Well positioned property in historic Old Oakville, south of Lakeshore, just steps to the beach, Oakville harbour and Town Square. Sitting proudly up on a rise, this 2 1/2 storey home features wonderful views, light and plenty of space to create your dream home. With lot dimensions of 105' x 105' this full-sized 11,044 SF lot is exactly twice the size of adjacent properties. Savvy buyers may investigate opportunities to sever the lot or explore the creation of an accessory dwelling unit on the property. Zoning RL3, Special Provision 11. The existing home sits entirely on one half of the property in the northeast corner leaving the south and the west portions of the lot open to potential. The existing residence features high ceilings, a grand staircase, formal living room with wood burning fireplace and adjacent sunroom. Lovely southeast dining room takes in all the sunlight. The kitchen and back entrance are in the southwest corner of the main floor. The second floor features 4 bedrooms and one main bathroom. The third floor with two large rooms used as the Primary suite features wonderful views over the garden, the lake, church tower and the beautiful trees of Old Oakville.
5 bedrooms, 1 bathroom, about 2,000 sq ft, works out to roughly $1,500 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 200 William St
Every detail from the listing, in one place.
Type
Detached
Style
2 1/2 Storey
Living space
2000-2500 sq ftas stated on the listing
Lot size
104.33 x 104.3311043 sq ft
Parking
3 spacesYes garage
Basement
Unfinished, Full
Features & systems
Parking & garage
Garage
Yes
Parking spaces
3
Interior
Basement
Unfinished · Full
Lot & land
Lot dimensions
104.33 x 104.33
Lot size (sqft)
11043
Listing & possession
Property style
2 1/2 Storey
Property class
Detached
200 William St Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® W13722374$2,999,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 200 William St Compares to the Oakville Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
Independent mortgage broker · OAC · rates subject to change and underwritingMortgage Squad →
Referral disclosure: Summitly may refer you to Mortgage Squad Advisors, an affiliated mortgage partner. You are free to choose any lender or mortgage professional.
Monthly cost
Enter a rate to see the monthly cost
An estimate, not a quote. Utilities and insurance are extra.
Affordability calculator
Estimated monthly payment
$14,733
/mo
based on the purchase price of $2,999,000
$599,800 cash
$2,399,200 financed
$2,020,756 total interest
Principal54%$2,399,200
Interest46%$2,020,756
20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.
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Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.
Rental income potential
Est. monthly rent
low–high
Gross yield
rent × 12 ÷ price
Cap rate (est.)
net of tax + fees
Summitly AI estimate for discussion only — not from TRREB or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.
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Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.
Similar homes for sale nearby in Oakville
Other 4–5 bed homes for sale in Oakville around $3.0M.
Average days on market34Homes sold in about 34 days on average.
Sale-to-list ratio96.5%On average, homes sold below asking.
Active listings1,194Homes for sale here right now.
Median vs prior 90 days0.0%Compared with Apr 25 – Jul 24, 2026.
Based on 1,039 sales from Jul 24 – Oct 22, 2026 (740 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
200 William St is listed at $2,999,000 (MLS® W13722374). Summitly updates the price as soon as the MLS® record changes.
Is $2,999,000 a good price for 200 William St?
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in Oakville. The rating is an automated opinion, not an appraisal; "What's it worth?" on this page shows how it is worked out. See Zara's estimate
Has the price of 200 William St changed?
No — 200 William St is still listed at its original asking price of $2,999,000.
How many bedrooms and bathrooms does 200 William St have?
200 William St has 5 bedrooms and 1 bathroom, with about 2,000–2,500 square feet of living space. It is a detached home in Oakville.
Is 200 William St close to transit?
The nearest rapid-transit station is Oakville GO Station (Lakeshore West GO), about 1.7 km (about a 22-minute walk) in a straight line. Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 200 William St?
About $14,733 a month — principal and interest on $2,999,000 with 20% down ($599,800), a 25-year amortization and an assumed 5.5% interest rate. The mortgage calculator on this page lets you change the down payment, amortization and rate.
How does 200 William St compare with other homes in Oakville?
Its asking price of $2,999,000 is about 129% above the median sold price in Oakville over the last 90 days, $1,310,000, across 1,039 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 200 William St been sold before?
Summitly has no earlier MLS® sale or lease of 200 William St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 200 William St?
200 William St is in Oakville, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 200 William St been on the market?
55 days — 200 William St was listed on August 28, 2026.
What is the price per square foot of 200 William St?
About $1,200 to $1,500 per square foot: the asking price of $2,999,000 over the 2,000–2,500 sq ft the listing gives as its size range.
Does 200 William St have parking or a garage?
Yes — the listing gives 3 parking spaces. Garage: Yes.