How much do projects cost in Oshawa, ON?
Oshawa contractor pricing runs 28% above the national average. Every guide below is adjusted to local labor rates, permits and climate.
Local labor
Skilled trades across Oshawa are unionised or association-backed, and GTA labour rates run well above the North American average — expect quotes in Canadian dollars roughly 28% higher than the US benchmark once exchange and local wages are factored in. Winter shuts down much exterior work, so the spring-to-fall window is the busiest and priciest.
Permits & code
Oshawa issues building permits through its municipal building department under the Ontario Building Code. Electrical work needs an ESA (Electrical Safety Authority) notification and inspection, gas work must be done by a TSSA-certified installer, and HVAC changes should be sized by an HRAI-trained contractor. New-home and major-renovation work may fall under Tarion warranty coverage, and lots near a river or ravine can require Conservation Authority approval before the city will issue a permit.
Climate
Oshawa has a cold continental climate with freeze-thaw cycles, heavy snow load and humid summers. Expect frost-depth footings, ice-and-water shielding on roofs, insulation upgrades to meet Ontario energy requirements, and exterior work scheduled between April and November.
Construction costs in Oshawa
Fence Installation cost in Oshawa
$1,920 – $5,120
Roof Replacement cost in Oshawa
$10,880 – $43,520
Kitchen Remodel cost in Oshawa
$23,040 – $121,600
HVAC Replacement cost in Oshawa
$7,040 – $23,040
Deck Building cost in Oshawa
$5,632 – $15,360
Window Replacement cost in Oshawa
$576 – $1,920
Bathroom Remodel cost in Oshawa
$8,320 – $48,640
Interior Painting cost in Oshawa
$1,536 – $7,680
Roof Repair cost in Oshawa
$512 – $2,304
Siding Installation cost in Oshawa
$8,960 – $28,160
Flooring Installation cost in Oshawa
$2,048 – $8,320
Concrete Driveway cost in Oshawa
$4,480 – $12,160
Plumbing Repair cost in Oshawa
$230 – $1,088
Electrical Panel Upgrade cost in Oshawa
$2,304 – $5,760
Solar Panel Installation cost in Oshawa
$19,200 – $40,960
Water Heater Installation cost in Oshawa
$1,536 – $4,480
Landscaping cost in Oshawa
$3,840 – $19,200
Tree Removal cost in Oshawa
$512 – $2,304
Garage Door Installation cost in Oshawa
$1,152 – $4,480
Foundation Repair cost in Oshawa
$2,816 – $10,880
Gutter Installation cost in Oshawa
$1,152 – $3,584
Basement Waterproofing cost in Oshawa
$3,840 – $15,360
Home Addition cost in Oshawa
$57,600 – $179,200
Pool Installation cost in Oshawa
$44,800 – $108,800
Asphalt Paving cost in Oshawa
$2,304 – $5,376
Exterior Painting cost in Oshawa
$3,840 – $11,520
Drywall Installation cost in Oshawa
$1,920 – $4,480
Insulation Installation cost in Oshawa
$2,304 – $6,912
Tile Installation cost in Oshawa
$1,792 – $6,400
Countertop Installation cost in Oshawa
$2,304 – $6,912
Cabinet Refacing cost in Oshawa
$3,200 – $11,264
Hardwood Floor Refinishing cost in Oshawa
$3,072 – $8,192
Carpet Installation cost in Oshawa
$3,136 – $9,856
Stucco Repair cost in Oshawa
$2,048 – $6,400
Pressure Washing cost in Oshawa
$288 – $960
Sod Installation cost in Oshawa
$3,456 – $8,448
Sprinkler System Installation cost in Oshawa
$4,608 – $9,216
Retaining Wall Installation cost in Oshawa
$4,800 – $11,520
Patio Installation cost in Oshawa
$3,840 – $11,520
Epoxy Garage Floor Coating cost in Oshawa
$2,304 – $6,912
Chimney Repair cost in Oshawa
$576 – $4,480
Mold Remediation cost in Oshawa
$1,843 – $4,608
Septic System Installation cost in Oshawa
$7,680 – $25,600
Sewer Line Replacement cost in Oshawa
$6,144 – $19,200
Water Well Drilling cost in Oshawa
$6,400 – $16,640
Sump Pump Installation cost in Oshawa
$768 – $3,200
Water Softener Installation cost in Oshawa
$1,536 – $4,480
Standby Generator Installation cost in Oshawa
$11,520 – $23,040
EV Charger Installation cost in Oshawa
$1,024 – $3,200
Smart Home Installation cost in Oshawa
$1,536 – $5,120
Home Security System Installation cost in Oshawa
$1,229 – $4,608
Ductwork Replacement cost in Oshawa
$4,800 – $11,520
Heat Pump Installation cost in Oshawa
$8,448 – $17,280
AC Repair cost in Oshawa
$192 – $1,920
Furnace Repair cost in Oshawa
$192 – $1,792
Boiler Installation cost in Oshawa
$5,760 – $14,080
Radon Mitigation cost in Oshawa
$1,152 – $3,200
Asbestos Removal cost in Oshawa
$3,840 – $15,360
Water Damage Restoration cost in Oshawa
$2,048 – $6,144
Basement Finishing cost in Oshawa
$35,840 – $92,160
Garage Conversion cost in Oshawa
$30,720 – $76,800
ADU Construction cost in Oshawa
$192,000 – $384,000
Sunroom Addition cost in Oshawa
$30,720 – $102,400
New Home Construction cost in Oshawa
$422,400 – $1,126,400
Demolition Services cost in Oshawa
$7,680 – $28,800
Excavation and Grading cost in Oshawa
$9,600 – $28,800
Junk Removal cost in Oshawa
$461 – $922
Gutter Cleaning cost in Oshawa
$230 – $576
Snow Removal cost in Oshawa
$768 – $2,304
Appliance Repair cost in Oshawa
$154 – $832
Home Inspection cost in Oshawa
$448 – $896
Insurance costs in Oshawa
Loans costs in Oshawa
Legal costs in Oshawa
Construction Lawyer cost in Oshawa
$4,800 – $11,520
Contractor Dispute Attorney cost in Oshawa
$6,400 – $14,080
Mechanics Lien Attorney cost in Oshawa
$640 – $4,480
Construction Defect Lawyer cost in Oshawa
$14,080 – $30,720
Construction Contract Review Attorney cost in Oshawa
$512 – $3,200
Construction Accident Lawyer cost in Oshawa
$1,920 – $15,360
Permit and Zoning Attorney cost in Oshawa
$3,456 – $7,680
HOA Dispute Attorney cost in Oshawa
$2,880 – $6,400
Property Insurance Claim Lawyer cost in Oshawa
$640 – $7,680
Real Estate Closing Attorney cost in Oshawa
$768 – $3,200
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