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CanPermits · property records report · canpermits.com/address/280-slater-st-ottawa

280 Slater St

City of Ottawa

23 permits
since 2012: Feb 10, 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
1 filing · most recent February 2026
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1. Feb 10, 2026
  
  Interior alterations to the ground floor of an 18 storey office building (Tur... $206K
2024
3 filings
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1. Nov 21, 2024
  
  Interior alterations on the 11th floor of an 18 storey office building $746K
2. Oct 7, 2024
  
  Tenant fit-up to construct a universal washroom on the 15th floor of an 18 st... $637K
3. Jun 13, 2024
  
  Exterior and interior alterations to a 18 storey office building (Installatio... $69K
  
  T & M ELECTRICAL LIMITED
2023
4 filings
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1. Sep 1, 2023
  
  Tenant fit-up on the 17th and the entire office floor plate on the 18th. $2.2M
2. Aug 1, 2023
  
  Interior alterations to an 18 storey office building (2nd and 12th floor) $1.2M
3. Jan 20, 2023
  
  Interior alterations on the 6th to 11th floors of an 18 storey office building $1.6M
4. Jan 10, 2023
  
  Interior alterations on the 5th floor of an 18 storey office building $235K
2022
2 filings
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1. Sep 13, 2022
  
  Interior alterations on the 16th floor of an 18 storey office building (CNSC... $54K
2. Jul 14, 2022
  
  Interior alterations to an 18 storey office building (Backflow preventer, hum... $183K
2019
1 filing
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1. Jan 25, 2019
  
  Interior alterations on the ground floor of an 18 storey office building (CNSC) $199K
  
  ROJO CONSTRUCTION MANAGEMENT INC

View 5 earlier years

2017
2 filings
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1. Nov 14, 2017
  
  Interior alterations on the 4th and 6th floor of an 18 storey office building $237K
  
  JP GRAVEL CONSTRUCTION INC
2. Feb 17, 2017
  
  Interior alterations on the 5th floor of a 18 storey office building (PSPC/CN... $379K
  
  C. GIAMBERARDINO CONTRACTING INC
2016
2 filings
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1. Nov 2, 2016
  
  Interior alterations on the 3rd floor of a 18 storey office building (Nuclear... $397K
2. Feb 22, 2016
  
  Interior alterations on the 3rd floor of a 16 storey office building (PWGSC/C... $250K
  
  BASSI CONSTRUCTION LTD
2014
2 filings
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1. Dec 29, 2014
  
  Install automatic door operators to doors $163K
  
  D.E. HEAD CONSTRUCTION INC
2. Nov 10, 2014
  
  Interior alterations to replace non-emergency power generator riser and fuel... $699K
  
  JP GRAVEL CONSTRUCTION INC
2013
4 filings
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1. Dec 13, 2013
  
  Fit-up on the 14th floor of a 14 storey building (Nuclear Energy) $25K
  
  FJ CONSTRUCTION
2. Feb 5, 2013
  
  Tenant fit up on the 16th floor of a 16 storey office building (CNSC Canadian... $50K
3. Jan 21, 2013
  
  Interior alterations on the 5th & 6th floors of a 18 storey office building $97K
4. Jan 21, 2013
  
  Interior alterations on the 2nd floor of a 18 storey office building $549K
2012
2 filings
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1. Oct 15, 2012
  
  Interior alterations from P4 to the 14th floor of an 18 storey office building $79K
  
  DE HEAD CONSTRUCTION INC
2. Feb 21, 2012
  
  Interior alterations on the 6th floor of a 18 storey office building $158K
  
  CASSIDY CONSTRUCTION

Active contractors at this address

Contractors who have filed permits at this address.

Nearby Development

Within 250 m

Active and recent development within 250 m of this address.

33 locations shown

Sort

1

333 Laurier Ave Ouest/West

Renovation ×3

53 m
2

300 Slater St

Renovation

63 m
3

365 Laurier Ave Ouest/West

Renovation ×2

80 m
4

340 Laurier Avenue W

Renovation ×3

101 m
5

250 Albert St

Renovation

101 m
6

149 Bank St

Renovation

107 m
7

153 Bank St

Renovation

109 m
8

222 Slater St

Renovation

121 m
9

157 Bank St

Renovation

122 m
10

475 Laurier Ave Ouest/West

Renovation

122 m
11

117 Bank St

Renovation

127 m
12

180 Kent St

Renovation

134 m
13

255 Albert St

Renovation ×3

135 m
14

215 Slater St

Renovation

138 m
15

109 Bank St

Renovation

141 m
16

186 Bank St

Renovation

152 m
17

269 Laurier Ave Ouest/West

Renovation

168 m
18

222 Queen St

Renovation ×3

175 m
19

210 Gloucester St

Renovation

176 m
20

230 Gloucester St

Renovation

178 m
21

344 Slater St

Renovation

183 m
22

200 Kent St

Renovation ×3

187 m
23

112 Kent St

Renovation ×3

197 m
24

99 Bank St

Renovation ×5

199 m
25

350 Albert St

Renovation ×12

205 m
26

360 Albert St

Renovation ×6

206 m
27

3 addresses at this point

New Build Renovation ×2

207 m
28

427 Laurier Ave Ouest/West

Renovation ×2

212 m
29

170 Slater St

Renovation

212 m
30

665 Albert St

New Build

213 m
31

240 Sparks St

Renovation

227 m
32

170 Gloucester St

Renovation ×2

229 m
33

320 Queen St

Renovation ×2

232 m

New Build

Renovation

Development 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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280 Slater St in Ottawa has 23 building permits on record dating back to 2012, most recently on February 10, 2026.