343 Douglas Avenue, Oakville, ON

$4,265,000
MLS#:W13469458
5 beds
6 baths
3000-3500 sqft
6.0 parking
Residential Freehold
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Added:Jun 19, 2026(71 days ago)
Updated:Aug 26, 2026(3 days ago)
Last Checked:19 minutes ago

Property Highlights

Welcome to this remarkable 2-Storey detached located in the coveted neighborhood of Old Oakville. Expertly crafted featuring premium stone and aluminum siding construction, this residence presents an exceptional opportunity offered at $4,265,000 to acquire a beautiful home in a highly sought-after setting. Designed for both comfortable daily living and elegant entertaining, the layout maximizes natural light, functional flow, and lifestyle utility.

  • 5 Bedrooms and 6 Bathrooms
  • Generous living space spanning 3000-3500 sqft on a premium 50 x 150 ft lot
  • Features a finished basement, adding superb versatility for recreation, a home gym, or extra storage
  • 6.0 total parking spaces available with a convenient attached configuration
  • Notable attributes: Auto Garage Door Remote, Built-In Oven, Water Heater
  • equipped with central air central cooling and highly efficient forced air heating via gas

Description

A rare opportunity to create a new, luxurious custom-home on one of Old Oakville's most coveted streets, set on an exceptionally private, tree-lined lot. This rarely offered design features a double-car garage and a fully finished lower level, thoughtfully crafted to deliver both elegance and functionality. Enjoy the expertise of a dedicated interior designer throughout the entire building process, ensuring every finish and detail is tailored to your vision. Features include: Curated luxury finishes throughout. Personalized interior design consultation and selection services. Optional elevator upgrade available with a three bedroom floorplan. Exceptional craftsmanship by a trusted custom builder with nearly 20 years of experience. An extraordinary opportunity to build a timeless custom home in one of Oakville's most prestigious neighbourhoods. Drawings are approved by Committee of Adjustments. Projected completion date August 2027 /Permit Process Underway

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Property Summary

This detached home located at 343 Douglas Avenue, Oakville is currently for sale and has been available on SousaSells for 71 days. This property is listed at $4,265,000 with an estimated mortgage of $14,197* per month. It has 5 beds, 6 bathrooms, and is 3000-3500 square feet. 343 Douglas Avenue, Oakville is in the Old Oakville neighborhood.

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* Estimated mortgage assumes a 30% down payment, 4.00% interest rate, and 30-year amortization.
Is this a Good Home for Families?

Yes! Featuring 5 bedrooms and 6 bathrooms, this home offers ample space and comfort for growing families in Old Oakville, Oakville.

Highly Recommended for Families
What We Love About This Home
  • •5 spacious bedroom layout offering versatile living space
  • •6 well-appointed bathrooms
  • •3000-3500 sqft of generous functional square footage
Standout Features & Layout
Who Should Buy This Home?

Growing families needing multi-bedroom flexibility and space in Old Oakville, Oakville.

Target Buyer Match

Key Features

Bedrooms
5
Bathrooms
6
Kitchens
1
Living Area
3000-3500 sqft
Property Type
Residential Freehold

Additional Details

StatusActive
AddedJun 19, 2026 (71 days ago)
UpdatedAug 26, 2026 (3 days ago)
Last Checked19 minutes ago
Transaction TypeFor Sale

Property Details

Property Sub-TypeDetached
Architectural Style2-Storey
ConstructionStone, Aluminum Siding
BasementFinished
Lot Size50 Ă— 150 Feet
CountyHalton
Annual Tax$9,348
Legal DescriptionLT 174, PL 113 ; OAKVILLE

Parking & Garage

Parking Total6.0
Parking Space4
Garage TypeAttached

Heating & Cooling

Heat SourceGas
Heat TypeForced Air
CoolingCentral Air

Features

Property Features

None listed

Interior Features

  • Auto Garage Door Remote
  • Built-In Oven
  • Water Heater

Security Features

None listed

Community Features

None listed

Frequently Asked Questions about 343 Douglas Avenue, Oakville, ON

Q.What is the asking price for 343 Douglas Avenue, Oakville, ON ?

The current listing price for 343 Douglas Avenue, Oakville, ON in Old Oakville, Oakville is $4,265,000.

Q.How many bedrooms and bathrooms does this property have?

This property features 5 bedrooms and 6 bathrooms across approximately 3000-3500 sqft.

Q.What property type and architectural style is 343 Douglas Avenue, Oakville, ON ?

343 Douglas Avenue, Oakville, ON is a Detached (2-Storey) featuring a Finished basement.

Q.What interior features are included in this home?

Interior highlights include: Auto Garage Door Remote, Built-In Oven, Water Heater.

Q.Is parking available at this property?

Yes, this property offers parking space for 6.0 vehicles (Attached).

Q.What heating and cooling systems are installed?

Heating is provided via Gas and cooling via Central Air.

