{"title":"RT-1 zone in Coquitlam: Infill Residential","code":"RT-1","slug":"rt-1","name":"Infill Residential","group":"Residential","section":"2206","site_specific_zone":false,"summary":"Ground-oriented infill residential uses in developments of up to a maximum of four principal dwelling units per lot.","fields":{"purpose":{"value":"Ground-oriented infill residential uses in developments of up to a maximum of four principal dwelling units per lot.","quotes":["This zone provides for ground-oriented infill residential uses in developments","comprised of up to a maximum of four principal dwelling units per lot."]},"primary_uses":{"value":["One-family residential","Duplex residential","Triplex residential","Fourplex residential"],"note":"Duplex, triplex and fourplex need a street (and lane) at full required width; triplex and fourplex (and garden cottage and carriage house) only on lots designated Neighbourhood Attached Residential and Baycrest Low Density Residential in the Partington Creek Neighbourhood Plan.","quotes":["(i) One-family residential","(ii) Duplex residential, as limited under Sub-section (3)(a)","(iii) Triplex residential, as limited under Sub-sections (3)(a) and (3)(c)","(iv) Fourplex residential, as limited under Sub-sections (3)(a) and (3)(c)"]},"secondary_uses":{"value":["Boarding","Secondary suite","Carriage house","Garden cottage","Accessory residential","Accessory home occupation","Accessory institutional support services"],"quotes":["(a) Boarding, as limited under Section 508(1)","(b) Secondary suite, as limited under Section 2202(2)","(c) Carriage house, as limited under Sub-sections (3)(b), 3)(c), (4)(g) and (9)(a)","(d) Garden cottage, as limited under Sub-sections (3)(b), (3)(c), (4)(g) and (9)(b)","(e) Accessory residential","(f) Accessory home occupation, as limited under Section 508(3)","(g) Accessory institutional support services"]},"min_parcel_area":{"value":"One-family: 650 m2 (or 555 m2 where created from a lot of 1,100 to 1,951 m2 that existed before February 19, 1996; 370 m2 on lots designated Neighbourhood Attached Residential). Duplex: 740 m2 (465 m2 on Neighbourhood Attached Residential lots). Triplex: 650 m2. Fourplex: 740 m2","quotes":["(i) is not permitted on a lot having an area less than 650 m2; or","(ii) is not permitted on a lot having an area less than 555 m2 where the lot was","(i) is not permitted on a lot having an area less than 370 m2; and","(i) is not permitted on a lot having an area less than 740 m2; and","(i) is not permitted on a lot having an area less than 465 m2; and","(i) is not permitted on a lot having an area less than 650 m2; and"]},"min_parcel_width":{"value":"One-family: 13.5 metres (lot depth 22.7 metres); on Neighbourhood Attached Residential lots 10 metres with an accessible lane, 12 metres without a lane or at an exterior corner. Duplex: depth 22.7 metres (Neighbourhood Attached Residential: same widths as one-family). Triplex: 18.5 metres. Fourplex: 20 metres","quotes":["(iii) must have a minimum lot width of 13.5 metres; and","(iv) must have a minimum lot depth is 22.7 metres.","(ii.i) 10 metres for a lot with an accessible lane;","(ii.ii) 12 metres for a lot without an accessible lane;","(ii.iii) 12 metres for a lot with an exterior lot corner; or","(ii) must have a minimum lot depth of 22.7 metres.","(ii) must have a minimum lot width of 18.5 metres.","(ii) must have a minimum lot width of 20 metres."]},"max_parcel_coverage":{"value":"50%","quotes":["All buildings and structures together must not exceed a lot coverage of 50%."]},"max_density":{"value":"Floor area (all buildings and structures): one-family 0.5 times the lot area (0.6 with a secondary suite, carriage house or garden cottage on lots 370 to 465 m2, or with a carriage house or garden cottage on larger lots, if street/lane conditions are met), plus up to 40 m2 for accessory parking; duplex 0.65 times the lot area; triplex or fourplex 0.75 times the lot area. Carriage house or garden cottage: 90 m2 or the principal building floor area, whichever is less","quotes":["must not exceed a floor area of 0.5 times the lot","465 m2 must not exceed a floor area of 0.5 times the lot area, except that the floor","(c) The floor area permitted in (a) and (b) above may be increased by up to 40 m2 for","for duplex residential use must not exceed a floor","(d) All buildings and structures, including those for accessory off-street parking uses","must not exceed a floor area of 0.75 times the lot area, except that where","90 m2 or the total floor area of the principal building, whichever is less."]