Are there building permits at 205 Mary St, Waterloo?

205 Mary St has 6 municipal building permits on record, with the latest activity dated Sep 12, 2025.

What construction activity is near 205 Mary St?

40 mapped permits were found within 500 m of 205 Mary St.

What is the declared permit value at 205 Mary St?

Permits recorded at 205 Mary St represent $100K–$500K in total declared construction value.

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PropertyLabsWaterlooAddress intelligence

205 Mary St

Building permit intelligence · Waterloo, ON

6 at this address40 nearby within 500 m

205 Mary St has 6 municipal building permits on file. The latest recorded activity was a new - residential building permit permit dated Sep 12, 2025. 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: 6
Nearby (500 m): 40
Latest activity: Sep 12, 2025
Total permitted value: $100K–$500K

Permit activity timeline

New - Residential Building PermitComplete$10K–$50KSep 12, 2025
New 4'x4' deck landing and stairs.
Residential Building PermitComplete$100K–$500KMay 8, 2024
Remove existing detached garage and add a new attached garage, mudroom and gym.
REComplete$10K–$50KOct 30, 2019
Residential Building Permit
REComplete$100K–$500KOct 15, 2018
Residential Building Permit
RDComplete$50K–$100KJul 23, 2001
Residential Building
RACompleteUnder $10KMay 25, 1999

Development activity near 205 Mary St

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

Browse recent permits near this address

More permits on Mary St

5 other addresses on Mary St with municipal permit records in Waterloo.

All Mary St permits

205 Mary St in the Waterloo permit market

This address has 6 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 205 Mary St

Are there building permits at this address?: 205 Mary St has 6 municipal building permits on record, with the latest activity dated Sep 12, 2025.
What construction activity is nearby?: 40 mapped permits were found within 500 m of 205 Mary St.
What is the declared permit value?: Permits recorded at 205 Mary 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 205 Mary St is dated Sep 12, 2025. 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 205 Mary St in the PropertyLabs platform, along with alerts when new permits are filed at this address.

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