Building and renovating in Oshawa

You can now apply for building permits, check the status of applications and pay fees through our Application Portal.

Call 905-436-3311 and ask for your Building Inspector by name or enter their extension number.

Email: service@oshawa.ca

Schedule ‘B’ to By-law 33-2009 Part “A” Fees Payable for Permits (Effective January 1, 2026)

due to record breaking volume of applications, we cannot guarantee review timeframes will be met.

a house where no dwelling unit is located above another dwelling unit.

House, Accessory building for human habitation $15.56 / sq. m.

House, Accessory building for human habitation $15.56 / sq. m.

House, Finishing Basement (Existing or New House) $7.79 / sq. m.

House, Finishing Basement (Existing or New House) $7.79 / sq. m.

House, Accessory building for human habitation $15.56 / sq. m.

Accessory Structure - Residential (e.g., detached garage, carport, shed, etc.) $4.83 / sq. m.

Deck, Porch, Ramp, Balcony per storey, Walk-up Stair $160 flat fee each

A minimum fee of $160 shall be charged unless the fee is a larger amount.

House $27 flat fee / fixture

The permit fee for construction not provided for in this Schedule shall be calculated at 1.12% of estimated construction value.

Window or Door Replacement $9.65 / metre of window/door width

Surcharge of 50% of permit fee when construction has begun and no permit application has been received.

$32.11 for each 100 square metres of floor area or part thereof

City of Oshawa $40,720

Total of All Charges $76,227

Public School $4,349 ... Separate School $3,186

TOTAL for each unit $130,682

Residential Development Charges may be deferred to occupancy.

Lands wholly within that part of Oshawa partially known as the Core Area of the Downtown Oshawa Urban Growth

does not satisfy the requirements of subsection (2) if the only effect of the action is to permit the enlargement of an existing residential unit

shall be paid in full on the earlier of, (a) the day a permit is issued under the Building Code Act, 1992 authorizing occupation of the building; and (b) the day the building is first occupied.

Zoning By-law 60-94, as amended, is the City's current zoning by-law.

Maximum Lot Coverage (%)1 40 40 40 40 40 20 10 20

Maximum Height (m) 9.0 9.0 9.0 9.0 9.0 10.5 10.5 10.5

$856

You are permitted a maximum of 3 residential dwelling units on your lot, of which, a maximum of 1 accessory unit may be in an accessory building on the property.

Ten percent (10%) of the lot area; however, in no case shall any individual accessory building exceed a lot coverage of eight percent (8%);

You are permitted a maximum of 3 residential dwelling units on your lot, of which, a maximum of 1 accessory unit may be in an accessory building on the property.

Ten percent (10%) of the lot area; however, in no case shall any individual accessory building exceed a lot coverage of eight percent (8%);

An accessory building containing an accessory apartment shall be setback a minimum of 7.0m from the outer limit of any gas or oil pipeline corridor.

One (1) additional parking space is required for each accessory dwelling

When you construct an accessory apartment through the building permit process, you will receive a two-unit house registration.

three residential units in a detached house, semi-detached house or rowhouse on a parcel of urban residential land, if no building or structure ancillary to the detached house, semi-detached house or rowhouse contains any residential units

contact the Central Lake Ontario Conservation Authority (C.L.O.C.A.)

Where construction is in a fill regulated area or flood plain or may interfere with a watercourse

Minor Permit B $535

“transition date” means February 1, 2027 or such later date as may be prescribed by the regulations

You will need clearance from the Oshawa Executive Airport before a building permit is issued.

located in a R1, R2, R3, R5, OSR-A, OS-ORM, AG-A, AG-B or AG-ORM Zone

Over 40 properties also have Ontario Heritage Act designation for their cultural heritage value or interest.

City of Oshawa's first Heritage Conservation District, designated in 2021.

Date Certificate was Issued

Date Certificate was Issued

Date Certificate was Issued

Oshawa 934 25.9 519 10.5 -44.4

Oshawa 934 25.9 519 10.5 -44.4

Oshawa 286.3 ... 141.7

Oshawa 286.3 ... 141.7

Oshawa $1,193,449 $1,400,851

Oshawa $1,193,449 $1,400,851

City of Oshawa Open Data

A list of Registered Two Unit Apartments that have been issued a certificate along with the date of issue.