8
$499,900
255 Mellanby Avenue, Port Colborne, ON L3K 2M2
Main Street
3 bd
2 ba
1,100 sf
9
1 months on marketMLS® X13776346
Listing courtesy of RE/MAX NIAGARA REALTY LTD, BROKERAGE
1 / 44
For saleMLS® X14030570
125 Omer Avenue, Port Colborne, ON L3K 3Y5
Main Street · L3K 3Y5
$449,900
$300 / sq ft3 weeks on market
- Bedrooms
- 4
- Bathrooms
- 2
- Interior
- 1,500 sf
- Parking
- 3
- Lot
- 40 × 120 ft
What's special
- Detached garage
- Window unit(s)
- Finished basement
- Sump pump
- Water heater owned
About this property
Welcome to 125 Omer Avenue, a lovely duplex offering two 2-bedroom, 1-bathroom units in Port Colborne. The main-floor unit features a functional layout with living and dining space, private laundry and access to the unfinished basement and backyard, while the upper unit is currently rented for $1,500/month inclusive, providing existing rental income. Recent updates include bathrooms, flooring throughout, new front and rear decks, and a new fence. Outside, the property offers a large yard and detached garage with additional space for storage, hobbies or a workshop. With two self-contained units and the main floor currently owner occupied, this property offers flexibility for investors, buyers looking to live in one unit while collecting rent from the other, or those looking for separate living spaces under one roof.
Rooms
9 rooms. Dimensions as published by the listing brokerage.
| Room | Level | Dimensions | Features |
|---|---|---|---|
| Living Room | Main | 4.32 × 3.81 m14.2 × 12.5 ft | — |
| Kitchen | Main | 4.22 × 3.63 m13.8 × 11.9 ft | — |
| Dining Room | Main | 3.81 × 1.83 m12.5 × 6.0 ft | — |
| Primary Bedroom | Main | 3.71 × 3.66 m12.2 × 12.0 ft | — |
| Bedroom | Main | 3.20 × 2.64 m10.5 × 8.7 ft | — |
| Living Room | Second | 4.57 × 3.05 m15.0 × 10.0 ft | — |
| Kitchen | Second | 3.66 × 3.08 m12.0 × 10.1 ft | — |
| Bedroom | Second | 3.66 × 3.05 m12.0 × 10.0 ft | — |
| Bedroom | Second | 3.05 × 2.13 m10.0 × 7.0 ft | — |
Features
- Sump Pump
- Water Heater Owned
Property details
Property
- Property type
- multiplex
- Bedrooms
- 4
- Bathrooms
- 2
- Interior size
- 1,500 sq ft
- Lot size
- 40 × 120 ft
- Zoning
- R2
- Possession
- Flexible
Interior
- Basement
- Unfinished
- Heating
- Forced Air · Gas
- Cooling
- Window Unit(s)
- Exposure
- North
Exterior & services
- Construction
- Vinyl Siding
- Garage
- Detached
- Parking spaces
- 3
- Sewer
- Sewer
Costs
- List price
- $449,900
- Property taxes
- $2,382 / year (2026)
- Price per sq ft
- $300
- Rental items
- none
Listing
- MLS® number
- X14030570
- Status
- For sale
- Listed
- October 14, 2026
- Days on market
- 22
- Last updated
- October 14, 2026
- Listing brokerage
- COLDWELL BANKER ADVANTAGE REAL ESTATE INC, BROKERAGE
Price & sale history
This property's sale history is hidden
TRREB rules require a free account before sold and leased prices can be shown. One registration unlocks full sale history across the site.
Unlock sale history & sold priceFree. Takes about twenty seconds.
Before you make an offer
What this home costs beyond the asking price, and how that price compares to what else is on the market.
How this price compares
This home is priced below most comparable listings — about 15% of comparable multiplex listings in Port Colborne are asking less.
$440KMedian $559K$800K
- This home
- $300 / sq ft
- Comparable median
- $333 / sq ft
Based on 13 comparable active multiplex listings in Port Colborne. These are asking prices, not sale prices.
Mortgage estimate
Down payment5.0% · minimum $22,495
Interest rate5-year fixed, illustrative only
Amortization
- Principal & interest
- $2,363.20
- Property tax (est.)
- $198.50
- Estimated monthly
- $2,562
Estimate only. Excludes CMHC insurance premiums, which apply below 20% down, and does not constitute a mortgage approval or an offer of credit.
Land transfer tax
Payable on closing, on top of the purchase price.
- Ontario
- $5,473
- Total due on closing
- $5,473
An estimate on the asking price of $449,900. Rates current as of September 2026; confirm the final figure with your real estate lawyer.
Listing courtesy of COLDWELL BANKER ADVANTAGE REAL ESTATE INC, BROKERAGE. Listing data is provided in part by the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but is not guaranteed accurate. Information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. Data is updated every 15 minutes.
Comparable sales nearby
What similar homes in this area actually sold for.
Nearby sold prices are hidden
Recent closed sales for comparable homes in this area — the numbers that tell you whether the asking price is realistic.
Unlock nearby sold pricesFree. Takes about twenty seconds.
Similar properties nearby
36
$515,000
223 Main Street W, Port Colborne, ON L3K 3V7
Main Street
4 bd
3 ba
2,000 sf
8
3 months on marketMLS® X13582758
Listing courtesy of CENTURY 21 LEADING EDGE REALTY INC.
5
$424,999
177 Erie Street, Port Colborne, ON L3K 4M5
Main Street
4 bd
2 ba
1,500 sf
3
4 months on marketMLS® X13529440
Listing courtesy of COLDWELL BANKER MOMENTUM REALTY, BROKERAGE