Building Costs The following costs are a ballpark estimates for repairs and/or improvements to a typical home. Actual contractor quotations can vary based on quality of workmanship, quality of materials and complexity of job. Structure Underpin one corner of house Underpin or add foundations Lower basement floor by underpinning or bench footings Replace deteriorating sill beam with concrete Install basement support post with proper footing Perform chemical treatment for termites Repair minor cracks in poured concrete foundation $5000.00 and up $300.00 and up per lin. Ft $150 t0 $300 per lin. Ft. $60 and up per lin. Ft $800 to $1600 $2000.00 and up $400 to $800 Roofing/Flashing/Chimney Install conventional asphalt over existing shingles Strip and reshingle with conventional asphalt shingles Strip and reshingle with premium asphalt shingles Strip and re-roof with cedar shingles Strip and replace built-up tar and gravel roof Strip and install single-ply roof membrane Reflash typical skylight or chimney Rebuild chimney above roof line Rebuild chimney flue above roof line $2.00 to $4.00 per sq. ft $2.00 to $5.00 per sq ft $5.00 to $10.00 per sq ft $9.00 to $18.00 per sq ft $10.00 to $20.00 per sq ft $10.00 to $20.00 per sq ft $500.00 to $1000.00 $25 to $50 per row of brick $200 to $400 per lin. Ft. Plumbing Replace galvanized piping with copper Replace main water line to house Replace toilet Replace basin, including faucet Replace bathtub, including ceramic tile and faucet Install whirlpool bath, including faucet Retile bathtub enclosure Replace leaking shower stall pan Rebuild tile shower stall Replace laundry tub Remodel four-piece bathroom completely Connect waste plumbing system to sewers Install submersible pump Install suction or jet pump Install basement bathroom $2500 to $5000 $2000 and up $500 and up $750 and up $2500 and up $3500 and up $1000 to $2000 $1000 to $2000 $2500 to $5000 $400 to $800 $6000 to $50000 $5000 and up $1000 and up $700 and up $6000 and up Electrical Upgrade electrical service to 100amp (including panel) Upgrade electrical service to 200amp (including panel) Install new circuit breaker panel Replace circuit breaker Add 120v circuit Add 240v circuit Add receptacle Replace receptacle with GFI Replace receptacle with Aluminum compatible type Upgrade entire house with aluminum compatible receptacles Rewire electrical outlet with reversed polarity Replace knob and tube wiring with conventional wiring Service Call $1200 to $3000 $1700 to $3500 $700 to $1400 $100 to $200 $150 to $300 $300 to $600 $200 to $400 $70 to $140 $60 to $120 each $1000 to $2000 $5 to $10 each $1000 to $2000 per room $78 to $130 Insulation Insulate open attic to modern standards Blow insulation into flat roof, cathedral ceiling or wall cavity Improve attic ventilation $0.80 to $1.60 per sq ft $2.00 to $4.00 per sq ft $30.00 to $60 per vent Exterior Install galvanized or aluminum gutters and downspouts Install aluminum soffits and fascia Install aluminum or vinyl siding Repoint exterior wall (soft mortar) Repoint exterior wall (hard mortar) Perge foundation walls Dampproof foundation walls and install weeping tile Install deck Resurface exisiting ashault driveway Install interlocking brick driveway Rebuild exterior basement stairwell Build detached garage Build retaining wall with wood Build retaining wall with concrete Trim painting Trim and wall surfaces painting Cutting down & Removal of Trees $5 to $10 per lin ft $8 to $15 per lin ft $6 to $12 per lin ft $3 to $6 per lin ft $5 to $10 per lin ft $3 to $6 per lin ft $150 to $300 per lin ft $25 to $50 per lin ft $2 to $4 per sq ft $8 to $16 per sq ft $5000 and up $70 to $140 per sq ft $20 to $40 per sq ft $30 to $60 per sq ft $2000 to $4000 and up $5000 and up $300 to $1600 Interior Add drywall over plaster Sand and refinish hardwood floors Install replacement windows Install storm windows Install masonry fireplace Install zero-clearance fireplace Install glass doors on fireplace Install skylight Remodel kitchen completely Install gas fireplace $4 to $8 per sq ft $2 to $4 per sq ft $40 to $120 per sq ft $200 to $4000 $3000 and up $3500 and up $300 and up $3000 $10000 to $110000 $3500 and up Heating Install mid-efficiency forced-air furnace Install high-efficiency forced-air furnace Install humidifier Install electronic air-filter Install mid-efficiency boiler Install high-efficiency boiler Install circulating pump Install chimney liner for gas appliance Install chimney liner for oil appliance Install programmable thermostat Replace indoor oil tank Remove oil tank from basement Remove abandoned underground oil tank Replace radiator valve Add electric baseboard heater Convert from hot water heating to forced-air bungalow Convert from hot water heating to forced-air 2 storey Clean ductwork $2500 to $5000 $3500 to $7000 $300 to $600 $800 to $1600 $3500 to $7000 $6000 to $12000 $400 to $600 $500 to $1000 $700 to $1800 $200 to $400 $1200 to $2500 $600 and up $10000 and up $300 to $600 $250 to $500 $10000 to $20000 $10000 to $20000 $399 to $600 Cooling & Heat Pumps Add central air conditioning on exisiting forced-air system Add heat pumo to force-air system Replace heat pump or air conditioning condenser Install independent air conditioning system Install ductless conditioning system $3000 and up $4000 to $8000 $1200 to $2500 $10000 to $20000 $3000 to $7000 Trade Rates Brick Layer Carpenter Plumber and Gas Fitter Painter Electrician Drainer $39 to $57 per hour $39 to $55 per hour $46 to $61 per hour $39 to $56 per hour $46 to $56 per hour $46 to $60 per hour New Building Demolition and removal Brick veneer shell (ground floor) Kitchen Bathroom In-ground services Site cost Drilled Well On Site Sewage System Landscaping Driveway Heating, Air-conditioning, HRV and Duct work $2500 to $3600 $80000 to 135000 $13000 to 30000 $8000 to 12000 $4000 to 8000 $4000 to 8000 $10000 to 25000 .