Are there building permits at 421 Rideau River St, Waterloo?

421 Rideau River St has 2 municipal building permits on record, with the latest activity dated Apr 13, 2026.

What construction activity is near 421 Rideau River St?

12 mapped permits were found within 2 km of 421 Rideau River St.

What is the declared permit value at 421 Rideau River St?

Permits recorded at 421 Rideau River St represent $100K–$500K in total declared construction value.

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PropertyLabsWaterlooAddress intelligence

421 Rideau River St

Building permit intelligence · Waterloo, ON

2 at this address12 nearby within 2 km

421 Rideau River St has 2 municipal building permits on file. The latest recorded activity was a pre permit dated Apr 13, 2026. Permits at this address represent $100K–$500K in total declared construction value. PropertyLabs also identified 12 mapped permits within 2 km of this address.

At this address: 2
Nearby (2 km): 12
Latest activity: Apr 13, 2026
Total permitted value: $100K–$500K

Permit activity timeline

PREComplete$10K–$50KApr 13, 2026
New - Residential Building Permit
REComplete$100K–$500KApr 18, 2008
Residential Building Permit

Development activity near 421 Rideau River St

12 mapped permits within 2 km, shown on the intelligence map above.

Browse recent permits near this address

More permits on Rideau River St

1 other address on Rideau River St with municipal permit records in Waterloo.

All Rideau River St permits

455 Rideau River St2 permits · latest Mar 5, 2025

421 Rideau River St in the Waterloo permit market

This address has 2 permit records in PropertyLabs' public history. The city figures below provide context without changing the focus of this exact-address record.

Explore Waterloo building permits

City address-linked rows: 33,264
City, trailing 90 days: 271
City, trailing 30 days: 105

City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Aug 1, 2026.

Permit questions about 421 Rideau River St

Are there building permits at this address?: 421 Rideau River St has 2 municipal building permits on record, with the latest activity dated Apr 13, 2026.
What construction activity is nearby?: 12 mapped permits were found within 2 km of 421 Rideau River St.
What is the declared permit value?: Permits recorded at 421 Rideau River St represent $100K–$500K in total declared construction value.

About this address record

PropertyLabs compiled this permit history from municipal public records for Waterloo, ON. The latest recorded permit activity at 421 Rideau River St is dated Apr 13, 2026. Municipal records can be corrected or updated after publication.

Sources and data notes

Published by Waterloo, ON via Waterloo Open Data.
Municipal sources remain authoritative for permit status and details.
Coverage context: PropertyLabs Coverage Observatory and the permit-data methodology.
Address research workflow: how to check building permits for an address.
City research: Waterloo Building Permit Activity Through July 19, 2026.
Declared values may be applicant-reported and are not independently verified. See what declared construction value means.
Permit issuance does not confirm that construction has started.
Records may be delayed, revised, or incomplete relative to the municipal source.
Spot an error? Contact us with a correction.

Contractors and applicants associated with these permits

See the contractors, applicants, permit holders, permit numbers, and project documents associated with 421 Rideau River St in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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