Construction Brief
ProjectsDP2025-05034
Worth watching · Calgary · Earliest signal

Townhouse development · 7 permits · 20 AV

4820 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.

Location context

Project location

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Locating 4820 20 AV NW…

Checking the project address against Calgary map data…

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Construction Brief interpretation

Why this matters

OpportunityWorth watching
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
  • 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 application

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

    Permit completed

    Permit completed: 3-storey, 3-unit rowhouse + 3 SS. Detached garage

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

    Building permit issued

    Building permit issued: 3-storey, 3-unit rowhouse + 3 SS. Detached garage

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

    Permit completed

    Permit completed: 3-storey, 3-unit rowhouse + 3 SS

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

    Permit completed

    Permit completed: Duplex with secondary suites

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

    Permit completed

    Permit completed: Duplex with secondary suites

    First detected Jul 29, 2026 Official record ↗
  9. 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 ↗
  10. 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 ↗
  11. Verified fact

    Permit completed

    Permit completed: A new, 2 storey, 4 unit townhouse w. suites, Part 9, Group C occupancy

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2025-05034Sep 3, 2026Sep 4, 2026Official source ↗
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2025-05033Sep 3, 2026Sep 4, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2025-11373Jan 14, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2025-11371Dec 17, 2025Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2025-04775Oct 15, 2025Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2025-04694Oct 15, 2025Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2024-12038Aug 13, 2025Jul 29, 2026Official source ↗
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