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Location

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343 Douglas Avenue, Oakville, ON

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Neighborhood Safety Index

Neighborhood Safety & Crime Analytics

Old Oakville, Oakville

SAFETY RATING9.7 / 10
Low Incident Area
Total Annual Incidents27 incidents / yr
Average Per Month2.3 incidents / mo
Population Benchmark12,000 residents
Personal Safety
Very Low

6 assaults (50.0/100k)

Property Security
Low

7 B&E (58.3/100k)

Auto Theft Risk
Moderate

8 thefts (66.7/100k)

1-Year Trend
â–Ľ 7%

Improving vs previous year

How Per-Capita Rate (Per 100,000 Residents) Is Calculated:

Formula: (Annual Occurrences / Population) Ă— 100,000. This standard policing calculation normalizes incident frequencies across different population sizes, allowing accurate safety comparisons between quiet residential pockets and dense urban centres.

Source: Halton Regional Police Service (HRPS) Open Data
Halton & GTHA Police Network

Disclaimer: Crime and safety analytics are compiled from official municipal and regional police open data records for general consumer informational and demographic research purposes only. Data is deemed reliable but is not guaranteed and does not constitute a legal representation or guarantee of future safety.

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Property History

No historical data available for this property.

This could be the first listing for this address.

Pricing & Value Insights

Data-driven valuation for 343 Douglas Avenue, Oakville, ON L6J 3S7

Estimated Sales Range
$1.2M - $1.4M

Based on 0 recent similar sales in the pocket.

Market Speed
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Properties in this area are selling at a steady pace.

Market Trend
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Mortgage & Affordability Audit

Calculate your monthly payment, minimum downpayment, and land transfer taxes for this home in Oakville.

Configure Loan Settings

Interest Rate4.00%
Down Payment$1,279,500 (30.0%)
* Minimum Canadian down payment required for this price is $853,000.
Amortization Period30 Years
Estimated Monthly Payment$14,197Based on a loan of $2,985,500 over 30 years.
Purchase Price$4,265,000
Loan Amount$2,985,500
Provincial Land Transfer Tax:$93,100
Total Estimated Closing Taxes:$93,100

About Purchasing a Home in Oakville, ON

For a property listed at $4,265,000 in Oakville, the legal minimum down payment is $853,000 under current Canadian banking regulations. This calculation applies a 5% requirement on the first $500,000, 10% on the next $499,999, and a flat 20% on any amount exceeding $1,000,000.

Additionally, buyers in Ontario must budget for the Provincial Land Transfer Tax, which is estimated at $93,100 for this transaction. As this listing is in Oakville (outside the City of Toronto), no additional municipal land transfer tax is levied, resulting in total estimated land transfer taxes of $93,100.

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Old Oakville, Oakville Neighborhood Guide

Comprehensive city-wide demographics, local real estate stats, and school rankings for Old Oakville, Oakville.

Verified Local Data
City Population213,759
City Median Age41.5 Yrs
City Ownership82% Owners
Avg Area List Price$3,125,914

People & Families

Age Distribution

Household Composition

One-person households
18%
Families with children
52%
Couples without children
26%
Other households
4%

Top Ethnic Origins

English22%
Canadian16%
Scottish16%
Irish15%

Best Schools in Old Oakville, Oakville

Elementary Schools

New Central
Public133 Balsam Drive, Ennisclare Park, Oakville, Ontario, L6J 3X4
9.6
Sainte-Marie
Public336 Maurice Drive, Oakville, Ontario, L6K 2X3
7.9
St James
Public255, Oakville, Ontario, L6K 2S2
6.7
W H Morden
Public180 Morden Road, Oakville, Ontario, L6K 2S3
8.5
du ChĂŞne
Public150 Ridge Drive, Oakville, Ontario, L6H 1B8
9.4

Secondary Schools

St. Thomas Aquinas
Catholic124 Dorval Drive, Oakville, Ontario, L6K 2W1
8.2
Oakville Trafalgar
Public1460 Devon Road, Ennisclare Park, Oakville, Ontario, L6J 3L6
9.2
White Oaks
PublicOnslow Court, Oakville, Ontario, L6H 1H9
8.8
Gaétan Gervais
Public1075 McCraney Street East, Oakville, Ontario, L6H 1H9
9.3

Old Oakville, Oakville Demographic Home information

Structural Home Types

Tenure (Ownership vs Rental)

Owner-Occupied82%
Rented18%

Need more details or a custom CMA?

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Notice: Market Insights are generated by analyzing real-time data and should be used for informational purposes only. Consult with a licensed professional for exact valuations.

Disclaimer: AI Insights are generated by an automated system and should be used for informational purposes only. While we strive for accuracy using current market data and deep-learning models, these assessments do not constitute professional real estate, legal, or financial advice. All property values, predictions, and scores are estimates. We strongly recommend verifying all property details and conducting independent due diligence with a licensed professional before making any purchase decisions.

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