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Duplex

12 Weldon Ave, St. Thomas

St. Thomas, ON · · MLS® X12660250

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Hidden for signed-out visitors under TRREB rules · free account

Free for members: past prices, dates, photos and the full sale history of this home, shown under TRREB rules.

Bedrooms: 4
Bathrooms: 2
Living space: 1500–2000sq ft
Parking spaces: 6

Type Duplex
Basement Full, Finished

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What you should know

12 Weldon Ave is a 4-bedroom, 2-bathroom duplex in St. Thomas. It has sold; the sold price is shown free to signed-in members, as board rules require.

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4 Bed, 2 Bath Duplex in St. Thomas

About 12 Weldon Avenue

The listing remarks and room-by-room details of sold and leased homes are available to signed-in members.

4 bedrooms, 2 bathrooms, about 1,500 sq ft. Chat with Zara if you'd like a deeper read on whether this duplex fits your budget and timing.

Inside 12 Weldon Ave

Every detail from the listing, in one place.

Type: Duplex
Style: 2-Storey
Living space: 1500-2000 sq ftas stated on the listing
Parking: 6 spaces
Basement: Full, Finished

Features & systems

Parking & garage

Parking spaces: 6

Interior

Basement: Full · Finished

Lot & land

Lot size (sqft): 0

Listing & possession

Property style: 2-Storey
Property class: Duplex

12 Weldon Ave Price & Sale History

Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.

12 Weldon Ave has sold

Missed it? Tell us what you're looking for and an agent will send you similar homes as soon as they list, and walk you through what this one sold for.

What's it worth?

How 12 Weldon Ave Compares to the St. Thomas Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

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What's selling nearby

Sold prices and dates are shown free to signed-in members, as MLS® rules require. Zara doesn't publish an estimate for a home that has sold.

What's my home worth?Ask an agent

St. Thomas market, last 90 days

Median sold price: $525,000
Average sold price: $538,353
Average days on market: 47
Homes sold: 249

Closed sales on the TRREB MLS®.

Full St. Thomas market report

Recently sold nearby in St. Thomas

Sold prices are shown free to signed-in members, as board rules require.

6 nearby sales vs. this home

Closed sales from MLS®, compared with this home's asking price.

See what these homes actually sold for

Free with a Summitly account. Sign in once and sold prices unlock across the site.

Home	Sold price	$ / sqft	% of asking	Sold
This home12 Weldon Avenue 4 bd · 2 ba · 1,500 sqft	—asking	—	—	—
92 Forest Avenue 3 bd · 3 ba · 2,000 sqft
54 St Catharine Street 3 bd · 2 ba · 1,100 sqft
55 East Street 5 bd · 2 ba · 2,000 sqft
15 Wilson Avenue 3 bd · 2 ba · 1,500 sqft
35 Inkerman Street 3 bd · 2 ba · 700 sqft
11 Forest Avenue 4 bd · 2 ba · 1,500 sqft

92 Forest Avenue
3 bd · 3 ba · 2,000 sqft
54 St Catharine Street
3 bd · 2 ba · 1,100 sqft
55 East Street
5 bd · 2 ba · 2,000 sqft
15 Wilson Avenue
3 bd · 2 ba · 1,500 sqft
35 Inkerman Street
3 bd · 2 ba · 700 sqft
11 Forest Avenue
4 bd · 2 ba · 1,500 sqft

Living in St. Thomas: Location & Amenities

Transit, schools, parks and everyday places near this home. Select any place to open it on Google Maps.

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MLS® X12660250

Listing data comes from the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but not guaranteed. Shown on Summitly by Coldwell Banker Summit Realty, Brokerage, which is not the listing brokerage. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. © 2026 Toronto Regional Real Estate Board. All rights reserved.

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.

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4 Bed, 2 Bath Duplex in St. Thomas

About 12 Weldon Avenue

The listing remarks and room-by-room details of sold and leased homes are available to signed-in members.

4 bedrooms, 2 bathrooms, about 1,500 sq ft. Chat with Zara if you'd like a deeper read on whether this duplex fits your budget and timing.

