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Home โ†’ Calgary Address โ†’ Altadore โ†’ 4912 21 ST SW

๐Ÿ  Calgary Address Intelligence

4912 21 ST SW, Calgary

4912 21 ST SW is a detached home built in 1955, located in Altadore, Calgary. Explore schools, daily and 15-minute accessibility, public transit, traffic safety, crime and disorder trends, nearby development, flood risk, fire protection, 311 service requests, tree canopy, housing history, assessment values, and property taxes.

Community
Altadore
Calgary neighbourhood context
Property type
Detached
Based on Calgary property records
Year built
1955
Approximate housing age context
Official property data release: July 7, 2026
See the Complete Picture for 4912 21 ST SW

Free interactive maps, detailed comparisons, and the latest available data.

๐Ÿซ School Accessibility & Capacity

This address has higher CBE utilization but stronger daycare capacity. Highest assigned-school utilization is 102%, while closest daycare records provide 421 licensed spaces.

Nearest assigned school
Altadore School
2.6 min drive / 14.1 min walk
Farthest school walk
45.0 min
Mount Royal School
Highest utilization
102%
Over capacity
Daycare capacity
421 spaces
Extensive
Official dataset release: July 23, 2026

๐ŸŽ“ School Performance

Grade-band review matters here because the available records are not identical across Grade 6 and Grade 6. School rankings should be read as one indicator only, alongside school fit, program availability, transportation, learning supports, and family needs.

ST. JAMES SCHOOL
79.0 | Above Average
Grade 9, 2025 | Board rank 8/50 | Calgary rank 18/116
Mount Royal School
79.2 | Above Average
Grade 9, 2025 | Board rank 10/66 | Calgary rank 17/116
Latest PAT year
2025
Latest matched records in this static page
Lowest matched result
ST. JAMES SCHOOL
69.6 | Average | Grade 6
Official dataset release: June 16, 2026

๐Ÿš— Daily Accessibility

Car-based daily access is strong for this address. Grocery is 4.0 min, fitness is 2.8 min, and downtown is 11.6 min.

Junior high walk
45.0 min
Calgary median 25.2 min
Nearest LRT station
Shaganappi Point
Drive 7.9 min | Walk 51.3 min
Nearest daycare
2.3 min
MASTER'S BEFORE AND AFTER SCHOOL PROGRAM
Nearest park
Craig Reid Park
Walk 8.3 min | Drive 1.7 min
Daily accessibility map for 4912 21 ST SW, Calgary showing nearby schools, grocery stores, parks, LRT stations and nearby amenities
Daily accessibility map for 4912 21 ST SW, Calgary, showing nearby schools, grocery stores, parks, public transit, and everyday amenities.
Click the map to explore the interactive version.
Official dataset release: July 1, 2026

๐Ÿงญ 15-Minute Living Profile

The available profile shows broad access strength rather than one isolated destination advantage.

Lifestyle access
97/100
2 of 2 destinations within the model's 15-minute threshold
Most constrained theme
Mobility
62/100
CCSD family access
66/100
3 of 4 destinations within the model's 15-minute threshold
Official dataset release: August 25, 2026

๐ŸšŒ Nearby Bus Transit

Bus access at this address is mixed across stop proximity and nearby route availability.

Compared with Calgary
0.6 min faster
Calgary median 3.0 min
Routes within 5 minutes
2 routes
Routes 7, 13
Walk to nearest stop
2.5 min
About 207 m by the pedestrian route
Official dataset release: August 25, 2026

๐Ÿ‘ฅ Community Profile

Altadore combines higher household income with stronger university certificate or degree attainment.

University certificate / degree
61%
Calgary avg: 36%
Household income
$153,000
Calgary avg: $98,000
Home ownership
68%
Calgary avg: 69%
Immigrant population
14%
Calgary avg: 33%
Official dataset release: November 30, 2022

๐Ÿ˜๏ธ Community Density

Altadore has a population density of 3,420 people per km^2 and a residential density of 1,442 residential units per km^2. Compared with the Calgary community median, population density is 30.8% above and residential density is 34.1% above.

