Construction Brief
ProjectsDP2025-00411
General activity · Calgary

Demolition at 1525 21 ST NW

1525 21 ST NW · HOUNSFIELD HEIGHTS/BRIAR HILL

Recommended next action · Interpretation

Approach the applicant or project team about specification and preconstruction needs.

Development approval can precede detailed permits and trade procurement.

Verify the latest status with the official source or project team before acting.

Construction Brief interpretation

Why this matters

OpportunityGeneral activity
Estimated project typeResidential
Estimated current stageDevelopment approved
Likely commercial windowPreconstructionNow to approximately 3 months
Commercial-window confidence Medium confidence
Record-link confidenceLowAddress-only association; verify the related records

Development approval can move a project toward detailed design and building permits.

Evidence behind the ranking

  • Project is still early enough for preconstruction follow-up
  • New or changed public record this week
  • 2 related public records linked to this project
  • Applicant identified in a public record

Relevant trades

Concrete

The public description indicates new-build, addition, or structural scope.

Medium confidence · Now to approximately 3 months
Plumbing

New-build or multi-unit scope commonly includes plumbing work.

Low confidence · Now to approximately 3 months
Append-only history

Project timeline

  1. Verified fact

    Development record updated

    Development record updated: NEW: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITES (6 SUITES), SEMI-DETACHED DWELLING, ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
  2. Verified fact

    Development permit released

    Development permit released: NEW: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITES (6 SUITES), SEMI-DETACHED DWELLING, ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
  3. Verified fact

    development_permit · sdab_decision

    development_permit · sdab_decision: NEW: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITES (6 SUITES), SEMI-DETACHED DWELLING, ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
  4. Verified fact

    Building permit record updated

    Building permit record updated: Demolition at 1525 21 ST NW

    First detected Jul 29, 2026 Official record ↗
  5. Verified fact

    Permit completed

    Permit completed: Demolition at 1525 21 ST NW

    First detected Jul 29, 2026 Official record ↗
  6. Verified fact

    development_permit · sdab_hearing

    development_permit · sdab_hearing: NEW: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITES (6 SUITES), SEMI-DETACHED DWELLING, ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Development PermitsDevelopment record updatedDP2025-00411Jan 19, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Building PermitsBuilding permit record updatedBP2025-12679Aug 19, 2025Jul 29, 2026Official source ↗
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