Top lists

Curated rankings of Calgary buildings and communities, refreshed nightly from City data.

• Largest buildings

  Formula: unit_count descending; buildings with an unknown unit count are left out and counted. Scope: Buildings on record, not retired, with 10 or more units. 1,424 rows, refreshed 2026-11-14.

• Tallest buildings (estimated)

  Formula: storeys_est descending, from the LiDAR height estimate; buildings with no height estimate are left out and counted. Scope: Buildings on record, not retired, with 10 or more units. No rows yet.

• Newest buildings

  Formula: year_built descending, then unit count; buildings with no year built are left out and counted. Scope: Buildings on record, not retired, with 10 or more units. 1,424 rows, refreshed 2026-11-14.

• Oldest buildings still standing

  Formula: year_built ascending, from 1880 on; buildings with no year built are left out and counted. Scope: Buildings on record, not retired, with 10 or more units. 1,422 rows, refreshed 2026-11-14.

• Most permits in the last 24 months

  Formula: count of permits issued in the last 24 months, descending. Scope: Buildings on record, not retired, with 10 or more units. 217 rows, refreshed 2026-11-14.

• Buildings with open permits right now

  Formula: count of permits with status open, descending. Scope: Buildings on record, not retired, with 10 or more units. 117 rows, refreshed 2026-11-14.

• Biggest rise in median unit value, 5 years

  Formula: median unit value now divided by its value five roll years earlier, descending; condo buildings with both years present only. Scope: Condo buildings on record, not retired, with 10 or more units. 1,289 rows, refreshed 2026-11-14.

• Biggest fall in median unit value, 5 years

  Formula: the same ratio as the rise list, ascending. Scope: Condo buildings on record, not retired, with 10 or more units. 15 rows, refreshed 2026-11-14.

• Most short-term rental licences

  Formula: str_licence_count descending; buildings with at least one licence only. Scope: Buildings on record, not retired, with 10 or more units. No rows yet.

• Most assessment appeals, 15 years

  Formula: count of assessment appeals in the last 15 roll years, descending. Scope: Buildings on record, not retired, with 10 or more units. 397 rows, refreshed 2026-11-14.

• Communities with the most buildings

  Formula: count of buildings on record, descending. Scope: Every community with buildings on record. 166 rows, refreshed 2026-11-14.

• Communities with the most service requests per 1,000 residents

  Formula: service requests in the last 12 months per 1,000 residents, descending; communities with fewer than 1,000 residents are left out. Scope: Communities with 1,000 or more residents. 185 rows, refreshed 2026-11-14.

How every list is computed and what it leaves out: methodology.