Are there building permits at 91 Louisa Street, St. Catharines?

91 Louisa Street has 15 municipal building permits on record, with the latest activity dated Apr 23, 2026.

What construction activity is near 91 Louisa Street?

6 mapped permits were found within 500 m of 91 Louisa Street.

What is the declared permit value at 91 Louisa Street?

The public permit records for 91 Louisa Street do not currently include a usable total declared construction value.

Open map

PropertyLabsSt. CatharinesAddress intelligence

91 Louisa Street

Building permit intelligence · St. Catharines, ON

15 at this address6 nearby within 500 m

91 Louisa Street has 15 municipal building permits on file. The latest recorded activity was a plumbing only permit dated Apr 23, 2026. PropertyLabs also identified 6 mapped permits within 500 m of this address.

At this address: 15
Nearby (500 m): 6
Latest activity: Apr 23, 2026

Permit activity timeline

Plumbing OnlyPermit IssuedValue not reportedApr 23, 2026
Upgrade Water Line from 3/4' to 1'
Plumbing OnlyPermit IssuedValue not reportedApr 23, 2026
Upgrade Water Line from 3/4' to 1'
Plumbing OnlyPermit IssuedValue not reportedApr 23, 2026
Upgrade Water Line from 3/4' to 1'
Plumbing OnlyPermit IssuedValue not reportedApr 23, 2026
Upgrade Water Line from 3/4' to 1'
Plumbing OnlyPermit IssuedValue not reportedApr 23, 2026
Upgrade Water Line from 3/4' to 1'
Plumbing OnlyPermit IssuedValue not reportedApr 23, 2026
Upgrade Water Line from 3/4' to 1'

Development activity near 91 Louisa Street

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

Browse recent permits near this address

More permits on Louisa St

3 other addresses on Louisa St with municipal permit records in St. Catharines.

All Louisa St permits

91 Louisa Street in the St. Catharines permit market

This address has 15 permit records in PropertyLabs' public history. The city figures below provide context without changing the focus of this exact-address record.

Explore St. Catharines building permits

City address-linked rows: 20,271
City, trailing 90 days: 319
City, trailing 30 days: 421

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 91 Louisa Street

Are there building permits at this address?: 91 Louisa Street has 15 municipal building permits on record, with the latest activity dated Apr 23, 2026.
What construction activity is nearby?: 6 mapped permits were found within 500 m of 91 Louisa Street.
What is the declared permit value?: The public permit records for 91 Louisa Street do not currently include a usable total declared construction value.

About this address record

PropertyLabs compiled this permit history from municipal public records for St. Catharines, ON. The latest recorded permit activity at 91 Louisa Street is dated Apr 23, 2026. Municipal records can be corrected or updated after publication.

Sources and data notes

Published by St. Catharines, ON via Niagara 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: St. Catharines 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 91 Louisa Street in the PropertyLabs platform, along with alerts when new permits are filed at this address.

Unlock full permit details All St. Catharines permits