thepermitmap

Type of work · 52 of 103 by permit count

Addition/Alteration to Existing Building permits in Toronto

The City of Toronto has 1,700 addition/alteration to existing building permits on record for Toronto, going back to 1985. Those permits created 1,029 homes and removed 10, a net change of +1,019. Declared construction value totals $395.2M. The most recent permit was issued Nov 1, 2018 at 538 Royal York Rd.

Permits on record
1,7001985–2018
Declared construction value
$395.2Mas filed, not adjusted
Homes created
1,029dwelling units
Homes removed
10net +1,019

Permits issued per year

20002018 (part year)

Most common work

  • Addition/Alteration to Existing Building1,700 · 100%

Structures worked on

  • SFD - Detached954 · 56%
  • SFD - Semi-Detached125 · 7%
  • Office63 · 4%
  • Multiple Unit Building60 · 4%
  • Mixed Comm/Res59 · 3%
  • Retail Store44 · 3%
  • Apartment Building32 · 2%
  • SFD Garages27 · 2%
  • SFD - Townhouse24 · 1%
  • Mixed Use/Res w Non Res24 · 1%
  • Restaurant Greater Than 30 Seats22 · 1%
  • Residential Porches20 · 1%

Most recent permits

Issued Address Work What was filed Value Status
Nov 1, 2018 538 Royal York Rd Addition/Alteration to Existing Building Rear 1 storey addition, basement entrance and deck to single family dwelling. HVAC Drawings to follow.ISSUED BUILDING PERMIT ON JULY 4/00 $28K Closed
Nov 21, 2014 29 Worthington Cres Addition/Alteration to Existing Building REVISION 04 - This Proposal is to remove illegal access staris to the third floor level (work was done without building permit). . OTC permit #01-184845. $1K Closed
Jun 16, 2008 150 King St W Addition/Alteration to Existing Building Interior alterations on concourse level, Bentall Real Estate services Closed
Dec 19, 2007 5 KING ST W Addition/Alteration to Existing Building Application for a Revision Permit for Alternative Solution as per City of Toronto letter. Open
Jul 19, 2007 1959 Queen St E Addition/Alteration to Existing Building make interior alterations, build three storey addition at rear - for restaurant(30seats) and dwelling (1 unit at 2nd and 3rd floors) building. $75K Closed
May 3, 2007 2145 Danforth Ave Addition/Alteration to Existing Building Revise plans as approved; create openings at front/rear with guards, extend chimney through second floor. Closed
Jan 29, 2007 225 Snowdon Ave Addition/Alteration to Existing Building Revise DWG's - Construct 2nd. floor addition, two storey rear addition and revised front elevation for an integral garage. Refer to C. of A decision of A0746/06NY. Open
Sep 20, 2006 187 Finch Ave W Addition/Alteration to Existing Building INTERIOR ALTERATION & CONSTRUCT A 2ND STOREY ADDITION FOR OFFICE USE. SEE UDSP-99-052. $200K Closed
May 9, 2006 17 Southview Ave Addition/Alteration to Existing Building Revise plans as previously approved by relocating stairs to third floor and enlarging addition; refer to C of A Decision. Open
Mar 16, 2006 607-617 THE EAST MALL Addition/Alteration to Existing Building Convert portion of parking lot to an outdoor basketball court, also revision to an existing garbage compound to residential complex. Closed
Oct 26, 2005 17 St Andrew St Addition/Alteration to Existing Building Revision to alter approved plans to change the layout of one of the dwelling units and block off window. Closed
Oct 24, 2005 570A Annette St Addition/Alteration to Existing Building Proposed addition of third floor to existing multi-use building (office/residential on ground floor, residential on second floor) Closed
Aug 18, 2005 85 Bentworth Ave Addition/Alteration to Existing Building make interior alterations by constructing 3 demising walls. $9K Closed
Jun 15, 2005 76 Redwood Ave Addition/Alteration to Existing Building Rebuild part of existing ground floor, level existing, interior alterations, demolish existing front porch & replace new Closed
Jun 6, 2005 40 Nugget Ave Addition/Alteration to Existing Building INTERIOR ALTERATIONS Closed
Jun 3, 2005 1157 Kipling Ave Addition/Alteration to Existing Building 2 Storey rear addition to SFD Closed
May 24, 2005 3400 Sheppard Ave E Addition/Alteration to Existing Building RAISING EXISTING CANOPY Closed
May 18, 2005 107 Boston Ave Addition/Alteration to Existing Building Proposed 2 storey addition (rear) and interior alteration to existing single family detached home. Underpinning to existing basement Closed
