In Royal Oak, the basement is the project. City of Calgary open data to 29 September 2026 shows 46 basement development permits since January 2023, issued a median of just 8 days after application, and 39 more permits for secondary suites. Only 12 permits went to new homes of any kind, and only 3 to detached garages.
Key takeaways
- Royal Oak had 46 basement development permits from January 2023 to 29 September 2026, fourth in the Northwest sector after Tuscany, Haskayne and Rocky Ridge.
- A Royal Oak basement permit was issued a median of 8 days after application; only 14 of the 87 communities with a median were faster, and 13 others tied at 8 days.
- The median declared value on a Royal Oak basement was $29,564, against $65,498 for a suite altered from existing space; both are what applicants wrote on the permit and run below real costs.
- Owners took out 39 secondary suite permits in all, 28 classed as alterations of existing space and 11 as new construction.
- Renovation permits fell from 22 in 2023 to 9 in 2025, while basement permits rose from 10 to 15 over the same years.
- 20% of Royal Oak residents were 14 or younger in 2021, and the average household had 2.9 people.
How many basements are finished in Royal Oak?
About one a month. The 46 permits ran at 10, 11 and 15 a year from 2023 to 2025, with 10 by 29 September 2026.
| Project | 2023 | 2024 | 2025 | 2026 to date | Total | Share of Calgary | Median declared value | Median days to issue |
|---|---|---|---|---|---|---|---|---|
| New single-detached houses | 2 | 1 | 1 | 0 | 4 | 0.0% | fewer than 5 | fewer than 5 |
| New semi-detached houses | 2 | 4 | 0 | 0 | 6 | 0.1% | $199,445 | 20 days |
| New rowhouses and townhouses | 1 | 1 | 0 | 0 | 2 | 0.1% | fewer than 5 | fewer than 5 |
| Secondary suites, new construction (City work class New) | 1 | 5 | 2 | 3 | 11 | 0.5% | $86,282 | 34 days |
| Secondary suites, alteration of existing space | 4 | 9 | 10 | 5 | 28 | 0.4% | $65,498 | 29.5 days |
| Additions | 2 | 5 | 1 | 0 | 8 | 0.5% | $39,178 | 31.5 days |
| Detached garages | 0 | 2 | 1 | 0 | 3 | 0.0% | fewer than 5 | fewer than 5 |
| Basement developments | 10 | 11 | 15 | 10 | 46 | 0.7% | $29,564 | 8 days |
| Renovations | 22 | 19 | 9 | 7 | 57 | 0.7% | $12,000 | 16 days |
| Decks | 8 | 8 | 10 | 5 | 31 | 1.2% | $5,755 | 11 days |
Permits issued, excluding cancelled ones. "Share of Calgary" is this community's part of the citywide count for the same project type and years. Declared value is what the applicant wrote on the permit application. It is not a quote and runs below real costs. Medians are shown only where a category has at least 5 permits. Source: City of Calgary open data (building permits, development permits, secondary suite registry, census 2021 population, census 2021 households, civic census 2019, land use districts), retrieved 5 October 2026.
The declared median, $29,564, is the second lowest in the Northwest sector, after Ranchlands, and 68th of the 87 communities profiled here; it's what applicants wrote on the permit, below real costs. A basement that becomes a suite is permitted separately, which is why the suite rows sit apart in the table. Neither figure is a cost; the legal basement suite guide has builder ranges for both.
Before you plan a basement bedroom, check the two numbers that most often decide it: ceiling height and window size. The basement ceiling height guide and the egress window guide give the code minimums.
Outside the basement, owners added 31 decks, 57 renovations and 8 additions. New homes were limited to 4 single-detached houses, 6 semis and 2 rowhouse or townhouse permits, all but one of them in 2023 and 2024.
Are Royal Oak owners building legal suites?
Steadily. Royal Oak had 28 suite permits classed as alterations of existing space and 11 in the City's New work class, which covers a suite built as new construction in a new or an existing house. Together those 39 are 0.4% of Calgary's suite permits in the window.
| Measure | Figure |
|---|---|
| Development permit applications (all types, since 2023) | 95 |
| Decided so far: approved / refused | 78 / 2 |
| Median days from application to decision | 35 days |
| Secondary suite development permit applications | 29 |
| Suites on the City's secondary suite registry (all years) | 88 |
| Added to the registry 2023, 2024, 2025, 2026 to date | 8, 15, 19, 10 |
| Districts with the most development permit applications | R-C1 (47), R-CG (33), R-C1N (5), DC (4) |
Development permits applied for from 1 January 2023; many home projects in Calgary need only a building permit, so these are a subset of all work. The registry lists suites the City has confirmed meet the rules, not every suite that exists. Source: City of Calgary open data (building permits, development permits, secondary suite registry, census 2021 population, census 2021 households, civic census 2019, land use districts), retrieved 5 October 2026.
Suite permits peaked at 14 in 2024, then 12 in 2025 and 8 so far in 2026. Of 95 development permit applications, 29 were for suites; 78 of 80 decided applications were approved, at a median of 35 days. The registry lists 88 Royal Oak suites, 19 of them added in 2025. No backyard suites were permitted here in the window.