},"max_height":{"value":"One-family: 7.3 m, or 11.0 m for roofs with a pitch of 3 in 12 or greater over at least 80% of roof surfaces. Duplex, triplex, fourplex: 9.5 m, or 11.0 m with the same roof pitch","quotes":["(i) 7.3 metres; or","(i) 9.5 metres; or","(ii) 11.0 metres for buildings and structures having a roof slope with a pitch of 3 in"]},"max_height_accessory":{"value":"Carriage house: 5.0 m, or 7.0 m with a roof pitch of 3 in 12 or greater over at least 80% of roof surfaces. Garden cottage and other detached accessory buildings: 3.7 m, or 4.6 m with a roof pitch of 4 in 12 or greater over at least 80% of roof surfaces","quotes":["(i) 5.0 metres; or","(ii) 7.0 metres for buildings and structures having a roof slope with a pitch of 3 in","(i) 3.7 metres; or","(ii) 4.6 metres, for an accessory building that has a roof with a pitch of 4 in 12 or"]},"setback_front":{"value":"7.6 m (lots not designated Neighbourhood Attached Residential); 5.5 m (Neighbourhood Attached Residential lots)","quotes":["7.6 7.6 1.8 3.8","5.5 6.0 1.2 3.0"]},"setback_rear":{"value":"7.6 m (lots not designated Neighbourhood Attached Residential); 6.0 m (Neighbourhood Attached Residential lots)","quotes":["7.6 7.6 1.8 3.8","5.5 6.0 1.2 3.0"]},"setback_side_interior":{"value":"1.8 m (lots not designated Neighbourhood Attached Residential); 1.2 m (Neighbourhood Attached Residential lots)","quotes":["7.6 7.6 1.8 3.8","5.5 6.0 1.2 3.0"]},"setback_side_exterior":{"value":"3.8 m (lots not designated Neighbourhood Attached Residential); 3.0 m (Neighbourhood Attached Residential lots)","quotes":["7.6 7.6 1.8 3.8","5.5 6.0 1.2 3.0"]},"accessory_setbacks":{"value":"Detached accessory buildings sited 1.6 m or more from the house must be in the rear yard: rear 1.2 m, interior side 1.2 m, exterior side 3.8 m (3.0 m on Neighbourhood Attached Residential lots); on Neighbourhood Attached Residential lots less than 11 metres wide, detached parking buildings, carriage houses and garden cottages: rear 1.2 m, interior side 0.9 m, exterior side 3.0 m; accessory buildings attached to or closer than 1.6 m to the house follow the house setbacks","quotes":["1.2 1.2 3.8","1.2 1.2 3.0","1.2 0.9 3.0","(c) All detached accessory residential and detached accessory off-street parking"]},"other":{"value":["Detached accessory buildings must be in the rear yard; a minimum 6.0 m separation from the principal building applies on Neighbourhood Attached Residential lots","Maximum wall length of a detached accessory building is 11 metres, and a detached parking building may not have more than three parking spaces","Each duplex, triplex or fourplex dwelling unit needs private or common outdoor space of not less than 37 m2 per unit and indoor storage of not less than 3.3 m2","No more than one principal building per lot"],"quotes":["(c) A minimum separation distance of 6.0 metres measured from any wall face must","(b) The maximum length of any wall of a detached building or structure for an","accessory residential use and an accessory off-street parking use is 11 metres.","contain more than three parking spaces.","that have a total area not less than 37 m2 per dwelling unit.","enclosed storage area of not less than 3.3 m2, being:","No more than one principal building is permitted per lot."]}},"bylaw":{"title":"Zoning Bylaw No. 3000, 1996 (consolidated with amending bylaws, updated July 27, 2026)","url":"https://www.coquitlam.ca/562/Zoning-Bylaw","accessed":"2026-11-07","note":"The City says this consolidated copy is for convenience only and is not an official copy. It is published as separate PDFs per part (Parts 1-22); no zone parts exist for 9, 11 and 14. Schedule A (zoning maps) points to QtheMap."},"source_url":"https://www.coquitlam.ca/DocumentCenter/View/15229/Part-22-Legacy-Zones-PDF--RS-1-RS-3-RS-4-RT-1-RT-3-and-RM-3-to-RM-6-Zones#page=17","place":{"path":"ca/bc/coquitlam","name":"Coquitlam","region":{"code":"bc","name":"British Columbia"},"country":{"code":"ca","name":"Canada"}},"urls":{"html":"https://govhandbook.com/ca/bc/coquitlam/zoning/rt-1/","markdown":"https://govhandbook.com/ca/bc/coquitlam/zoning/rt-1.md","json":"https://govhandbook.com/ca/bc/coquitlam/zoning/rt-1.json","index":"https://govhandbook.com/ca/bc/coquitlam/zoning/index.json"}}