5 Elite Picks! Here Are 5 Reasons To Make This Home Your Own: 1. Stunning Custom-Designed Kitchen Boasting Abundant Cabinetry, Oversized Island with Breakfast Bar, Quartz Countertops, Top-of-the-Line Appliances (Including Pizza Oven!) & Double walk-out to Porch/Patio, Combined with Bright & Beautiful Dining Room with Gas Fireplace, Ample Oversized Windows & Sun-Filled Sitting/Reading Nook Overlooking the Backyard... Plus Gorgeous Great Room Featuring Ample Oversized Windows, Gas Fireplace & Stunning Custom Coffered Ceiling! 2. Spacious 2nd Level Boasting 3 Large Bedrooms (Each with Custom walk-in Closet & Its Own Ensuite!), Office Nook with built-in Desk/Shelving & Beautiful Upper Level Laundry Room with Chic Tile Flooring & built-in Storage. 3. Spacious Primary Bedroom Suite Featuring Bountiful built-in Storage Thruout, Plus walk-in Closet/Dressing Room & Breathtaking 5pc Ensuite with Huge Double Vanity, Freestanding Soaker Tub & Large Glass-Enclosed Rain Shower with built-in Seat. 4. Bright & Beautiful Finished Basement with Oversized Windows Boasting Spacious Open Concept Rec/Games Room with Generous Wet Bar Area, Plus Multi-Functional Room (Office, Theatre Room, etc.) with built-in Storage, Stunning 3pc Bath & Large 4th Bedroom with Access to walk-in Closet/Fabulous 2nd Laundry with Ample built-in Storage! 5. Gorgeous Private Lot with Oversized Patio, No-Maintenance Artificial Turf (Including Front Yard Putting Green Area!) & Mature Trees & Shrubs, Located in Beautiful Old Oakville Just Steps from Downtown Oakville with Boutique Shopping, Classy Restaurants & Much More! All This & More! Convenient 2nd Entry to Mud Room with built-in Storage Nook. Striking 2pc Powder Room on Main Level. Solid Hdwd Flooring Thru Main & 2nd Levels. Nearly 3,000 Sq.Ft. A/G Finished Living Space + 1,800 Sq.Ft. in the Finished Basement! 10' Ceilings on Main Level / 9' on 2nd Level & Basement. Dual A/C Units for Efficient Cooling (2nd Unit Added '25)! Heated Flooring in Basement & All Baths!
3 bedrooms, 4 bathrooms, about 2,500 sq ft, works out to roughly $1,740 per square foot, the bed-to-bath ratio is generous. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 129 Watson Ave
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
2500-3000 sq ftas stated on the listing
Lot size
63.67 x 110.76
Parking
7 spacesYes garage
Basement
Finished, Full
Features & systems
Parking & garage
Garage
Yes
Parking spaces
7
Interior
Basement
Finished · Full
Lot & land
Lot dimensions
63.67 x 110.76
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
129 Watson Ave Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® W14128732$4,350,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 129 Watson Ave 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
$21,370
/mo
based on the purchase price of $4,350,000
$870,000 cash
$3,480,000 financed
$2,931,073 total interest
Principal54%$3,480,000
Interest46%$2,931,073
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.
For homeowners nearby
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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 2–4 bed homes for sale in Oakville around $4.3M.
Average days on market34Homes sold in about 34 days on average.
Sale-to-list ratio96.4%On average, homes sold below asking.
Active listings1,184Homes for sale here right now.
Median vs prior 90 days−1.1%Compared with May 2 – Jul 31, 2026: prices down.
Based on 997 sales from Jul 31 – Oct 29, 2026 (793 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
129 Watson Ave is listed at $4,350,000 (MLS® W14128732). Summitly updates the price as soon as the MLS® record changes.
Is $4,350,000 a good price for 129 Watson Ave?
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 129 Watson Ave changed?
No — 129 Watson Ave is still listed at its original asking price of $4,350,000.
How many bedrooms and bathrooms does 129 Watson Ave have?
129 Watson Ave has 3 bedrooms and 4 bathrooms, with about 2,500–3,000 square feet of living space. It is a detached home in Oakville.
Is 129 Watson Ave close to transit?
The nearest rapid-transit station is Oakville GO Station (Lakeshore West GO), about 1.5 km (about a 19-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 129 Watson Ave?
About $21,370 a month — principal and interest on $4,350,000 with 20% down ($870,000), 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 129 Watson Ave compare with other homes in Oakville?
Its asking price of $4,350,000 is about 235% above the median sold price in Oakville over the last 90 days, $1,300,000, across 997 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 129 Watson Ave been sold before?
Summitly has no earlier MLS® sale or lease of 129 Watson Ave on record from the last two years. Older records aren't shown under TRREB rules.
Where is 129 Watson Ave?
129 Watson Ave is in Oakville, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 129 Watson Ave been on the market?
129 Watson Ave was listed today (October 29, 2026).
What is the price per square foot of 129 Watson Ave?
About $1,450 to $1,740 per square foot: the asking price of $4,350,000 over the 2,500–3,000 sq ft the listing gives as its size range.
Does 129 Watson Ave have parking or a garage?
Yes — the listing gives 7 parking spaces. Garage: Yes.