Construction Brief
ProjectsBP2026-15836
Worth watching · Calgary

Contextual single detached dwelling, accessory residential building (garage)

1817 31 AV SW · SOUTH CALGARY

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 1817 31 AV SW…

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Construction Brief interpretation

Why this matters

OpportunityWorth watching
Estimated project typeResidential
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
  • Project is still early enough for preconstruction follow-up
  • New or changed public record this week
  • 6 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

New-build or multi-unit scope commonly includes plumbing work.

Low confidence · Now to approximately 4 months
Electrical

Rule-matched new construction or addition

Medium confidence
Concrete

The public description indicates new-build, addition, or structural scope.

Medium confidence · Now to approximately 4 months
Append-only history

Project timeline

  1. InterpretationHigh confidence

    Construction Brief assessment

    Project assessed as general activity at building permit issued

    First detected Sep 25, 2026 Underlying source ↗
  2. Verified fact

    Building permit field changed

    Status: in_review → issued · 1 more field changed

    First detected Sep 25, 2026 Official record ↗
  3. Verified fact

    Building permit field changed

    Issued At: not stated → 2026-09-23T06:00:00+00:00

    First detected Sep 25, 2026 Official record ↗
  4. Verified fact

    Building permit issued

    Building permit issued: Garage

    First detected Sep 25, 2026 Official record ↗
  5. Verified fact

    Building permit issued

    Building permit issued: SFD,BSMT-DEV,FIREPLACE,DECK

    First detected Sep 25, 2026 Official record ↗
  6. Verified fact

    Building permit application

    Building permit application: SEMI-D,BSMT-DEV,FIREPLACE,GARAGE,DECK

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

    Building permit application

    Building permit application: Garage

    First detected Aug 22, 2026 Official record ↗
  8. Verified fact

    Building permit application

    Building permit application: SFD,BSMT-DEV,FIREPLACE,DECK

    First detected Aug 22, 2026 Official record ↗
  9. Verified fact

    Development permit released

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

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

    Development decision

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

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

    Permit completed

    Permit completed: Demolition at 1817 31 AV SW

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

    Building permit issued

    Building permit issued: Demolition at 1817 31 AV SW

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

    Building permit application

    Building permit application: Demolition at 1817 31 AV SW

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

    Development application

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

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

    Permit completed

    Permit completed: Garage

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Building PermitsBuilding permit field changedBP2026-15837Sep 24, 2026Sep 25, 2026Official source ↗
City of CalgaryCalgary Building PermitsBuilding permit field changedBP2026-15836Sep 24, 2026Sep 25, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2026-16836Sep 3, 2026Sep 4, 2026Official source ↗
City of CalgaryCalgary Development Permitsdevelopment_permit · record_updatedDP2026-02414Aug 4, 2026Aug 10, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2026-09630Jul 13, 2026Jul 29, 2026Official source ↗
City of CalgaryCalgary Building Permitsbuilding_permit · record_updatedBP2024-11871Feb 4, 2026Jul 29, 2026Official source ↗
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