18 THOMAS ST was designated as a heritage property. The property was described as this large double georgian house has a simple symmetrical layout and elegant detailing. Holly Koponen Consulting Inc. was federally incorporated in 2025, at 18 Thomas St directed by HOLLY KOPONEN. A 311 request about trees & woodlands (forestry) was created in 2020. A residential - alteration/repair or alteration/finish to an existing building permit was filed in 2025 interior alteration on main floor of a house to add two windows in living room and an additional window on second floor bedroom facing front street in a heritage building, house, no interior room layout changes are proposed, all other existing floors to remain as existing, for a value of $30,000. An excavation permit was issue in 2023 region of halton, emergency road cut, waste wate, initiated by Halton Region. 18 Thomas Street locates in Oakville.
Address Information
| Full Address | 18 Thomas Street, Oakville, ON |
|---|---|
| Street Number | 18 |
| Street Number Suffix List | - |
| Street Name | THOMAS Street |
| Street Type | Street |
| Street Direction | - |
| Street Number Range | From 18 To 139 (Totally 33) |
| Neighbourhood | - |
| Ward | - |
| School Division | - |
| Locality | Oakville |
| Postal Code | - |
| Administrative Area | Halton Regional Municipality Ontario |
| Unit List | - |
Heritage Properties
18 Thomas St is a heritage property listed in the Oakville Heritage Register.
Description: This large double Georgian house has a simple symmetrical layout and elegant detailing.
Property Information
| Full Address | 18 THOMAS ST |
|---|---|
| Alias | - |
| Street Number | 18 |
| Street Number Suffx | - |
| Street Name | THOMAS ST |
| Unit Number | - |
| Owner Name | - |
| Owner Address | - |
| ByLaw | 1981-144 |
| Designation Year | - |
| Built Year | - |
| Status | Part V |
Federal Corporations
Holly Koponen Consulting Inc. (Corporation #17162928) was incorporated on July 16, 2025 with Corporations Canada.The registered office location is at 18 Thomas St, Oakville, ON L6J 2Z8. Corporate directors include HOLLY KOPONEN.
Corporation Information
| ID | 17162928 |
|---|---|
| Business Number | 783537434 |
| Current Name | Holly Koponen Consulting Inc. |
| Other Name | - |
| Care Of | - |
| Address | 18 Thomas St Oakville ON L6J 2Z8 |
| Status | Active |
| Act | - |
| Incorporation Date | 2025-07-16 |
| Dissolution Date | - |
| Director Limits | 1-10 |
Directors
| Director Name | Director Address |
|---|---|
| HOLLY KOPONEN | 18 Thomas St, Oakville ON L6J 2Z8, Canada |
Service Requests
A service request (Case# 00206044) for 18 Thomas St was received by ServiceOakville on June 9, 2020. The request category is Forestry - Tree Pruning. The case type is Trees & Woodlands.
Service Request Information
| Case Number | 00206044 |
|---|---|
| Full Address | 18 THOMAS ST |
| Unit Number | - |
| Category | Forestry |
| Sub Category | Tree Pruning |
| Case Type | Trees & Woodlands |
| Created Date | 2020-06-09 |
| Status | Closed |
| Ward | 3 |
Service Request History
| Case# | Unit# | Category | Sub Category | Case Type | Created Date | Status |
|---|---|---|---|---|---|---|
| 00206044 | - | Forestry | Tree Pruning | Trees & Woodlands | 2020-06-09 | Closed |
| 00005840 | - | Forestry | Tree Pruning | Trees & Woodlands | 2017-11-13 | Closed |
Other Records
Case#: 00005840 Category: Forestry Sub Category: Tree Pruning Case Type: Trees & Woodlands Created: 2017-11-13 Status: Closed |
Building Permits
Permit# 25 116154 is a building permit for 18 Thomas Street issued on August 19, 2025. The description of the permit is Interior alteration on main floor of a house to add two windows in living room and an additional window on second floor bedroom facing Front street in a heritage building (house). No interior room layout changes are proposed. All other existing floors to remain as existing..
Permit Information
| Folder Number | 2025 116154 000 00 BDP |
|---|---|
| Permit Number | 25 116154 |
| Permit Type | Residential - Alteration/repair OR Alteration/finish to an existing building |
| Building Type | House - Part 3 - Town House Row |
| Work Type | Alteration/repair OR Alteration/finish to an existing building |
| Folder RSN | 928240 |
| Folder Type | BDP |
| Folder Year | 2025 |
| Folder Section | 000 |
| Issue Date | 2025-08-19 |
| Status | Issued |
| Status Group | Permit Issued |
| In Date | 2025-06-24 |
| Issue Date | 2025-08-19 |
| Construction Start Date | - |
| Full Address | 18 Thomas Street |
| Folder Property Unit | - |
| Property RSN | 25291 |
| Property Roll | 2401030030113000000 |
| Prop GIS ID | 247790116 |
| Dwelling Units Created | - |
| Floor Area | - |
| Floor Area Accessory Unit | 5 |
| Floor Area Basements Alterations | - |
| Infill Lot | - |
| Units Demolished | - |
| Construction Value | $30,000 |
| Inspection Area | - |
| Permit Description | Interior alteration on main floor of a house to add two windows in living room and an additional window on second floor bedroom facing Front street in a heritage building (house). No interior room layout changes are proposed. All other existing floors to remain as existing. |
| Bill124 Building Class | 10 Days - Residential Add/Reno/Demo |
| Bill124 In Date | 2025-07-17 |
| Bill124 Out Date | 2025-08-07 |
| Days To Close | 41 |
| Adjusted Work Type | Renovation & Repair |
| Intake Year | 2025 |
| Related Parcel | Yes |
| Ward | 3 |
| Site Folder RSN | - |
| Sub Folder RSN | - |
| Phrase Folder RSN | - |
| Storeys | - |
| Calculated Type | - |
| Start Year | - |
| Issue Year | 2025 |
Excavation Permits
Permit# 23 104868 DENG is a street occupation permit issued for 18 Thomas St on February 27, 2023. The permit was initiated by Halton Region. The description of the permit is Region of Halton - Emergency Road Cut - waste wate.
Permit Information
| Permit Number | 23 104868 DENG |
|---|---|
| Permit Date | 2023-02-27 |
| Permit Status | Issued |
| Full Address | 18 Thomas St |
| Initiated By | Halton Region |
| Company Name | Region of Halton |
| Critical | Yes |
| Permit Description | Region of Halton - Emergency Road Cut - waste wate |