Construction Brief
ProjectsDP2026-04167
General activity · Calgary

Demolition at 4327 20 AV NW

4327 20 AV NW · MONTGOMERY

Recommended next action · Interpretation

Confirm the applicant and consultants before the project reaches building-permit issuance.

A development application is active, when design-team and specification outreach may still be timely.

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 application
Likely commercial windowSpecificationApproximately 1 to 4 months
Commercial-window confidence Medium confidence
Record-link confidenceLowAddress-only association; verify the related records

A development application often precedes detailed permit and trade procurement work.

Evidence behind the ranking

  • Early-stage signal: development application
  • New or changed public record this week
  • 4 related public records linked to this project
  • Applicant identified in a public record
Append-only history

Project timeline

  1. Verified fact

    Development record updated

    Development record updated: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

    First detected Aug 20, 2026 Official record ↗
  2. Verified fact

    Development record updated

    Development record updated: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

    First detected Aug 19, 2026 Official record ↗
  3. InterpretationMedium confidence

    Construction Brief assessment

    Project assessed as general activity at development application

    First detected Aug 18, 2026 Underlying source ↗
  4. Verified fact

    Development record updated

    Development record updated: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

    First detected Aug 18, 2026 Official record ↗
  5. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as general activity at development application

    First detected Aug 10, 2026 Underlying source ↗
  6. Verified fact

    Development record updated

    Development record updated: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

    First detected Aug 10, 2026 Official record ↗
  7. Verified fact

    Development record updated

    Development record updated: NEW: BACKYARD SUITE (ABOVE GARAGE), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Aug 10, 2026 Official record ↗
  8. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as worth watching at development approved

    First detected Aug 1, 2026 Underlying source ↗
  9. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as worth watching at development approved

    First detected Aug 1, 2026 Underlying source ↗
  10. Verified fact

    Development record updated

    Development record updated: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

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

    Development record updated

    Development record updated: NEW: BACKYARD SUITE (ABOVE GARAGE), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

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

    Development decision

    Development decision: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

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

    Development permit released

    Development permit released: NEW: BACKYARD SUITE (ABOVE GARAGE), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

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

    Development application

    Development application: REVISION: ACCESSORY RESIDENTIAL BUILDING (GARAGE), BACKYARD SUITE (ABOVE GARAGE) - (CHANGE TO DP2026-00629 - LOCATION)

    First detected Jul 29, 2026 Official record ↗
  15. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as general activity at occupancy or completion

    First detected Aug 1, 2026 Underlying source ↗
  16. Verified fact

    Building permit record updated

    Building permit record updated: Demolition at 4327 20 AV NW

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

    Permit completed

    Permit completed: Demolition at 4327 20 AV NW

    First detected Jul 29, 2026 Official record ↗
  18. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as worth watching at development approved

    First detected Aug 1, 2026 Underlying source ↗
  19. Verified fact

    Development record updated

    Development record updated: NEW: CONTEXTUAL SINGLE DETACHED DWELLING, SECONDARY SUITE (BASEMENT)

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

    Development permit released

    Development permit released: NEW: CONTEXTUAL SINGLE DETACHED DWELLING, SECONDARY SUITE (BASEMENT)

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

    Development decision

    Development decision: NEW: CONTEXTUAL SINGLE DETACHED DWELLING, SECONDARY SUITE (BASEMENT)

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

    Development decision

    Development decision: NEW: BACKYARD SUITE (ABOVE GARAGE), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

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

    Building permit issued

    Building permit issued: Demolition at 4327 20 AV NW

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

    Building permit application

    Building permit application: Demolition at 4327 20 AV NW

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

    Development application

    Development application: NEW: CONTEXTUAL SINGLE DETACHED DWELLING, SECONDARY SUITE (BASEMENT)

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

    Development application

    Development application: NEW: BACKYARD SUITE (ABOVE GARAGE), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Development PermitsDevelopment record updatedDP2026-04167Aug 19, 2026Aug 20, 2026Official source ↗
City of CalgaryCalgary Development PermitsDevelopment record updatedDP2026-00629Aug 3, 2026Aug 10, 2026Official source ↗
City of CalgaryCalgary Building PermitsBuilding permit record updatedBP2026-05638Jul 13, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Development PermitsDevelopment record updatedDP2026-01265May 12, 2026Jul 29, 2026Official source ↗
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