Toronto address · Ward 13, Toronto Centre
334 King St E
The City of Toronto has 33 building permits since 2017 (26 still open) on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Inspections under way
Plumbing
Plumbing - Proposal for interior alteration on the ground floor for an appliance showroom
Applied Jun 3, 2026 · issued Jul 9, 2026 · Permit 26 176999 PLB
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alteration on the ground floor for an appliance showroom
Applied Jun 3, 2026 · issued Jul 9, 2026 · Permit 26 176999 BLD
- Inspections under way
Heating and ventilation
HVAC - Proposal for interior alteration on the ground floor for an appliance showroom
Applied Jun 3, 2026 · issued Jul 9, 2026 · Permit 26 176999 HVA
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alteraitons for existing office building 4th floor
Applied Jul 30, 2020 · issued Sep 8, 2020 · Permit 20 174940 BLD
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alteraitons for existing office building 5th floor
Applied Jul 30, 2020 · issued Oct 5, 2020 · Permit 20 174955 HVA
- Permit issued
Heating and ventilation
HVAC - Proposal for interior alteraitons for existing office building 4th floor
Applied Jul 30, 2020 · issued Sep 8, 2020 · Permit 20 174940 HVA
- Permit issued
Addition or alteration · Interior alterations
Proposal for interior alterations in an existing office building on the 5th floor.
Applied Jul 30, 2020 · issued Oct 5, 2020 · Permit 20 174955 BLD
- Permit issued
Plumbing · Backflow prevention devices (Water only)
Proposal to install a backflow prevention device
Applied Nov 17, 2016 · issued Dec 19, 2016 · Permit 16 252438 PSA
- Closed
Heating and ventilation
HVAC - Interior alterations to existing office space on the 4th floor South. CONVENIENCE ADDRESS - 340 KING STREET EAST. Tenant - "Bruce Mau Design: Toronto".
Applied Sep 6, 2016 · issued Oct 6, 2016 · completed Mar 29, 2017 · Permit 16 218612 HVA
- Closed
Addition or alteration · Interior alterations
Interior alterations to existing office space on the 4th floor South. CONVENIENCE ADDRESS - 340 KING STREET EAST. Tenant - "Bruce Mau Design: Toronto".
Applied Sep 6, 2016 · issued Sep 15, 2016 · completed Mar 14, 2017 · Permit 16 218612 BLD
- Closed
Plumbing
Plumbing - Interior alterations to existing office space on the 4th floor South. CONVENIENCE ADDRESS - 340 KING STREET EAST. Tenant - "Bruce Mau Design: Toronto".
Applied Sep 6, 2016 · issued Oct 6, 2016 · completed Jan 18, 2017 · Permit 16 218612 PLB
- Inspections under way
Addition or alteration · Interior alterations
proposal for interior alterations to the 2nd floor (north and south) of exisitng office building
Applied Dec 14, 2012 · issued Dec 19, 2012 · Permit 12 293832 BLD
Show 21 more permits
- Inspections under way
Heating and ventilation
HVAC - proposal for interior alterations to the 2nd floor (north and south) of exisitng office building
Applied Dec 14, 2012 · issued Jan 17, 2013 · Permit 12 293832 HVA
- Revision issued
Addition or alteration · Multiple projects
Revision to remove exit signs from stairway (floors 2 to 5)
Applied Dec 14, 2012 · issued Apr 2, 2013 · Permit 06 154301 BLD (revision 02)
- Closed
Plumbing
Plumbing - Proposal for interior alteration to existing 3rd floor of office building " Platespin" (141.26m2)
Applied Nov 2, 2012 · issued Nov 19, 2012 · completed Mar 18, 2026 · Permit 12 272611 PLB
- Inspections under way
Addition or alteration · Interior alterations
Proposal for interior alterations for showroom office (no retail services) on main level of existing mixed-use non-residential building (100m2). Convenience address: 340 King Street East
Applied Aug 5, 2011 · issued Aug 25, 2011 · Permit 11 252225 BLD
- Closed
Plumbing
Plumbing - Proposal for interior alterations for showroom office (no retail services) on main level of existing mixed-use non-residential building (100m2). Convenience address: 340 King Street East
Applied Aug 5, 2011 · issued Aug 25, 2011 · completed Mar 18, 2026 · Permit 11 252225 PLB
- Inspections under way
Heating and ventilation
HVAC - Interior alterations to single corner office to existing office suite on 4th floor. Single Tenant Floor
Applied Apr 15, 2008 · issued Apr 21, 2008 · Permit 08 147258 HVA
- Inspections under way
Plumbing
Plumbing - Interior alterations to entire 2nd and 3rd floors in existing vacated floors. Note: Applicant claims seperate BLD Permit previously applied for includes new WC's. Single Tenant FloorsTotal Occupant Load on 2nd and third floors (single tenant): 188 males and 37 females. See attachments in PEC. Post sign.
