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CanPermits · property records report · canpermits.com/address/343-preston-st-ottawa

343 Preston St

City of Ottawa

31 permits
since 2012: May 22, 2026
Most recent permit

Building permit timeline

Year-grouped permit history. Permits collapse under each year.

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

2023

2024

2025

2026

2026
3 filings · most recent May 2026
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1. May 22, 2026
  
  Interior alterations on the 5th and 8th floors of an 11 storey office building $6.8M
2. Apr 29, 2026
  
  Tenant fit up to the 5th floor of an 11 storey office building $50K
3. Mar 3, 2026
  
  Interior alterations on the 6th floor of an 11 storey building (Adobe) $300K
2025
1 filing
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1. Nov 12, 2025
  
  Interior fit up on the 2nd floor of an 11 storey office building (Suite 220) $417K
2024
2 filings
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1. Oct 3, 2024
  
  Tenant fit up on the ground floor of an 11 storey office building $85K
2. Jun 26, 2024
  
  Interior alterations to the 1st floor of a 11 storey office building. Subdivi... $192K
  
  MEL HETHERINGTON GENERAL CONSTRUCTION
2022
3 filings
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1. May 25, 2022
  
  Interior alterations in the garage of an 11 storey office building (Repair an... $100K
2. May 13, 2022
  
  Interior alterations on the 4th floor of an 11-storey office building $100K
3. Apr 14, 2022
  
  PLUMBING ONLY: Install a premise isolation backflow prevention device on the... $10K
2021
1 filing
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1. Nov 3, 2021
  
  Tenant fit-up on the 9 and 10th floor of an 11 storey office building $4.0M

View 8 earlier years

2020
2 filings
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1. Nov 16, 2020
  
  Tenant fit up on the 3rd floor of an 11 storey office building (Suite # 330,... $180K
2. Mar 6, 2020
  
  Interior alterations to the 2nd floor of an 11 storey office building (Pomerl... $400K
2019
1 filing
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1. Apr 18, 2019
  
  Interior alterations on the 5th floor of an 11 storey office building ( Econo... $105K
2018
3 filings
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1. Nov 29, 2018
  
  Interior alterations to the 2nd floor of an 11 storey office building (Pomerl... $180K
  
  POMERLEAU
2. Jul 3, 2018
  
  Interior alterations to the 4th floor of an 11 storey office building $352K
  
  INNOVATIVE CONSTRUCTION INC
3. Apr 16, 2018
  
  Construction of a demising wall to separate 1 suite into 2 office suites. Sco... $270K
  
  SOURCE FOUR CONSTRUCTION LTD
2017
3 filings
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1. Oct 18, 2017
  
  Separate 1 office suite into 2 suites. Office fit-up of both suites on the 3r... $191K
2. Mar 2, 2017
  
  Interior alterations to the 6th and 7th floors of a 11 storey office building... $800K
3. Feb 8, 2017
  
  Interior alterations to the 4th floor of a 11 storey office building (Suite 5... $210K
  
  BARBICAN CONSTRUCTION LTD
2016
2 filings
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1. Sep 22, 2016
  
  Interior alterations to the 2nd floor of a 11 storey office building (Suite 2... $60K
  
  POMERLEAU INC
2. Aug 22, 2016
  
  Interior alterations on the 3rd floor of a 11 storey office building (Unit#33... $35K
  
  SPACEWERX corporation
2015
2 filings
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1. Mar 2, 2015
  
  Interior alterations on the 4th floor of a 11 storey office building (Unit#42... $135K
  
  INNOVATIVE CONSTRUCTION INC
2. Jan 22, 2015
  
  Interior alterations on the 2nd floor of a 12 storey office building (Unit 20... $75K
2014
3 filings
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1. Dec 29, 2014
  
  Base building work to demise office suite on 4th floor into 2 suites. (Econom... $50K
  
  BARBICAN CONSTRUCTION LTD. (DON WIGHT)
2. May 6, 2014
  
  Interior alterations to the 3rd floor of an 11 storey office building (Presto... $122K
  
  BARBICAN CONSTRUCTION LTD. (DON WIGHT)
3. Jan 8, 2014
  
  Tenant fit up on the 10th floor (single tenant floor) of a 12 storey office b... $829K
2012
5 filings
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1. Dec 17, 2012
  
  Tenant fit-up on the 11th floor of a 12 storey office building (Regus) $621K
2. Oct 24, 2012
  
  Interior alterations on the 4th and 5th floor of a 12 storey office building $105K
  
  SPACEFORM CONSTRUCTORS INCORPORATED
3. Oct 15, 2012
  
  Tenant fit up on the 4th floor of a 12 storey office building (Akamai Technol... $300K
4. Jul 4, 2012
  
  Tenant Fit-Up in a 12 storey office building - (Medical Clinic, Suite 200) $130K
  
  PREMIERE CONSTRUCTION LTD
5. Mar 12, 2012
  
  Interior alterations on the 6th floor of a 12 storey building $57K
  
  SPACEWERX CONSTRUCTION

Active contractors at this address

Contractors who have filed permits at this address.

Nearby Construction

Within 250 m

Active and recent construction within 250 m of this address.

13 locations shown

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1

333 Preston St

Renovation ×6

79 m
2

17 Aberdeen St

Renovation

80 m
3

357 Preston

Development Permits

120 m
4

2 addresses at this point

New Build ×2 Demolition

166 m
5

412 Preston St

Renovation

176 m
6

50 Beech St

Renovation

197 m
7

70 Beech

Development Permits ×2

198 m
8

70 Beech St

Renovation

201 m
9

80 Aberdeen St

Renovation

205 m
10

300 Rochester St

Renovation

216 m
11

422 / Preston St

Renovation

231 m
12

95 Beech St

Renovation ×2

232 m
13

90 Beech St

Renovation

243 m

New Build

Renovation

Demolition

Development Permits

Construction activity detected within 250 m, from the City of City of Ottawa's open data. Each pin is a City-geocoded point (which may hold more than one record/address); click for details. Open data · City of Ottawa

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343 Preston St in Ottawa has 31 building permits on record dating back to 2012, most recently on May 22, 2026.