Construction Brief
ProjectsDP2026-00861
General activity · Calgary

Single detached dwelling (west lot), accessory residential building (garage)

814 21 AV NW · MOUNT PLEASANT

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.

Location context

Project location

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Locating 814 21 AV NW…

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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 High confidence
Record-link confidenceHighAddress-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
  • 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 worth watching at development approved

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

    Development permit released

    Development permit released: NEW: SINGLE DETACHED DWELLING (WEST LOT), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

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

    Development permit released

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

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

    Development decision

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

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

    Development decision

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

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

    Permit completed

    Permit completed: Demolition at 814 21 AV NW

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

    Building permit issued

    Building permit issued: Demolition at 814 21 AV NW

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

    Development application

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

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

    Development application

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

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

    Building permit application

    Building permit application: Demolition at 814 21 AV NW

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

    Permit completed

    Permit completed: Demolition at 4535 21 AV NW

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

    Building permit issued

    Building permit issued: Demolition at 4535 21 AV NW

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

    Building permit application

    Building permit application: Demolition at 4535 21 AV NW

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2026-00861Jul 13, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2026-00860Jul 13, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2026-02468Mar 16, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2025-16799Sep 25, 2025Jul 29, 2026Official source ↗
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