How much do projects cost in Markham, ON?
Markham contractor pricing runs 37% above the national average. Every guide below is adjusted to local labor rates, permits and climate.
Local labor
Skilled trades across Markham are unionised or association-backed, and GTA labour rates run well above the North American average — expect quotes in Canadian dollars roughly 37% 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
Markham 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
Markham 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 Markham
Fence Installation cost in Markham
$2,055 – $5,480
Roof Replacement cost in Markham
$11,645 – $46,580
Kitchen Remodel cost in Markham
$24,660 – $130,150
HVAC Replacement cost in Markham
$7,535 – $24,660
Deck Building cost in Markham
$6,028 – $16,440
Window Replacement cost in Markham
$617 – $2,055
Bathroom Remodel cost in Markham
$8,905 – $52,060
Interior Painting cost in Markham
$1,644 – $8,220
Roof Repair cost in Markham
$548 – $2,466
Siding Installation cost in Markham
$9,590 – $30,140
Flooring Installation cost in Markham
$2,192 – $8,905
Concrete Driveway cost in Markham
$4,795 – $13,015
Plumbing Repair cost in Markham
$247 – $1,165
Electrical Panel Upgrade cost in Markham
$2,466 – $6,165
Solar Panel Installation cost in Markham
$20,550 – $43,840
Water Heater Installation cost in Markham
$1,644 – $4,795
Landscaping cost in Markham
$4,110 – $20,550
Tree Removal cost in Markham
$548 – $2,466
Garage Door Installation cost in Markham
$1,233 – $4,795
Foundation Repair cost in Markham
$3,014 – $11,645
Gutter Installation cost in Markham
$1,233 – $3,836
Basement Waterproofing cost in Markham
$4,110 – $16,440
Home Addition cost in Markham
$61,650 – $191,800
Pool Installation cost in Markham
$47,950 – $116,450
Asphalt Paving cost in Markham
$2,466 – $5,754
Exterior Painting cost in Markham
$4,110 – $12,330
Drywall Installation cost in Markham
$2,055 – $4,795
Insulation Installation cost in Markham
$2,466 – $7,398
Tile Installation cost in Markham
$1,918 – $6,850
Countertop Installation cost in Markham
$2,466 – $7,398
Cabinet Refacing cost in Markham
$3,425 – $12,056
Hardwood Floor Refinishing cost in Markham
$3,288 – $8,768
Carpet Installation cost in Markham
$3,357 – $10,549
Stucco Repair cost in Markham
$2,192 – $6,850
Pressure Washing cost in Markham
$308 – $1,028
Sod Installation cost in Markham
$3,699 – $9,042
Sprinkler System Installation cost in Markham
$4,932 – $9,864
Retaining Wall Installation cost in Markham
$5,138 – $12,330
Patio Installation cost in Markham
$4,110 – $12,330
Epoxy Garage Floor Coating cost in Markham
$2,466 – $7,398
Chimney Repair cost in Markham
$617 – $4,795
Mold Remediation cost in Markham
$1,973 – $4,932
Septic System Installation cost in Markham
$8,220 – $27,400
Sewer Line Replacement cost in Markham
$6,576 – $20,550
Water Well Drilling cost in Markham
$6,850 – $17,810
Sump Pump Installation cost in Markham
$822 – $3,425
Water Softener Installation cost in Markham
$1,644 – $4,795
Standby Generator Installation cost in Markham
$12,330 – $24,660
EV Charger Installation cost in Markham
$1,096 – $3,425
Smart Home Installation cost in Markham
$1,644 – $5,480
Home Security System Installation cost in Markham
$1,315 – $4,932
Ductwork Replacement cost in Markham
$5,138 – $12,330
Heat Pump Installation cost in Markham
$9,042 – $18,495
AC Repair cost in Markham
$206 – $2,055
Furnace Repair cost in Markham
$206 – $1,918
Boiler Installation cost in Markham
$6,165 – $15,070
Radon Mitigation cost in Markham
$1,233 – $3,425
Asbestos Removal cost in Markham
$4,110 – $16,440
Water Damage Restoration cost in Markham
$2,192 – $6,576
Basement Finishing cost in Markham
$38,360 – $98,640
Garage Conversion cost in Markham
$32,880 – $82,200
ADU Construction cost in Markham
$205,500 – $411,000
Sunroom Addition cost in Markham
$32,880 – $109,600
New Home Construction cost in Markham
$452,100 – $1,205,600
Demolition Services cost in Markham
$8,220 – $30,825
Excavation and Grading cost in Markham
$10,275 – $30,825
Junk Removal cost in Markham
$493 – $986
Gutter Cleaning cost in Markham
$247 – $617
Snow Removal cost in Markham
$822 – $2,466
Appliance Repair cost in Markham
$164 – $891
Home Inspection cost in Markham
$480 – $959
Insurance costs in Markham
Loans costs in Markham
Legal costs in Markham
Construction Lawyer cost in Markham
$5,138 – $12,330
Contractor Dispute Attorney cost in Markham
$6,850 – $15,070
Mechanics Lien Attorney cost in Markham
$685 – $4,795
Construction Defect Lawyer cost in Markham
$15,070 – $32,880
Construction Contract Review Attorney cost in Markham
$548 – $3,425
Construction Accident Lawyer cost in Markham
$2,055 – $16,440
Permit and Zoning Attorney cost in Markham
$3,699 – $8,220
HOA Dispute Attorney cost in Markham
$3,083 – $6,850
Property Insurance Claim Lawyer cost in Markham
$685 – $8,220
Real Estate Closing Attorney cost in Markham
$822 – $3,425
Cities near Markham
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