Construction Brief
ProjectsBP2026-02516
Worth watching · Calgary

Townhouse development · 3 permits · 21 AV

4531 21 AV NW · MONTGOMERY

Recommended next action · Interpretation

Validate the construction team and ask whether estimating or supplier selection is active.

A building-permit application is active; estimating or supplier selection may be underway.

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

Location context

Project location

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Locating 4531 21 AV NW…

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Construction Brief interpretation

Why this matters

OpportunityWorth watching
Estimated project typeCommercial
Estimated current stageBuilding permit application
Likely commercial windowMajor-trade estimatingNow to approximately 4 months
Commercial-window confidence Medium confidence
Record-link confidenceHighAddress-only association; verify the related records

The source indicates new-build or major building scope at permit application; trade estimating may be active, but no procurement date is published.

Evidence behind the ranking

  • Disclosed value above CA$500,000
  • Commercial project with broad trade relevance
  • Project is still early enough for preconstruction follow-up
  • New or changed public record this week
  • 3 related public records linked to this project

Relevant trades

HVAC and mechanical

Rule-matched new construction or addition

Medium confidence
Plumbing

Rule-matched new construction or addition

Medium confidence
Electrical

Rule-matched new construction or addition

Medium confidence
Append-only history

Project timeline

  1. Verified fact

    Development permit field changed

    Status: in_review → hold

    First detected Sep 18, 2026 Official record ↗
  2. Verified fact

    Development permit released

    Development permit released: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITE (4 SUITES), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Aug 30, 2026 Official record ↗
  3. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as general activity at development application

    First detected Aug 24, 2026 Underlying source ↗
  4. Verified fact

    Development application

    Development application: REVISION: TOWNHOUSE, ACCESSORY RESIDENTIAL BUILDING, SECONDARY SUITE (CHANGE TO DP2025-03863, ADDITION OF THIRD FLOOR BALCONIES)

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

    Building permit application

    Building permit application: Commercial / Multi Family Project at #1 4531 21 AV NW

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

    Development decision

    Development decision: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITE (4 SUITES), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

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

    Development application

    Development application: NEW: TOWNHOUSE (1 BUILDING), SECONDARY SUITE (4 SUITES), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Development PermitsDevelopment permit field changedDP2026-02167Sep 17, 2026Sep 18, 2026Official source ↗
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2025-03863Sep 3, 2026Sep 4, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2026-02516Feb 25, 2026Jul 29, 2026Official source ↗
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