Feb 25, 2005 1 Clarendon Ave Addition/Alteration to Existing Building Alter plans as approved under file 00 - 153938 to add a new dwelling unit. Closed
Nov 4, 2004 191 Douglas Dr Addition/Alteration to Existing Building Alter plans as approved under file 99 - 118382 and 00-14113 by making structural alteration and altering window openings. Closed
Oct 19, 2004 2 Bloor St E Addition/Alteration to Existing Building Install encroaching canopy on east elevation. (8 park rd is convenience address) See in connection with BP00127974. (w23) $30K Closed
Sep 24, 2004 91 Cosburn Ave Addition/Alteration to Existing Building Revision to change layout of dining room and kitchen of apartments 1 & 2 Closed
Jul 6, 2004 51 Pine Ridge Dr Addition/Alteration to Existing Building FRONT ADDITION. NEW BASEMENT. BALCONY REVISION TO EXTEND DECK Closed
Jun 25, 2004 1 Yorkdale Rd Addition/Alteration to Existing Building install cellular antennas, shelter and associated trelecommunications equipment. Closed
Jun 14, 2004 9 Grenoble Dr Addition/Alteration to Existing Building AN ADDITION TO AN EXISTING SCHOOL BY COMBINING 16 PORTABLES PLUS SOME INTERIOR ALTERATIONS TO THE EXISTING SCHOOL. $1.5M Open
Jun 7, 2004 997B Lansdowne Ave Addition/Alteration to Existing Building construct 3 storey front addition, 2 storey rear addition, interior alterations Closed
Jun 4, 2004 279 Humberline Dr Addition/Alteration to Existing Building 6 Proposed silos & conc. pad to exist. manuf. bldg. $32K Closed
May 21, 2004 46 Lakeview Ave Addition/Alteration to Existing Building Revision to BP#00-160402-01 to change underpinning to bench type footing. REFER TO BP #00-160402 CMB $10K Closed
May 18, 2004 2044 Kipling Ave Addition/Alteration to Existing Building demolish and rebuild one canopy and erect one new canopy over existing pumps Closed
Mar 16, 2004 210 Poplar Plains Rd Addition/Alteration to Existing Building Interior alterations on ground floor, new walkouts on ground floor and second floor balcony's. Closed
Mar 2, 2004 40-50 ALEXANDER ST Addition/Alteration to Existing Building Make interior alterations to ground floor lobby to create management office; create opening to connect existing business office with new management office; make interior alterations to existing basement storage for new amenity room. Closed
Feb 25, 2004 24 Berl Ave Addition/Alteration to Existing Building Addition and porch/cold cellar to single family dwelling. HVAC Drawings to follow C of A: A308/97 ISSUED BUILDING ON PERMIT JULY 12/00 $7K Open
Feb 17, 2004 62 Ferrier Ave Addition/Alteration to Existing Building Widen rear door opening on existing house. Closed
Feb 11, 2004 1 Columbus Ave Addition/Alteration to Existing Building To construct a rooftop solarium addition to condo #402. SEE C.O.A DECISION. existing and proposed -residential Closed
Jan 16, 2004 235 Victor Ave Addition/Alteration to Existing Building Revision to interior wall layout at basement, grnd, and 2nd floor level. Build rear 2 storey and basement addition. See C of A Decision (1990). (w25) Closed
Jan 15, 2004 10 Northampton Dr Addition/Alteration to Existing Building Closed
Dec 31, 2003 21 Churchill Ave Addition/Alteration to Existing Building Conversion of an existing bungalow to a condominium sales centre. Interior alterations and a rear yard addition. Closed
Dec 31, 2003 80 Finch Ave E Addition/Alteration to Existing Building Interior alterations to chiropractic office Closed
Dec 30, 2003 4917 Dundas St W Addition/Alteration to Existing Building To construct a partial third storey addition and alterations to the existing second floor to create an enlarged residential unit, and alteration to mainfloor retail entrance Closed
Dec 19, 2003 214 King St E Addition/Alteration to Existing Building Alter plans as approved under 01 - 109138 by revising amenity space units 315 + 416 and minor M & E revisions.(see plans) Closed

The 40 most recent of 1,700 permits on record. Figures come from the City’s active and cleared permit datasets, refreshed daily — what that covers, and what it misses.

Source
City of Toronto Open Data
Dataset
Building permits, active + cleared
Records
1,700
City refresh
2026-09-12 10:24
Page built
2026-09-12
Sheet
WRK-705