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Caledon, King, Toronto, New Tecumseth & Orangeville(437) 228-3434
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MLS® W13430514For SaleDetached

350 King St

Old Oakville, Oakville, Ontario L6J 1C2

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350 King St, Oakville, photo 1
Asking$10,900,000
Bedrooms
3+2
Bathrooms
5
Size
5,000 +sq ft
Lot
104 x 208 ft
Tax a year
$40,1882025 tax year
Built
100+
Parking
122 detached
Days on market
Members

The brief

About 350 King St

350 King St is a 3+2-bedroom, 5-bathroom detached house in Old Oakville, Oakville, listed for sale at an asking price of $10,900,000 (MLS® W13430514).

Nestled in the heart of downtown Oakville, this magnificent historical home offers unparalleled charm and elegance, combined with modern amenities. Spanning over 8,000 square feet, the expansive layout provides both grandeur and comfort, perfect for family living or entertaining on a grand scale. With stunning views of the sparkling waters of Lake Ontario, every room is designed to maximize the beauty of its lakeside setting. The home boasts high ceilings, intricate architectural details and walnut hardwood floors, blending timeless craftsmanship with contemporary design. The private lush yard with 104 feet of frontage is a rare gem, providing a serene outdoor oasis with mature trees and ample space for outdoor activities or quiet relaxation and complete privacy. Whether you're enjoying a morning coffee while gazing at the lake or hosting a summer gathering, the outdoor space is as inviting as the interiors. The property's prime location puts you just steps from Oakville's charming downtown, offering convenient access to world-class dining, shopping, and cultural attractions, while still providing the tranquility of lakeside living. With its rich history, extraordinary space, and unbeatable location, this is a once-in-a-lifetime opportunity to own a piece of Oakville's heritage.

Insights

  • Condition Score

    Good

    6 condition-related facts documented

    Source: Listing age, structured features and disclosed update language; not an inspection.

  • Cashflow Quality

    Shortfall

    −$47,377/mo against the cost of owning (20% down, 4.8%, 25 yrs)

    Source: Median of 33 detached homes with 5 bedrooms for lease in Oakville right now. Cost of owning counts the mortgage and property tax.

Condition uses listing-record signals, not an inspection.

The home

Key facts

Tax
$40,188 / 2025
MLS® number
W13430514
Board
TRREB MLS®
Property Type
Detached
Building Age
100+
Days on market
Size
5000 + sqft
Lot Size
104 x 208 ft
Listed on
Parking
2 Detached, 12 Parking
Listing brokerage: RE/MAX Aboutowne Realty Corp., BrokerageData source: TRREB MLS®Information deemed reliable but not guaranteed. Contained information is subject to errors, omissions, and changes without notice. Information should be independently verified.

Property details

Property

Property Type
Detached
Style
2-Storey
Community
Old Oakville
Municipality
Oakville

Building

Size
5000 + sqft
Building Age
100+
Construction
Brick

Inside

Bedrooms
3+2
Bathrooms
5
Bathroom Details
1 × 5pc 2nd, 1 × 4pc 2nd, 1 × 2pc Ground, 1 × 3pc Bsmt, 1 × 3pc
Basement Type
Finished
Kitchens
1

Parking

Garage Type
Detached
Garage
2
Additional Parking
10
Total Parking
12

Utilities

Water
Municipal
Cooling
Central Air
Heating Type
Forced Air

Land

Sewer
Sewers
Frontage
104 ft
Depth
208 ft
Lot Size
104 x 208 ft

Additional

Foundation
Poured Concrete
Roof
Asphalt Shingle
Fireplace
Yes
Pool
None
Den
Yes
Family room
Yes
Extras
B/I BBQ, all ELFs and window coverings, 5 fridges, 4 dishwashers, 3 microwaves, 2 sets of washer/dryer and 1 gas range.

