Are there building permits at 66 William St W, Waterloo?

66 William St W has 3 municipal building permits on record, with the latest activity dated Mar 24, 2023.

What construction activity is near 66 William St W?

40 mapped permits were found within 500 m of 66 William St W.

What is the declared permit value at 66 William St W?

Permits recorded at 66 William St W represent $100K–$500K in total declared construction value.

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PropertyLabsWaterlooAddress intelligence

66 William St W

Building permit intelligence · Waterloo, ON

3 at this address40 nearby within 500 m

66 William St W has 3 municipal building permits on file. The latest recorded activity was a re permit dated Mar 24, 2023. Permits at this address represent $100K–$500K in total declared construction value. PropertyLabs also identified 40 mapped permits within 500 m of this address.

At this address: 3
Nearby (500 m): 40
Latest activity: Mar 24, 2023
Total permitted value: $100K–$500K

Permit activity timeline

REComplete$50K–$100KMar 24, 2023
Residential Building Permit
Residential Building PermitComplete$50K–$100KMar 24, 2023
Interior alterations to a single detached dwelling - removing walls and installing beams, converting attic space to a bedroom.
Residential Building PermitIssuedUnder $10KMar 23, 2023
Rear yard deck

Development activity near 66 William St W

40 mapped permits within 500 m, shown on the intelligence map above.

Browse recent permits near this address

More permits on William St W

12 other addresses on William St W with municipal permit records in Waterloo.

All William St W permits

66 William St W in the Waterloo permit market

This address has 3 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: 33,259
City, trailing 90 days: 266
City, trailing 30 days: 101

City coverage counts address-linked rows and does not add overlapping canonical tables. Rolling windows are inclusive, use UTC boundaries, and end Jul 31, 2026.

Permit questions about 66 William St W

Are there building permits at this address?: 66 William St W has 3 municipal building permits on record, with the latest activity dated Mar 24, 2023.
What construction activity is nearby?: 40 mapped permits were found within 500 m of 66 William St W.
What is the declared permit value?: Permits recorded at 66 William St W 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 66 William St W is dated Mar 24, 2023. 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 66 William St W in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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