General activity · Calgary · Earliest signal

Townhouse development · 3 permits · 53 AV

420 53 AV SW · WINDSOR PARK

Location context

Project location

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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 confidenceHighAddress-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
  • 3 related public records linked to this project
  • Applicant identified in a public record

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. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as general activity at development approved

    First detected Sep 10, 2026 Underlying source ↗
  2. Verified fact

    Development permit field changed

    Status: in_review → issued · 1 more field changed

    First detected Sep 10, 2026 Official record ↗
  3. Verified fact

    Development permit released

    Development permit released: NEW: SINGLE DETACHED DWELLING (EAST PARCEL), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Sep 10, 2026 Official record ↗
  4. Verified fact

    Development permit field changed

    Status: advertising → in_review

    First detected Sep 5, 2026 Official record ↗
  5. Verified fact

    Development permit field changed

    Status: advertising → in_review

    First detected Sep 5, 2026 Official record ↗
  6. Verified fact

    Development decision

    Development decision: NEW: SINGLE DETACHED DWELLING (EAST PARCEL), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Aug 18, 2026 Official record ↗
  7. Verified fact

    Development decision

    Development decision: NEW: SINGLE DETACHED DWELLING (WEST PARCEL), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Aug 18, 2026 Official record ↗
  8. Verified fact

    Development application

    Development application: NEW: SINGLE DETACHED DWELLING (EAST PARCEL), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

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

    Development application

    Development application: NEW: SINGLE DETACHED DWELLING (WEST PARCEL), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
  10. 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 ↗
  11. 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 changedDP2026-03461Sep 9, 2026Sep 10, 2026Official source ↗
City of CalgaryCalgary Development PermitsDevelopment permit field changedDP2026-03460Sep 4, 2026Sep 5, 2026Official source ↗
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2025-02860Sep 3, 2026Sep 4, 2026Official source ↗
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