Toronto permit data

How to Look Up Any Toronto Building Permit

Published July 23, 2026

How do you look up a Toronto building permit?

Short answer: Toronto publishes its active building permits as open data, so you can look one up for free in three ways: by street address, by the permit number, or on a map. No account, no lawyer, no records request.

A building permit in Toronto is a public record. The City posts its active permits as an open dataset, and anyone can read them without asking permission. That open record is what this site is built on. PermitIndex indexes 27,839 Toronto building permits issued in the trailing twelve months as of Jul 16, 2026, drawn straight from the City's data.

There are three ways to find the one you want. You can search by address, which is the fastest route for most people. You can search by the permit number if you already have it. Or you can find it on a map, which helps when you are scanning a whole block rather than one lot. The rest of this guide walks each route, then shows what the record does and does not tell you, so you know how to read the result once it comes back.

Look up a permit by street address

Address is the way most people search, and it is the one PermitIndex is tuned for. Type a Toronto street address and you get back every permit the City currently holds against it, already sorted by trade and stamped with dates. You do not read a raw data file or filter a spreadsheet; the sorting is done for you.

The official version of the same lookup lives on the City of Toronto's Open Data portal, which is the authoritative source and the right thing to cite when you need one. It is free but raw: you download the dataset and search it yourself. For a single address, the faster path is to search by address here and read the results in plain language.

One tip on addresses. Enter the civic address of the property, not a unit or a nearby cross-street. If a result looks thin, try the street number without the suite, since work is often permitted against the base building address rather than an interior unit. A wrong or partial address is the most common reason a real permit fails to show.

Look up a permit by its permit number

Every permit the City issues carries a permit number. If you already have that number, from a placard posted on a job site, a real-estate listing, or a City notice, it is the most precise way to pull the exact record with no guesswork about the address.

The number appears next to each permit in the City's open dataset, and on PermitIndex once you search the address. On an active construction site, the permit is usually posted on a placard near the entrance, and the number is printed on it. That placard carries the same number you can look up online, so you can stand in front of a project, read the number off the sign, and check what was actually approved.

A permit number is tied to one filing. A single property can hold several, one per distinct scope of work, so finding one number does not mean you have found them all. When you want the full picture for a property, fall back to the address search, which returns every permit on record at once rather than a single filing.

Find a permit on a map

Sometimes you are not looking at one property, you are looking at an area. A map view answers a different question: what is being built around here? Instead of one address, you see permits plotted across a street, a block, or a neighbourhood, which is the right tool when you are sizing up a stretch rather than a single lot.

The map is most useful for spotting patterns. A cluster of permits on one street can signal a wave of renovations or a larger project assembling several lots. A quiet block tells its own story. From any point on the map you can open a permit to read the same record you would get from an address search: the work type, the status, and the dates.

If your question is really about a postal area rather than a single pin, the permits by postal area view groups activity by forward sortation area, the first half of a postal code, which the City publishes while keeping full postal codes private. That is the middle ground between one address and the whole city.

What does a permit record actually show?

A lookup is only useful if you know how to read what comes back. The public permit record is generous about the work and silent about the people.

What it shows:

• The property address the permit was issued against.
• The type of work, classified by trade and permit type.
• The status: under review, issued, or closed.
• The dates the City recorded for application and issuance.

What it does not show:

• The owner, the applicant, or the contractor by name.
• The architectural or engineering drawings filed with the application.
• Inspection results, deficiency notes, or correspondence with the plans examiner.

So a lookup answers what was permitted at an address and where it stands, and stays quiet on who did it and how well. If you care about how long a permit like this usually takes to clear, the Toronto permit wait times page reports the median lag from application to issuance by trade, from the same record. The permits by trade view lets you see how one type of work stacks up across the city.

Why a permit you expect might not appear

An empty result is the most misread outcome of a lookup, so it is worth stating plainly. The City's open dataset covers active permits. Records leave it as projects close out and age off. An address with nothing on it is not proof that no work was ever permitted there; it means nothing is on the active register right now.

For a recent renovation the record is reliable. For work done long ago, the permit may simply have aged out of the active data, which is normal and not a red flag on its own. Read a blank result as "nothing active," never as "nothing ever."

There is a second reason a permit can be missing: the work may not have needed one. Minor work often falls below the threshold for a permit. Whether a given job required one is a question for Toronto Building, not something a lookup settles. If you find work that clearly should have been permitted and is not on record, that is a matter for a qualified inspector or the City, not the public dataset alone.