01Terrebonne, QC · tier 2 market
Low-rise office building cost in Terrebonne
A two to six storey office shell delivered to base-building standard: core, envelope, elevators and primary mechanical, with tenant space left open. Base building and tenant fit-out are separate budgets and should never be blended into one rate.
02The curated band
Hard cost, standard spec
$326/sf
Band $261 – $409
All-in, preset build
$493/sf
60,000 sf, 4 storey
Hard share of all-in
75%
Rest is soft cost, charges, contingency, escalation
QC escalation
3.5%/yr
Quarter ending 2025-09-30
Buildlor Construction Cost Index · Last updated 2026-01-15 · Maintained by Buildlor Cost Desk
Scope: Terrebonne, Quebec — Low-rise office building
Inputs: Altus Group Canadian Cost Guide 2025, Toronto base range; Statistics Canada Building Construction Price Index, table 18-10-0135-01
Next scheduled review: 2026-04-15
03Build the stack
Your build
All-in cost — Office (low-rise), Terrebonne
$29,582,371
$493/sf · band $23,344,257 – $37,699,314
At this specification the office (low-rise) prices at about $493 per square foot all-in, with a 49% spread between the low and high band. Hard cost is 75% of the total and everything above it is soft cost, charges, contingency and escalation.
| Line | Amount | $/sf |
|---|---|---|
| Substructure and foundations | $2,431,699 | $41/sf |
| Structure and frame | $4,863,398 | $81/sf |
| Envelope, roofing and glazing | $3,647,549 | $61/sf |
| Interior partitions and finishes | $2,836,982 | $47/sf |
| Mechanical and plumbing | $3,242,266 | $54/sf |
| Electrical and life safety | $2,229,058 | $37/sf |
| General conditions and fee | $1,013,208 | $17/sf |
| Site work and servicing | $1,823,774 | $30/sf |
| Hard cost subtotal | $22,087,934 | $368/sf |
| Design and consultants | $1,590,331 | $27/sf |
| Permits, approvals and reviews | $397,583 | $7/sf |
| Project management and testing | $795,166 | $13/sf |
| Financing, insurance and legal | $1,192,748 | $20/sf |
| Contingency (10%) | $2,606,376 | $43/sf |
| Escalation to midpoint (12 mo) | $912,232 | $15/sf |
| All-in cost | $29,582,371 | $493/sf |
How these figures were produced
- Observed — Recorded directly from the cited source series, unadjusted.
- Modelled — Derived arithmetically from observed inputs using the published method; not a market quote.
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04What moves the number
Cost drivers for this type in Terrebonne
Glazing ratio
a fully glazed curtain wall can double envelope cost against a punched-window precast facade.
Floor plate efficiency
a small plate spreads core, elevator and stair cost across less rentable area.
Parking
structured or underground parking is a separate cost per stall and often exceeds the building rate per square foot.
Base building versus fit-out
the shell rate assumes no tenant partitions, so price the fit-out separately.
Terrebonne's growth is residential-led, so commercial contractors here are smaller and price risk more conservatively. That is why the same drawings priced in Terrebonne and in Toronto do not land at the same number even when the trades are the same.
On the preset build above, hard cost is $22,087,934 and everything after it — soft cost, charges, contingency and escalation — adds $7,494,436. Budgeting off a hard rate alone is the single most common way an early construction budget goes wrong.
Buildlor facts
- Hard cost for a office (low-rise) in Terrebonne sits at $326 per square foot at standard specification.
- Soft cost at 18% of hard adds $3,975,828 to the preset build.
- QC construction escalation is running at 3.5% a year, or $912,232 over twelve months on this build.
05Related
Other types in Terrebonne
- Warehouse and distribution shellWarehouse · tier 1 topic
- Retail strip and plaza shellRetail strip · tier 1 topic
- Low-rise apartment buildingApartment (low-rise) · tier 1 topic
- High-rise apartment towerApartment (high-rise) · tier 2 topic
- Office tenant improvementOffice fit-out · tier 1 topic
- Retail tenant improvementRetail fit-out · tier 2 topic
- Medical and dental clinic fit-outMedical fit-out · tier 3 topic
06Questions
What does it cost to build a office (low-rise) in Terrebonne?
On the curated Terrebonne band, hard cost runs $261 to $409 per square foot for a office (low-rise) at standard specification. Adding site work, soft cost, charges, contingency and twelve months of escalation puts the all-in figure near $493 per square foot on a 60,000 sf preset. Your own area and specification change that number, which is what the builder above is for.
Why does Terrebonne price where it does?
Terrebonne's growth is residential-led, so commercial contractors here are smaller and price risk more conservatively. The published Toronto base range is scaled by a documented factor of 0.87 for this market, and the QC escalation series is running at 3.5 percent a year.
Is the development charge in this number?
No. We do not yet hold a charge row for Terrebonne. Enter the figure from the municipality's schedule in the builder.
What is excluded from every figure here?
Land, financing interest during construction beyond the soft-cost allowance, taxes recoverable as input credits, tenant furniture and equipment, and any remediation or off-site works. Those are separate line items in a real proforma.
07Sources
Sources
- [1] Altus Group Canadian Cost Guide 2025, Toronto base range — Published Toronto range scaled by a documented city cost factor of 0.87. Hard cost only: excludes land, soft costs, development charges and contingency.
- [2] Statistics Canada Building Construction Price Index, table 18-10-0135-01 — Non-residential building construction, Montreal CMA.
Not advice — Buildlor is a data publisher. We do not bid, price, estimate, or build work, and nothing here is a quote, a tender price, or construction advice. Figures are indicative order-of-magnitude benchmarks for early budgeting and must be confirmed by a qualified cost consultant, quantity surveyor, or general contractor before you rely on them. About Buildlor