50.00 per sq.ft. (min. $1000)
Resurface existing asphalt driveway	$2.00 – $4.00 per sq.ft.
Install interlocking brick driveway	$8.00 – $16.00 per sq.ft.
Rebuild exterior basement stairwell	$5000.00 and up
Build detached garage	$70.00 – $140.00 per sq.ft.
Build retaining wall (wood)	$20.00 – $40.00 per sq.ft. (min. $500)
Build retaining wall (concrete)	$30.00 – $60.00 per sq.ft. (min $500)
Painting (trim only)	$2,000.00 – $4,000.00 and up
Painting (trim and wall surfaces)	$5,000.00 and up
Structure
Underpin one corner of house	$5,000.00 and up
Underpin or add foundations	$300.00 and up per lin.ft. (min. $3000)
Lower basement floor by underpinning and/or bench footings	$150.00 – $300.00 per lin.ft. (min. $5,000)
Replace deteriorating sill beam with concrete	$60.00 and up per lin.ft. (min. $2000)
Install basement support post with proper foundation	$800.00 – $1600.00
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 – $3,000.00
Upgrade electrical service to 100 amps (if suitably sized panel already exists)	$800.00 – $1600.00
Upgrade electrical service to 200 amps	$1700.00 – $3,500.00
Install new circuit breaker panel	$700.00 – $1400.00
Replace circuit breaker (20 amp or less)	$100.00 – $200.00
Add 120 volt circuit (microwave, freezer, etc.)	$150.00 – $300.00
Add 240 volt circuit (dryer, stove, etc.)	$300.00 – $600.00
Add conventional receptacle	$200.00 – $400.00
Replace conventional receptacle with ground fault circuit receptacle	$70.00 -$140.00
Replace conventional receptacle with aluminum compatible type (CO/ALR)(assuming several are required)	$60.00 – $120.00 ea.
Upgrade entire house with aluminum compatible receptacles, connectors, etc.	$1000.00 – $2000.00
Rewire electrical outlet with reversed polarity (assuming electrician already there)	$5.00 – $10.00 ea.
Replace knob & tube wiring with conventional wiring (per room)	$1000.00 – $2000.00
Heating
Install mid-efficiency forced-air furnace	$2500.00 – $5,000.00
Install high-efficiency forced-air furnace	$3500.00 – $7,000.00
Install humidifier	$300.00 – $600.00
Install electronic air filter	$800.00 – $1600.00
Install mid-efficiency boiler	$3500.00 – $7,000.00
Install high-efficiency boiler	$6,000.00 – $12,000.00
Install circulating pump	$400.00 – $600.00
Install chimney liner for gas appliance	$500.00 – $1000.00
Install chimney liner for oil appliance	$700.00 – $1800.00
Install programmable thermostat	$200.00 – $400.00
Replace indoor oil tank	$1200.00 – $2500.00
Remove oil tank from basement	$600.00 and up
Remove abandoned underground oil tank	$10,000.00 and up
Replace radiator valve	$300.00 – $600.00
Add electric baseboard heater	$250.00 – $500.00
Convert from hot water heating to forced-air (bungalow)	$10,000.00 – $20,000.00
Convert from hot water heating to forced-air (two storey)	$15,000.00 – $30,000.00
Clean ductwork	$300.00 – $600.00
Cooling / Heat Pumps
Add central air conditioning on existing forced-air system	$3000.00 and up
Add heat pump to forced-air system	$4,000.00 – $8,000.00
Replace heat pump or air conditioning condenser	$1200.00 – $2500.00
Install independent air conditioning system	$10,000.00 – $20,000.00
Install ductless air conditioning system	$3,000.00 – $7,000.00
Insulation
Insulate open attic to modern standards	$0.80 – $1.60 per sq.ft.
Blow insulation into flat roof, cathedral ceiling or wall cavity	$2.00 – $4.00 per sq.ft.
Improve attic ventilation	$30.00 – $60.00 per vent
Plumbing
Replace galvanized piping with copper (two storey with one bathroom)	$2500.00 – $5,000.00
Replace water line to house	$2000.00 and up
Replace toilet	$500.00 and up
Replace basin, including faucets	$750.00 and up
Replace bathtub, including ceramic tile and faucets	$2500.00 and up
Install whirlpool bath, including faucets	$3500.00 and up
Retile bathtub enclosure	$1000.00 – $2000.00
Replace leaking shower stall pan	$1000.00 – $2000.00
Rebuild tile shower stall	$2500.00 – $5,000.00
Replace laundry tubs	$400.00 – $800.00
Remodel four-piece bathroom completely	$6,000.00 – $50,000.00
Connect waste plumbing system to municipal sewers	$5,000.00 and up
Install submersible pump	$1000.00 and up
Install suction or jet pump	$700.00 and up
Install modest basement bathroom	$6000.00 and up
Interior
Add drywall over plaster	$4.00 – $8.00 per sq.ft.
Sand and refinish hardwood floors	$2.00 – $4.00 per sq.ft.
Install replacement windows	$40.00 – $120.00 per sq.ft.
Install storm window	$200.00 – $400.00
Install masonry fireplace (if flue already roughed-in)	$3000.00 and up
Install zero-clearance fireplace (including chimney)	$3500.00 and up
Install glass doors on fireplace	$300.00 and up
Install skylight	$3000.00
Remodel kitchen completely	$10,000.00 -$110,000.00
Install gas fireplace	$3500.00 and up