Official dataset release: November 30, 2022

๐ŸŒณ Nearby Tree Canopy Coverage

This address has stronger mapped canopy coverage than both comparison medians in the static data.

Compared with community
31.7 percentage points above
Altadore median 12.7%
Canopy area within 20 m
557.6 mยฒ
Mapped canopy area
Canopy benchmark profile
Above community / Above Calgary
Community / Calgary comparison
Official dataset release: August 13, 2026

๐ŸŒŠ Flood Context & ๐Ÿš’ Fire Protection Access

Flood mapping shows outside mapped flood zone. Emergency access is summarized by a 3.8 min drive to Lincoln Park Fire Station #20 and a hydrant distance of 73 m.

Flood zone / overlap
0%
outside mapped flood zone
Water hydrant
73 m
Near access to nearest City-owned hydrant
Official dataset releases: Flood July 10, 2026 ยท Fire July 10, 2026

๐Ÿ“ Disorder & Community Pressure

Altadore recorded a latest-month disorder pressure similar to the Calgary median, with Disturbance, Intoxicated Persons, and Noise Complaint among the common reported issues.

Most common reported issue
Disturbance
Latest available month
Calgary median
11.19 / 1,000
2026-06
Reporting month
2026-06
Latest available community data
Official dataset release: July 30, 2026

๐Ÿšฆ Nearby Traffic Safety Incidents

Traffic-safety records within 500 metres show a mixed road-user profile rather than a single incident category.

Recorded incident locations
2 locations
Distinct mapped coordinates
Pedestrian-related records
1 record
Matched records within the analysis area
Record coverage period
2024
Earliest to latest matched record
Official dataset release: August 18, 2026

โ˜Ž๏ธ 311 Service Requests

This static page classifies the local 311 pattern as roadway maintenance dominant. Latest-month rate, Calgary median comparison, common service-request types, and recent direction should be read together.

12-month comparison
78.6% above
Compared with Calgary median
Latest 311 rate
35.11 / 1,000
2026-06
Common issue
roadway maintenance issues
Most reported 12-month type
Highest month
37.49 / 1,000
2025-08
Official dataset release: July 10, 2026

๐Ÿ—๏ธ Nearby Development Permits

The closest matched Development Permit location is within 150 metres of this address, at about 69 m. A development permit does not confirm that work has started or will be completed.

Closest permit type
Secondary Suite
Current public permit record
Nearby permit types
Secondary Suite, Single Detached Dwelling, and Deck Relaxation
Up to three distinct record types
Nearby permits
24 permits
Within 400 m in the current search window
Official dataset release: August 16, 2026

๐Ÿงฑ Building Permit History

This page does not include usable Building Permit history for the address in the available City records.

Record scope
Address-level
City Building Permit history
Data status
No records returned
Available City static data
Building Permit records
No records returned
Current static data
Official dataset release: July 11, 2026

๐Ÿš๏ธ Housing History

Compared with a newer local median, this address has a noticeably more mature age profile.

Official dataset releases: Property July 7, 2026 ยท Building permits July 11, 2026

๐Ÿ’ฐ Property Value & Tax History

Assessment context is lower than the local same-type median: $1,020,000 versus $1,270,000 for Altadore Detached.

Tax vs last year
+17.3%
Year-over-year property tax change
Tax since 2005
+203.9%
First available tax to latest tax
Compared with Calgary
42.1% above
Same property type median
City assessment position
Above median
Compared with Calgary median
Official dataset release: April 1, 2026

See the Full Picture for 4912 21 ST SW

This page provides a quick overview of 4912 21 ST SW. For a complete interactive experience, open the YYC-Wander Address Explorer to explore maps, school details, flood context, fire access, assessment history, crime trends, community insights, and more.

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