Rooms

RoomSizeFeaturesLevel
Kitchen3.99 × 5.61 mB/I Appliances, Centre Island, Combined W/LivingMain
Dining3.91 × 4.78 mFolding Door, hardwood floor, Bay WindowMain
Living4.09 × 5.54 mFireplace, Combined W/KitchenMain
Family5.31 × 8.03 mFireplace, hardwood floor, B/I ShelvesMain
Sitting4.83 × 5.61 mB/I Fridge, B/I Dishwasher, Bar SinkMain
Office3.66 × 5.79 mB/I Shelves, hardwood floorMain
Sunroom4.75 × 10.57 mW/O To Yard, Combined W/FamilyMain
Foyer2.59 × 4.6 m—Main
Mudroom2.29 × 4.42 mHeated FloorMain
Other2.34 × 2.44 mB/I ShelvesMain
Powder Rm2.41 × 2.74 m2 Pc BathMain
Primary5.97 × 6.12 mFireplace2nd
Other3.51 × 4.24 mCloset Organizers2nd
Bathroom5.08 × 5.21 m5 Pc Ensuite2nd
2nd Br3.58 × 4.83 mB/I Bookcase2nd
3rd Br4.09 × 4.6 mB/I Bookcase, California Shutters2nd
Foyer2.39 × 2.46 m—2nd
Bathroom3.33 × 3.53 m4 Pc Bath2nd
Great Rm6.45 × 7.14 mB/I Bookcase, B/I ShelvesLower
Other2.77 × 3.63 mB/I Dishwasher, B/I Fridge, Bar SinkLower
Bathroom2.06 × 2.31 m3 Pc BathLower
Cold/Cant1.91 × 2.51 m—Lower
Games4.57 × 6.1 mB/I Bookcase, B/I ShelvesLower
Laundry3.86 × 6.45 m—Lower
Utility3.48 × 5.64 m—Lower
4th Br3.96 × 5.26 mB/I ShelvesLower
5th Br3.66 × 4.42 mB/I ShelvesLower
Other2.59 × 9.91 m—Lower
Utility1.42 × 2.79 m—Lower
Workshop2.74 × 3.94 mB/I ShelvesGround
Sitting3.71 × 4.29 m—2nd
Exercise3.58 × 3.66 m—2nd
Breakfast2.03 × 4.27 m—2nd
Bathroom1.83 × 3.23 m3 Pc Bath2nd

Listing history

Buy/sell history for 350 King St, Oakville, Ontario

Sale history on this site covers the last 2 years, the window permitted under the TRREB MLS® VOW agreement.

Date StartDate EndList PricePriceEventListing ID
Date StartN/AN/A$10,900,000N/APcW13430514

Members see the full history. Prices are hidden from signed-out visitors.

The numbers

Mortgage Calculator

Plan with the current asking price

20% · $2,180,000

CMHC insurance: not required at 20% down. Payments use Canadian semi-annual compounding.

Mortgage Details

4.8% · 5-year term · 25-year amortization · 20% down

Total down payment
$2,180,000
Total mortgage amount
$8,720,000
Total interest payment
$6,198,400
Total purchase cost
$17,098,400
Mortgage payment
$49,728/mo

Cash Flow Analysis

If you rented this home out at 20% down

Break-even down payment

96%

Monthly carrying cost

$53,077
−$47,377per month
  • Rent $5,700
  • Shortfall $47,377

Rental income opens at $5,700, the median asking rent of 33 comparable homes for lease in Oakville. Type over it with the rent you expect. This is a planning tool, not advice.

Land transfer tax on this home

Ontario land transfer tax
$258,975
Total land transfer tax
$258,975
First-time buyer rebates (Ontario up to $4,000)
−$4,000
Total for first-time buyers
$254,975
See how this is worked out
0.5% on the first $55,000
$275
1.0% from $55,000 to $250,000
$1,950
1.5% from $250,000 to $400,000
$2,250
2.0% from $400,000 to $2,000,000
$32,000
2.5% from $2,000,000 to $10,900,000
$222,500
Ontario total
$258,975

An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.

Estimate

Estimated value requires sign in

Market estimates use sold comparables and are available after you sign in and accept MLS® VOW terms.

The estimate is an automated value built from public and MLS® data. It is not an appraisal; ask Kassaundra Dobson, Broker of Record for a full comparative market analysis.

Comparable sales

Comparable sales require sign in

Closing prices and sold comps are available to registered visitors who accept MLS® VOW terms on this site.

The land

Lot

Lot area
21,632 sq ft2,010 m²
Street frontage
104 ft31.7 m
Depth
208 ft63.4 m
104 × 208 ftKING ST

The area is the frontage multiplied by the depth, so boundaries are approximate. Confirm with a survey before you buy.

Source: the MLS® listing record, measured by MPAC.

Land and environment

Public records about this location. Not part of the MLS® listing and not provided by the listing brokerage.

