21 Withrow Ave
An address in North Riverdale, outside TRCA flood and shoreline hazard areas, with no active development applications within 250 metres.
Data as of Nov 8, 2026 · Every item lists its source
Key findings
- Outside TRCA flood and shoreline hazard areas.
- 0 active development applications and 5 Committee of Adjustment applications within 250 m.
RentSafe score—not a registered apartment building
Fire code violations—no inspection records
Applications5active within 250 m
Flood hazardOutsideTRCA mapping
01The building
ItemFindingPrecisionSource · as of
RentSafe evaluationNot a registered apartment buildingThis addressApartment Building Evaluation
Fire code inspectionsNo inspection recordsThis addressResidential Fire Inspection Results
Building orders and noticesNone on recordThis addressBuilding Construction/Demolition Violations
Building permits, last 5 years0 permitsThis addressBuilding Permits · 1 on record
Short-term rentalNot registeredThis addressShort Term Rentals Registration
Heritage statusNot on the Heritage RegisterThis addressHeritage Register
Recent permits (1)
- Back Water Valve (Sewer only) · Inspection · Nov 30, 2020
Proposal to install a BWV for existing SFD-SEMI · Permit 20 222464 DRN
02Risks and the ground
ItemFindingPrecisionSource · as of
River flood hazardOutsideThis addressTRCA Regulation mapping 2025
Lake shoreline hazardOutsideThis addressTRCA Regulation mapping 2025
TRCA regulated areaOutsideThis addressTRCA Regulation mapping 2025
Basement flooding study areaBFA32Your areaBasement Flooding Study Areas · the City divides all of Toronto into study areas; this names yours, not a risk level
Lead in tap water samples, postal area M4K6 of 420 above 0.01 ppmYour area · M4KNon Regulated Lead Sample · Jan 2, 2014 to Oct 5, 2026
TRCA mapping is for screening, not site-specific decisions. Lead results are voluntary samples from homes in the postal area, not this address.
03What’s changing nearby
- 111 Riverdale Ave · 127 m · Committee of Adjustment · Minor variance · TLAB AppealTo construct a new two-storey semi-detached ancillary building with a complete cantilevered second storey, and front and rear juliette balconies. This ancillary building (abutting the laneway) will contain a one car garage on the ground…File A0609/25TEY · submitted Aug 12, 2025
- 29 Riverdale Ave · 130 m · Committee of Adjustment · Minor variance · TLAB AppealTo construct a new two-storey semi-detached ancillary building with a partially cantilevered second storey, and a rear juliette balcony. This ancillary building (abutting the laneway) will contain a one car garage on the ground level and…File A0605/25TEY · submitted Aug 12, 2025
- 377 Withrow Ave · 147 m · Committee of Adjustment · Minor variance · Approved with ConditionsTo alter the existing two-and-one-half-storey detached dwelling by constructing a two-storey rear addition (with basement), a third storey addition, as well as a rear ground floor deck with stairs. The existing one-storey rear addition,…File A0750/23TEY · submitted Aug 31, 2023
- 485 Withrow Ave · 180 m · Committee of Adjustment · Minor variance · PostponedTo install a front yard parking pad.File A0065/24TEY · submitted Jan 18, 2024
- 525 Sparkhall Ave · 209 m · Committee of Adjustment · Minor variance · Approved with ConditionsTo permit ancillary structures (a raised deck and stairs, a new fence with support braces and a roll-up laneway door (for the existing parking space)). Also, to construct a new ancillary structure (shed) and to maintain the existing shed…File A1369/22TEY · submitted Dec 7, 2022
Development Applications; Committee of Adjustment Applications · 4 registered short-term rentals within 250 m.
04City services
ItemFindingPrecisionSource · as of
Garbage dayNovember 19, 2026This addressCollection calendar Thursday 1
Next recyclingNovember 12, 2026This addressSolid Waste Collection Schedule
05Quick answers about 21 Withrow Ave
Is 21 Withrow Ave in a flood plain?
No. It is outside TRCA's mapped flood and shoreline hazard areas. Source: TRCA Regulation mapping 2025.
What is being built near 21 Withrow Ave?
0 active development applications within 250 metres. Source: Development Applications.
When is garbage day at 21 Withrow Ave?
Collection calendar Thursday 1. Next garbage pickup: Nov 19, 2026. Source: Solid Waste Collection Schedule.
Answers are generated from the data on this page and update when the data changes.
06From the archives
Photo locations are matched from each photo’s title against City street and address data, so some may be off. Report a wrong location