Inside 12 Weldon Ave

Every detail from the listing, in one place.

Type: Duplex
Style: 2-Storey
Living space: 1500-2000 sq ftas stated on the listing
Parking: 6 spaces
Basement: Full, Finished

Features & systems

Parking & garage

Parking spaces: 6

Interior

Basement: Full · Finished

Lot & land

Lot size (sqft): 0

Listing & possession

Property style: 2-Storey
Property class: Duplex

How 12 Weldon Ave Compares to the St. Thomas Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

Sold

What's selling nearby

Sold prices and dates are shown free to signed-in members, as MLS® rules require. Zara doesn't publish an estimate for a home that has sold.

What's my home worth?Ask an agent

St. Thomas market, last 90 days

Median sold price: $525,000
Average sold price: $538,353
Average days on market: 47
Homes sold: 249

Closed sales on the TRREB MLS®.

Full St. Thomas market report

Market pulse · St. Thomas

St. Thomas market

Median sold price$525,000Last 90 days
Average days on market47Homes sold in about 47 days on average.
Sale-to-list ratio97.8%On average, homes sold below asking.
Active listings240Homes for sale here right now.
Median vs prior 90 days−4.2%Compared with Apr 15 – Jul 14, 2026: prices down.

Based on 249 sales from Jul 14 – Oct 12, 2026 (152 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.

Recently sold nearby in St. Thomas

Sold prices are shown free to signed-in members, as board rules require.

6 nearby sales vs. this home

Closed sales from MLS®, compared with this home's asking price.

See what these homes actually sold for

Free with a Summitly account. Sign in once and sold prices unlock across the site.

Home	Sold price	$ / sqft	% of asking	Sold
This home12 Weldon Avenue 4 bd · 2 ba · 1,500 sqft	—asking	—	—	—
92 Forest Avenue 3 bd · 3 ba · 2,000 sqft
54 St Catharine Street 3 bd · 2 ba · 1,100 sqft
55 East Street 5 bd · 2 ba · 2,000 sqft
15 Wilson Avenue 3 bd · 2 ba · 1,500 sqft
35 Inkerman Street 3 bd · 2 ba · 700 sqft
11 Forest Avenue 4 bd · 2 ba · 1,500 sqft

92 Forest Avenue
3 bd · 3 ba · 2,000 sqft
54 St Catharine Street
3 bd · 2 ba · 1,100 sqft
55 East Street
5 bd · 2 ba · 2,000 sqft
15 Wilson Avenue
3 bd · 2 ba · 1,500 sqft
35 Inkerman Street
3 bd · 2 ba · 700 sqft
11 Forest Avenue
4 bd · 2 ba · 1,500 sqft

Questions About 12 Weldon Ave

How much did 12 Weldon Ave sell for?

The sold price is available to signed-in members. Under Toronto Regional Real Estate Board rules, sold prices are shown only to registered users who confirm they are a bona fide consumer — sign in free on this page to see it.

How many bedrooms and bathrooms does 12 Weldon Ave have?

12 Weldon Ave has 4 bedrooms and 2 bathrooms, with about 1,500–2,000 square feet of living space. It is a duplex in St. Thomas.

Has 12 Weldon Ave been sold before?

Summitly has no earlier MLS® sale or lease of 12 Weldon Ave on record from the last two years. Older records aren't shown under TRREB rules.

Where is 12 Weldon Ave?

12 Weldon Ave is in St. Thomas, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.

Does 12 Weldon Ave have parking or a garage?

Yes — the listing gives 6 parking spaces.

Does 12 Weldon Ave have a basement, and is it finished?

The listing describes the basement as: Full, Finished.

What is the property tax for 12 Weldon Ave?

The listing for 12 Weldon Ave doesn't publish the annual property tax. The property tax calculator linked at the foot of this page gives an estimate for St. Thomas.

When was 12 Weldon Ave built?

The listing for 12 Weldon Ave doesn't publish a year built. A Summitly agent can ask the listing brokerage for it.