Wednesday, December 29, 2010

Estimated Remodeling and Repair Costs

The Old House Web 

(c) 1995-2000 Freddie Mac. All rights reserved.

Additions Costs
Build addition $70 to 120 per square foot
Enclose porch $5,500 to 15,000
Drywall ceiling over plaster $1.50 to 2.00 per square foot
Basement Costs
Convert basement to legal rental unit $30,000 to 50,000
Bathroom Costs
Remodel bathroom $7,000 to 12,000
Add half bathroom $3,500 to 5,000
Add full bathroom $7,000 to 12,000
Electrical Service Costs
Increase service to 200 amps $700 to 1,200
Run separate electrical lines $150 to 300
Install connectors on outlets
(of aluminum wired homes)
$15 to 20 per connection/
$2,000 to 3,000 (whole house)
Exterior Costs
Regrade lawn $500 to 1,500
New gutters and downspouts $2.50 to 3.50 per linear foot
Fireplaces Costs
Build masonry fireplace $3,300 to 4,800
Install prefabricated fireplace $1,800 to 2,300
Reline chimney with terra cotta $2,000
Floors Costs
Sand and finish wood floors $1.50 to 3.30 per square foot
Install ceramic tile floor $11 to 22 per square foot
Install vinyl tile floor $2.64 to 5.34 per square foot
Install wall-to-wall carpet $3.38 to 6.61 per square foot
Garages Costs
Build single car garage $6,000 to 9,500
Build double car garage $8,000 to 12,000
Heating and Air Conditioning Costs
Replace warm air furnace $1,500 to 3,800
Replace electric heat pump $2,200 to 3,600
Replace central air conditioning system (electric) $1,500 to 3,000
Replace central air conditioning system (gas) $2,600 to 3,500
Install humidifier $300 to 550
Install electrostatic air cleaner $500 to 750
Replace hot water boiler $2,500 to 3,500
Install attic ventilation $250 to 450
Insulation Costs
Insulate attic / basement $.75 to 1.20 per square foot
Kitchen Costs
Remodel kitchen $8,000 and up
Plumbing Costs
Hot water heater
(40-gallon capacity) $400 to 650
(40-gallon capacity) $300 to 550
Install new well $3,000 to 5,000
Install new septic system $3,000 to 5,000
Install sump pump $400 to 500
Install French drain and sump pump $2,000 to 3,500
Roofs Costs
Asphalt / fiberglass shingles-
Install over existing shingles $1 to 1.20 per square foot
Remove existing shingles and install news $1.30 to 1.75 per square foot
Windows Costs
Install storm windows $60 to 100 each
Replace existing windows $250 to 500 each
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Reproduced with permission from Freddie Mac.
About the Author
The Old House Web
Handy guide for estimating remodeling and repair costs. Your mileage may vary due to project size and location.