Deck building cost in Saint John, NB (2026)
Estimated range · ~300 sq ft pressure-treated deck · before GST/HST
Cost range
| Tier | Estimated cost |
|---|---|
| Budget | $7,950 |
| Typical (midpoint) | $11,925 |
| Premium | $15,900 |
Modeled range, not a quote. City factor 0.883 (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
Saint John notes
NB construction workers averaged $31.23/hr in 2025 (StatCan Table 14-10-0064-01), 82% of the Canadian average. The StatCan construction price index for New Brunswick stood at 106.4 in April 2026 (2023=100). Check Saint John permit requirements before starting.
Get 3 free quotes in Saint John
FAQ
How much does deck building cost in Saint John?
Our modeled estimate for ~300 sq ft pressure-treated deck in Saint John, NB is $7,950–$15,900 before tax.
Why is Saint John below the national average?
Local construction wages in NB (StatCan LFS) and the construction price index for New Brunswick (StatCan BCPI, 106.4) give a city factor of 0.883.
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 Saint John
Roof replacement · Furnace replacement · Hot water tank replacement · Window replacement · Fence installation · Basement finishing · Bathroom renovation · Siding replacement · Driveway paving