Building permit intelligence · Waterloo, ON
71 William St W has 5 municipal building permits on file. The latest recorded activity was a residential building permit permit dated May 1, 2023. Permits at this address represent $500K–$1MM in total declared construction value. PropertyLabs also identified 40 mapped permits within 500 m of this address.
Basement finishes
New two storey semi-detached dwelling, unfinished basement w/ three piece rough-in.
Demolition of single detached dwelling to build semi-detached dwelling
Residential Building Permit
Residential Building
40 mapped permits within 500 m, shown on the intelligence map above.
12 other addresses on William St W with municipal permit records in Waterloo.
This address has 5 permit records in PropertyLabs' public history. The city figures below provide context without changing the focus of this exact-address record.
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.
PropertyLabs compiled this permit history from municipal public records for Waterloo, ON. The latest recorded permit activity at 71 William St W is dated May 1, 2023. Municipal records can be corrected or updated after publication.
See the contractors, applicants, permit holders, permit numbers, and project documents associated with 71 William St W in the PropertyLabs platform, along with alerts when new permits are filed at this address.
PRE · Feb 19, 2026