742 rue William, Montréal

A building with 124 dwellings (9 storeys), built in 2023, on a 955 m² lot. 6 building permits since 1990. Square Victoria-Oaci metro station is 600 m away. Newer than 100% of the buildings on rue William.

Data as of October 29, 2026 · updated every week

Assessed, 2026 roll
$33,350,000
Welcome tax on that value
≈ $1,286,896
Dwellings
124
Built
2023
1 to check6 notes4 clear
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What stands out about 742 rue William

Compared with every address on the island of Montréal, from the assessment roll, Montréal open data and the STM timetable.

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What the records show for 742 rue William

Note

Short-term rentals: principal residence only, June 10 to September 10

Free preview
What the record says
The City of Montréal allows renting your principal residence to tourists only from June 10 to September 10, 31 days at most, with a yearly City permit and a CITQ registration number. A home that is not your principal residence needs a certificate of occupancy, which most residential areas do not allow.
What it means
Do not count on short-term rental income from this property unless you will live in it.
What to do
Check the City’s current rules on montreal.ca before you count on rental income.

The full report explains every finding like this one.

Check

Listed in the contaminated sites register

What it means and what to ask
Note

Rebuilt in 2021 after a demolition

What it means and what to ask
Note

6 building permits since 1990

What it means and what to ask
Note

Some permits are filed under another civic number

What it means and what to ask
Note

Assessed at $33,350,000, +11% on the previous roll

What it means and what to ask
Note

The City plans work on the pipes under this street

What it means and what to ask
Clear

No notice of deterioration

Clear

No City right of first refusal

Clear

No heritage protection found

Clear

Not in a mapped flood zone

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Assessed value of 742 rue William

In the full report
2026-2028 roll$33,350,000
Previous roll$30,110,000
Roll in force in 2022$1,977,700

From $1,977,700 on the roll in force in 2022 to $33,350,000 on the current roll: +1586%.

Welcome tax estimated with the City of Montréal’s 2026 brackets on the assessed value; the notary calculates it on the higher of the price and the adjusted value.

The building

UseResidential
Storeys9
Lot area955 m²
TypeEnd of row
Land use in the urban planMixed
Built area on the lot (City outlines, 2016)≈ 943 m²
Share of the lot under buildings≈ 99%
Frontage, cadastre and owner since

Permits for this address · 6 since 1990

In the full report
May 2022 · Renovation or alteration
5 more permits in the full report

Street and trees

City trees in frontNone recorded
BoroughVille-Marie
City plan for the pipes under the street (2023–2027)Water main: immediate attention · sewer: immediate attention
Water main breaks repaired within 35 m (1972–2017)None recorded

Metro and bus near 742 rue William

Nearest metro: Square Victoria-Oaci (Orange line)600 m
Robert-Bourassa / William · 74, 168, 777, 87293 m
Robert-Bourassa / Ottawa · 74136 m
Robert-Bourassa / William · 74, 168, 777, 872174 m
To downtown (McGill station) by metro and bus, weekday morning≈ 18 min

Public schools near 742 rue William

French-language public elementary schoolÉcole De la Petite-Bourgogne, 1.4 km
English-language public elementary schoolÉcole F.A.C.E., 1.6 km
French-language public secondary schoolÉcole FACE, 1.6 km
English-language public secondary schoolÉcole F.A.C.E., 1.6 km

The nearest school of each kind in a straight line, not the school of the address: each school service centre (French) and school board (English) sets its own territories, so ask it. English public schools require a certificate of eligibility under the Charter of the French language. Source: Ministère de l’Éducation du Québec.

Building activity nearby

Construction permits within 300 m, 2 years0
Demolition permits within 300 m, 2 years0

In Ville-Marie, the borough issued 37 construction permits and 26 demolition permits in the last two years. About the borough

Life around 742 rue William

City 311 requests within 150 m, last 12 months124 · dumped items and cleanliness 64, streets, sidewalks and lights 40, snow clearing 9
Ground-floor shops within 500 m279 · restaurants and cafés 85, grocery and daily shops 18, other shops 40, services 113, bars, entertainment and hotels 23
Empty storefronts within 500 m14%
Nearest food shopIGA, 80 m
Playground150 m
Dog run400 m
Public poolPiscine du YMCA Centre-Ville, 1.3 km
Wading pool or splash padJeux d'eau Saint-Jacques, 920 m
Outdoor skating rink1.4 km
LibraryGrande Bibliothèque - Bibliothèque et Archives nationales du Québec, 2.0 km

Ville de Montréal open data: 311 requests are counted around the address, never tied to one home; shops come from the City’s survey of ground-floor commercial premises; distances are in a straight line.

The neighbourhood in the 2021 census

People in this census area (2021)2,281
Median age32.4 (island of Montréal 39.6)
Median household income (2020)$79,000 (island of Montréal $66,500)
Households that own their home35% (island of Montréal 42%)
Moved here in the last five years84% (island of Montréal 44%)
Children under 156% (island of Montréal 15%)
People 65 and over4% (island of Montréal 18%)
People who speak French and English77% (island of Montréal 60%)
People who speak French only6% (island of Montréal 25%)
Adults 25 to 64 with a bachelor’s degree or higher73% (island of Montréal 45%)
Workers who take transit to work21% (island of Montréal 26%)
Homes that are single-detached houses0% (island of Montréal 14%)
Homes in buildings of five storeys or more96% (island of Montréal 15%)
Homes built in 1960 or before8% (island of Montréal 35%)

Figures for the census dissemination area that contains the address (a few blocks, usually 400 to 700 people), with the whole city in brackets. Source: Statistics Canada, 2021 Census of Population.

Crime near 742 rue William

In the full report

In the full report: incidents reported to the SPVM within 300 m over the last 12 months, by type.

Questions about 742 rue William

What is 742 rue William assessed at?

$33,350,000 on the 2026-2027-2028 assessment roll. The previous roll had it at $30,110,000. More

How much is the welcome tax for 742 rue William?

About $1,286,896 on its assessed value of $33,350,000. The tax is calculated on the highest of the price paid, the value in the deed and the adjusted assessed value, so the real amount may be higher. More

How has the assessed value of 742 rue William changed?

From $1,977,700 on the roll in force in 2022 to $33,350,000 on the current roll: +1586%. The previous roll had it at $30,110,000. More

When was 742 rue William built?

In 2023, according to the assessment roll.

How many dwellings does 742 rue William have?

124 dwellings, according to the assessment roll.

Is 742 rue William in a flood zone?

No. It is not in a flood zone mapped by the Quebec government. More

Does 742 rue William have a notice of deterioration?

No. The Ville de Montréal has registered no notice of deterioration on this building. More

Is 742 rue William a heritage building?

No. It is not listed or protected as heritage by the City. More

Can 742 rue William be rented short term (Airbnb)?

Only as the owner’s or tenant’s principal residence, from June 10 to September 10, 31 days at most, with a yearly City permit and a CITQ registration number. More

What building permits has 742 rue William had?

The City has issued 6 permits since 1990. The latest, from May 2022: travaux extérieurs. More

How far is the nearest metro station from 742 rue William?

Square Victoria-Oaci is 600 m away in a straight line.

How long does it take to get downtown from 742 rue William?

About 18 minutes by metro and bus on a weekday morning to McGill station, with the walk to the stop, according to the STM timetable.

Other addresses on rue William

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Checked against Montréal open data and the Quebec assessment roll on October 29, 2026. Lot outlines come from the City’s assessment units and have no legal value; the certificate of location decides.