Who lives in Royal Oak?
Families with children, mostly in houses they own. The 2021 census counted 11,580 people in 4,025 households.
| Measure | Figure |
|---|---|
| Population (2021 census) | 11,580 |
| Households (2021 census) | 4,025 |
| Average household size | 2.9 |
| One-person households | 19% |
| Households of five or more | 12% |
| Residents aged 0 to 14 / 65 and over | 20% / 11% |
| Dwellings (2019 civic census) | 4,082 |
| Single-detached | 2,897 (71%) |
| Duplex | 118 (3%) |
| Townhouse | 450 (11%) |
| Apartment | 609 (15%) |
| Owner-occupied | 3,325 (81%) |
Population and household figures are from the 2021 Census of Canada as published by the City of Calgary; dwelling types are from the City's 2019 civic census, the last one it ran. Newer communities have grown since. Source: City of Calgary open data (building permits, development permits, secondary suite registry, census 2021 population, census 2021 households, civic census 2019, land use districts), retrieved 5 October 2026.
In the 2019 civic census, 2,897 of 4,082 dwellings (71%) were single-detached and 3,325 (81%) were owner-occupied, the 12th highest share of 87 communities. Twelve percent of households had five or more people. That mix suggests why the basement matters: it's the one place in the house to add a bedroom, a playroom or a suite for a relative without building out. The bedroom size guide helps you check a basement bedroom against the code.
What does Royal Oak's zoning allow?
Mostly one-dwelling districts. R-C1, which the Land Use Bylaw 1P2007 names Residential - Contextual One Dwelling, covers 44.1% of Royal Oak, and R-C1N, Residential - Contextual Narrow Parcel One Dwelling, 5.3%.
| District | Share of the community's area |
|---|---|
| R-C1 | 44.1% |
| S-TUC | 19.4% |
| S-SPR | 9.4% |
| R-C1N | 5.3% |
| S-UN | 5.2% |
The share of the community's districted area in each land use district, from the City's district and community boundary maps intersected exactly. Districts change by lot and by amendment: check a specific lot on the City's land use map before you plan. Source: City of Calgary open data (building permits, development permits, secondary suite registry, census 2021 population, census 2021 households, civic census 2019, land use districts), retrieved 5 October 2026.
The second largest district is S-TUC, Special Purpose - Transportation and Utility Corridor, at 19.4%, and S-SPR (School, Park and Community Reserve) and S-UN (Urban Nature) add 14.6% between them. Multi-residential districts cover 5.9%. As of October 2026, a secondary suite is a permitted use in both R-C1 and R-C1N, so one that meets every zoning rule goes straight to a building permit. A backyard suite is discretionary there, and since 4 August 2026 a lot can't have both; see the backyard suites guide. Check your lot on the City's land use map.
Walking a Royal Oak basement at full size
Basements hide their problems behind the furnace and the stair: a bedroom that only fits a double bed once the closet is in, or a rec room that the mechanical room cuts in half. At the studio, the basement plan is lit at full size on a walkable LED floor, with room names and dimension lines, and a sofa and coffee table can be set in the rec room to test it. Elevations go up on a wall-size screen.
Changes go onto the floor during the session, and you keep the recording. Plans go in as a PDF or DWG at least three days ahead. The quote is free and depends on the plan's size: see pricing, book a session, or go back to the communities hub.
Questions
How long does a basement permit take in Royal Oak?
A Royal Oak basement development permit was issued a median of 8 days after application, from 46 permits issued January 2023 to 29 September 2026. Suite permits for alterations of existing space took longer, a median of 29.5 days.
Do I need a development permit for a basement suite in Royal Oak?
Usually not, as of October 2026. Most of Royal Oak's residential land is R-C1 or R-C1N, where a secondary suite is now a permitted use, so a suite that meets every zoning rule needs only a building permit. A relaxation would still send it to a development permit.
Are new houses still being built in Royal Oak?
Rarely. Royal Oak had 4 new single-detached house permits from 2023 to September 2026, none in 2026 so far, plus 6 semi-detached and 2 rowhouse or townhouse permits.
How many suites does Royal Oak have?
The City's registry lists 88 secondary suites in Royal Oak, and owners took out 39 suite permits from January 2023 to 29 September 2026. The registry counts only suites the City has confirmed.
Can I build a deck in Royal Oak quickly?
Usually. Royal Oak's 31 deck permits were issued a median of 11 days after application, with a median declared value of $5,755.
Sources
- City of Calgary open data: building permits data.calgary.ca
- City of Calgary open data: development permits data.calgary.ca
- City of Calgary open data: secondary suite registry data.calgary.ca
- City of Calgary open data: community boundaries data.calgary.ca
- City of Calgary open data: census 2021 population data.calgary.ca
- City of Calgary open data: census 2021 households data.calgary.ca
- City of Calgary open data: civic census 2019 data.calgary.ca
- City of Calgary open data: land use districts data.calgary.ca
- Land Use Bylaw 1P2007 calgary.ca
- land use map maps.calgary.ca

