BLACKSTONE MECHANICAL
City of Calgary
Building permit history · CanPermits
Total Permits
2
Total Project Value
—
First Permit
2025-05-13
Last Permit
2025-06-19
Work type
Renovation
2
Permits by year
BLACKSTONE MECHANICAL has 2 building permits on file in Calgary, from 2025 to 2025.
2025
2 permits
Permits
Showing the 2 most recent permits.
| Date ↓ | Address | Work type | Value ↕ |
|---|---|---|---|
| 2025-06-19 | 1415 14 AV NW | Renovation | — |
| 2025-05-13 | 1415 14 AV NW | Renovation | — |
Other contractors active in City of Calgary
Contractors with permit activity in the same municipality over the last 90 days.
BLACKSTONE MECHANICAL: ≥2 permits on public record in City of Calgary · earliest permit on record 2025 · most recent 2025. Compiled from municipal building-permit records; CanPermits does not verify licensing or business credentials.