Deck building cost in St. John's, NL (2026)
Estimated range · ~300 sq ft pressure-treated deck · before GST/HST
Cost range
| Tier | Estimated cost |
|---|---|
| Budget | $8,750 |
| Typical (midpoint) | $13,100 |
| Premium | $17,450 |
Modeled range, not a quote. City factor 0.97 (below the national baseline). How we calculate this.
What drives the price
- Size and scope of the job
- Material grade
- Access and site conditions
- Permits, disposal and seasonal demand
St. John's notes
NL construction workers averaged $33.61/hr in 2025 (StatCan Table 14-10-0064-01), 89% of the Canadian average. The StatCan construction price index for St. John's, Newfoundland and Labrador stood at 113.0 in April 2026 (2023=100). Check St. John's permit requirements before starting.
Get 3 free quotes in St. John's
FAQ
How much does deck building cost in St. John's?
Our modeled estimate for ~300 sq ft pressure-treated deck in St. John's, NL is $8,750–$17,450 before tax.
Why is St. John's below the national average?
Local construction wages in NL (StatCan LFS) and the construction price index for St. John's, Newfoundland and Labrador (StatCan BCPI, 113.0) give a city factor of 0.97.
Are these quotes?
No. They are modeled ranges for planning. Get at least 3 written quotes from licensed local contractors.
Deck building cost in other cities
Toronto · Montréal · Vancouver · Calgary · Edmonton · Ottawa · Winnipeg · Québec City
Other projects in St. John's
Roof replacement · Furnace replacement · Hot water tank replacement · Window replacement · Fence installation · Basement finishing · Bathroom renovation · Siding replacement · Driveway paving