Applied Feb 23, 2007 · issued Feb 23, 2007 · Permit 06 197567 PLB
- Revision issued
Fire and security upgrade · Fire alarm
revision to modify previous system - switch from flow switches to heat detectors - Install new fire alarm system throughout existing non-residential building.
Applied Feb 8, 2007 · issued Feb 21, 2007 · Permit 06 195855 FSU (revision 01)
- Revision issued
Heating and ventilation
revision to HVAC due to washroom layout - see 06 154301 re building permit revision - HVAC - Proposal to construct a new 1 sty lobby addtion, a 5 sty stair addition, and interior alterations to floors 2-5.
Applied Feb 8, 2007 · issued Feb 13, 2007 · Permit 06 154301 HVA (revision 02)
- Revision issued
Addition or alteration · Multiple projects
Revision to existing permit - revison to washroom layout on floors 2-5. Proposal to construct a new 1 sty lobby addtion, a 5 sty stair addition, and interior alterations to floors 2-5.
Applied Feb 8, 2007 · issued Feb 12, 2007 · Permit 06 154301 BLD (revision 01)
- Revision issued
Heating and ventilation
Revision to relocate units and split larger units into smaller units.
Applied Jan 10, 2007 · issued Jan 12, 2007 · Permit 06 154301 HVA (revision 01)
- Closed (dormant)
Heating and ventilation
HVAC - Interior alterations to entire 2nd and 3rd floors in existing vacated floors. Note: Applicant claims seperate BLD Permit previously applied for includes new WC's. Single Tenant Floors
Applied Dec 13, 2006 · issued Feb 13, 2007 · completed Jun 8, 2026 · Permit 06 197567 HVA
- Inspections under way
Addition or alteration · Interior alterations
Interior alterations to entire 2nd and 3rd floors in existing vacated floors. Note: Applicant claims seperate BLD Permit previously applied for includes new WC's. Single Tenant FloorsTotal Occupant Load on 2nd and third floors (single tenant): 188 males and 37 females. See attachments in PEC. Post sign.
Applied Dec 13, 2006 · issued Feb 13, 2007 · Permit 06 197567 BLD
- Inspections under way
Plumbing
Plumbing - iInterior alterations to existing office space - 2200m2 - floors 4 and 5
Applied Dec 11, 2006 · issued Dec 20, 2006 · Permit 06 197095 PLB
- Inspections under way
Addition or alteration · Interior alterations
iInterior alterations to existing office space - 2200m2 - floors 4 and 5
Applied Dec 11, 2006 · issued Dec 20, 2006 · Permit 06 197095 BLD
- Inspections under way
Heating and ventilation
HVAC - iInterior alterations to existing office space - 2200m2 - floors 4 and 5
Applied Dec 11, 2006 · issued Dec 22, 2006 · Permit 06 197095 HVA
- Inspections under way
Fire and security upgrade · Fire alarm
Install new fire alarm system throughout existing non-residential building.
Applied Dec 5, 2006 · issued Dec 13, 2006 · Permit 06 195855 FSU
- Inspections under way
Plumbing
Plumbing - Proposal to construct a new 1 sty lobby addtion, a 5 sty stair addition, and interior alterations to floors 2-5.
Applied Jul 10, 2006 · issued Oct 25, 2006 · Permit 06 154301 PLB
- Closed (dormant)
Heating and ventilation
HVAC - Proposal to construct a new 1 sty lobby addtion, a 5 sty stair addition, and interior alterations to floors 2-5.