11 records · 5 on fileRead 2026-11-05
250 m500 m1 km2 kmBeyond · area-wideNo mapped wetland within 120 mNo water-supply well recorded within 250 mOutside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areasA trail on the Ontario trail network within 1 kmNo licensed pit or quarry within 2 kmNo recorded oil, gas or salt well within 250 mNo facility within 1 km reports pollutant releases to Environment Canada1 federal contaminated site within 1 kmElectricity is distributed here by Oakville Hydro Electricity Distribution Inc.Wired internet 50/10 Mbps or faster is listed at this locationAcross the surrounding area: fibre to the home, cable, DSL internet listed
On record Checked, none on record

Water and conservation2

  • No mapped wetland within 120 m120 m
  • No water-supply well recorded within 250 m1 test or monitoring hole also recorded.250 m

Province of Ontario open data

Planning and building activity1

  • Outside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areasAt the address

Province of Ontario open data

Around the home1

  • A trail on the Ontario trail network within 1 km1 km

Province of Ontario open data

Environmental records4

  • No licensed pit or quarry within 2 km2 km
  • No recorded oil, gas or salt well within 250 m250 m
  • No facility within 1 km reports pollutant releases to Environment CanadaThe nearest is Dana Canada Corporation — Dana Oakville Kerr, 2.4 km away. Only facilities above the inventory’s reporting thresholds are listed.1 km
  • 1 federal contaminated site within 1 kmAll of them are closed. The federal inventory covers federal land only, not provincial or private sites.1 km

Province of Ontario open data · Government of Canada open data

Power and internet3

  • Electricity is distributed here by Oakville Hydro Electricity Distribution Inc.At the address
  • Wired internet 50/10 Mbps or faster is listed at this locationFixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (20 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.At the address
  • Across the surrounding area: fibre to the home, cable, DSL internet listedFibre to the home: Bell, Cogeco Connexion. Cable: Cogeco Connexion. DSL: Bell. Fixed wireless: Bell, Rogers, SkyChoice Communications. Mobile: Bell, Freedom Mobile, Rogers, Telus. Satellite: Xplore. ISED’s list for the surrounding ~25 km² area; check with a provider for this address.Area-wide

Ontario Energy Board · Innovation, Science and Economic Development Canada

Each record is placed at the distance its own line states. None of it is an inspection of the property. Confirm anything that matters to you with the municipality, Conservation Haltonor the record’s publisher.

Contains information licensed under the Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Ontario.

The market

Detached homes for sale in Old Oakville right now

For sale now
27
Median asking price
$4.1M

Middle half: $2.77M to $5.24M

New in 7 days
2

7 in 28 days

Price cuts
19%

5 listings

This home is asking 166% above the median, higher than three quarters of them.

See all homes in Old Oakville

Asking prices and counts of the MLS® listings on this site as of today. Asking figures only, never sold or leased prices.

Market area · filters apply to the charts below

The street

Transit nearby

StationLinesDistance
Oakville GOGO Transit train: Lakeshore West1.9 km

The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: GO Transit schedule data (GTFS) from Metrolinx under the Open Government Licence – Ontario – Metrolinx, downloaded October 18, 2026. Data used in this product or service is provided with the permission of Metrolinx. Metrolinx makes no representations or warranties of any kind, express or implied, with respect to the Data and assumes no responsibility for the accuracy or currency of the data used in this product or service. Contains information licensed under the Open Government Licence – Ontario – Metrolinx.

Schools nearby

ElementaryTypeDistanceEQAO average 2024–25
New Central Public SchoolHalton DSBPublic · grades JK–6700 m90%Grade 6 average
Oakwood Public SchoolHalton DSBPublic · grades JK–61.7 km45%Grade 3 average
ÉÉC Sainte-Marie-OakvilleConseil scolaire catholique MonAvenirFrench-language Catholic · grades JK–82.1 km91%Grade 6 average
St. Vincent Catholic Elementary SchoolHalton CDSBCatholic · grades JK–82.1 km76%Grade 6 average
SecondaryTypeDistanceGrade 9 math 2024–25
St. Thomas Aquinas Catholic Secondary SchoolHalton CDSBCatholic · grades 9–121.9 km72%Grade 9 math
Oakville Trafalgar High SchoolHalton DSBPublic · grades 9–12 · French Immersion2.9 km86%Grade 9 math
White Oaks Secondary SchoolHalton DSBPublic · grades 9–123.7 km81%Grade 9 math
École secondaire Gaétan GervaisConseil scolaire ViamondeFrench-language public · grades 9–123.9 km85%Grade 9 math

EQAO: share of students at or above the provincial standard, 2024–25 (Ontario open data). These are the schools nearest this home, not the schools it is assigned to: boundaries change, and some schools take students by application. Confirm with the board before you buy. Contains information licensed under the Open Government Licence – Ontario.

The verdict

Similar Active Listings

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Sold prices in Old Oakville are shown to signed-in members.

Email Kassaundra Dobson, Broker of Record