Residential address

100 21e Avenue #301

Lachine, Montreal H8S 3 views

100 21e Avenue #301 is a residential property in Lachine, Montreal, built in 1930. Its 2026 municipal assessment is $1,127,500, up 10% from $1,025,000 on the 2023 roll.

Year built: 1930
Storeys: 1
Dwellings: 1
Building: 146 m² · 1,572 ft²
Lot size: 163 m² · 1,755 ft²
Type: Logement

Estimated value

$1,217,916

60% above the Lachine average

1.01 M Likely range 1.46 M

Vs a typical Lachine home

Bedrooms +1 +$15k

Bathrooms 0

Powder rooms 0

Indoor parking 0

Lot size -47% +$17k

Interior size -28% +$3k

Year built -37 +$12k

Estimate based on regional data and your inputs. How it works

Refine this estimate

Adjust the rooms and interior finish: the value updates as you go.

Interior finish Standard

Example of this interior finish level — Standard

The typical, average finish — kept up and current enough.

Poor Excellent

Bedrooms

Bathrooms

Powder rooms

Indoor parking

Location

Google Maps

Municipal assessment

2026 roll

Municipal assessment comes from the property assessment roll. It is separate from the estimated market value above.

Total: $1,127,500
Land: $130,200
Building: $997,300
2023 roll: $1,025,000 +10%

Alexandre Bélanger-Laflèche

514 Groupe

View profile

Talk to a local expert

Questions about this home in Lachine?

Alexandre Bélanger-Laflèche knows this market and can take you further than an online estimate:

See recent transactions on nearby homes
Confirm the details we have on file for this property
Confirm what it's really worth on today's market

Frequently asked questions

What is 100 21e Avenue #301, Lachine worth?

Evalio estimates the market value of 100 21e Avenue #301, Lachine at about $1,218,000, with a likely range of $1,009,000 to $1,463,000.

What is the municipal assessment of 100 21e Avenue #301, Lachine?

On the 2026 municipal assessment roll, 100 21e Avenue #301, Lachine is valued at $1,127,500. That is $130,200 for the land and $997,300 for the building.

When was 100 21e Avenue #301, Lachine built?

100 21e Avenue #301, Lachine was built in 1930, according to the municipal assessment roll.

Is the Evalio estimate an official appraisal?

No. The Evalio estimate is an automated valuation for information only — it isn't a certified appraisal and carries no legal weight. For a mortgage, a sale, or a tax dispute, hire a chartered appraiser, who visits the property and signs a formal report.