Applied Jul 10, 2006 · issued Oct 25, 2006 · completed Jun 8, 2026 · Permit 06 154301 HVA
- Inspections under way
Addition or alteration · Multiple projects
Proposal to construct a new 1 sty lobby addtion, a 5 sty stair addition, and interior alterations to floors 2-5.
Applied Jul 7, 2006 · issued Oct 25, 2006 · Permit 06 154301 BLD
- Inspections under way
Addition or alteration · Other
To repair basement concrete slab on sidewalk.
Applied Sep 10, 2004 · issued Sep 15, 2004 · Permit 04 173115 BLD
Committee of Adjustment
No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.
What’s planned nearby
Development sites within 500 m
- Under review
29 storeys · 240 homes · Mixed use
120 m away · Site plan · Under review · filed Sep 16, 2022
- Submitted
20 storeys · 297 homes · Residential
150 m away · Site plan · Submitted · filed Apr 16, 2026
- Under appeal
130-134 Parliament Street and 529 Richmond Street East
46 storeys · 419 homes · Mixed use
170 m away · Site plan · Under appeal · filed Aug 14, 2023
- Under appeal
56-60 Berkeley Street and 296-300 King Street East
42 storeys · 449 homes · Mixed use
180 m away · Site plan · Under appeal · filed Aug 14, 2023
- Under review
50 storeys · 1,016 homes · Mixed use
200 m away · Rezoning · Under review · filed May 20, 2026
- Under review
494-526 Richmond Street East and 156-162 Parliament Street
588 homes · Residential
220 m away · Site plan · Under review · filed Jul 12, 2023
Neighbours’ Committee of Adjustment files within 250 m
550 Adelaide St E · Minor variance
To alter the development standards as approved under Site Specific Zoning By-law 1306-2023, by increasing the maximum residential gross floor area from 19,800 m² to 24,000 m², the total gross floor area (for residential and non-residential uses) from 21,000 m² to 25,000 m², and the building height from 29 storeys (93 m) to 37 storeys (116.25 m). Also, to reduce the minimum required first storey height from 4.5 m to 2.74 m to accommodate the previously approved mezzanine within the automotive dealership. There will be a total of 302 residential dwelling units on this lot. A Site Plan Control a…
100 m away · filed Aug 28, 2026 · Postponed
4 Gilead Pl · Consent
To obtain consent to sever the property into three lots, and to maintain the existing easement/right-of-way.
170 m away · filed Apr 2, 2026 · Approved
4 Gilead Pl · Minor variance
The existing undersized public parking lot will be maintained and unaltered.
170 m away · filed Apr 2, 2026 · Approved
4 Gilead Pl · Minor variance
The existing one-storey and two-storey commercial buildings (retail and daycare) will be maintained and unaltered.
170 m away · filed Apr 2, 2026 · Approved
14 Eastern Ave · Minor variance
To permit and construct a second storey rooftop outdoor patio to be used as a children's play area. The existing two-storey non-residential detached building is under renovation for a day nursery (child care facility) as approved by Building Permit #25 143317 BLD 00 BA.
210 m away · filed Jan 13, 2026 · Approved
49 Ontario St · Consent
To obtain consent to sever the property into two lots within a proposed 46- and 50-storey mixed-use development and to create new stratified easements/rights-of-way. Also to maintain existing easements/rights-of-way. The consent will facilitate the separation of the residential and non-residential components of the approved mixed-use development for ownership and business structuring purposes. The development (containing a total of 1,226 residential dwelling units of which 245 units will be affordable units) is approved under Site-Specific Zoning By-law 1299-2023.
250 m away · filed Aug 21, 2025 · Approved
49 Ontario St · Minor variance
To alter the development standards (as approved under Site Specific Zoning By-Law 1299-2023) for a mixed-use building (45 and 49-storeys), by increasing the total building height, the height of the podium, and mechanical penthouse vertical projections, equipment, structures and screening, and cladding encroachments of Building A. Also, to reduce the number of bicycle parking spaces and to alter the bicycle parking locations. A related Site Plan Approval application (under File Number 21 148154 STE 13 SA) is currently under review and consideration. There will be a total of 1,227 residential d…
250 m away · filed Jun 26, 2025 · Approved
48 Power St · Consent
To obtain consent to sever the property into three lots and to create various easements/rights-of-way.
130 m away · filed Feb 27, 2023 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.