21 Pine St S is a 5-bedroom, 2-bathroom duplex in Thorold, listed for $849,900. It has 1500-2000 sq ft of living space.
1Set in the heart of downtown Thorold, this 63 x 165 ft lot offers a rare combination of income now with a Reno and long-term upside.
2The property includes a legal duplex and a large detached 3 car garage with shop.
3Once renovated, the current structures are positioned to generate great rental income and the R3 zoning and generous lot size leave room for future redevelopment.
RARE OPPORTUNITY: Large downtown Thorold site with renovation income now and major development potential later! Set in the heart of downtown Thorold, this 63 x 165 ft lot offers a rare combination of income now with a Reno and long-term upside. The property includes a legal duplex and a large detached 3 car garage with shop. Once renovated, the current structures are positioned to generate great rental income and the R3 zoning and generous lot size leave room for future redevelopment. Walking distance to restaurants, shops, schools, parks, and amenities. Buyer to confirm permitted uses, density, height, servicing, and approvals with the City of Thorold. Seller makes no representation or warranty regarding renovation costs, rental income, or future development potential.
5 bedrooms, 2 bathrooms, about 1,500 sq ft, works out to roughly $567 per square foot. Chat with Zara if you'd like a deeper read on whether this duplex fits your budget and timing.
Inside 21 Pine St S
Every detail from the listing, in one place.
Type
Duplex
Style
2-Storey
Living space
1500-2000 sq ftas stated on the listing
Lot size
165 x 630.25 sq ft
Parking
11 spacesYes garage
Basement
Unfinished
Features & systems
Parking & garage
Garage
Yes
Parking spaces
11
Interior
Basement
Unfinished
Lot & land
Lot dimensions
165 x 63
Lot size (sqft)
0.25
Listing & possession
Property style
2-Storey
Property class
Duplex
21 Pine St S Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
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
$4,175
/mo
based on the purchase price of $849,900
$169,980 cash
$679,920 financed
$572,671 total interest
Principal54%$679,920
Interest46%$572,671
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.
Keep looking near 21 Pine St S
Homes for sale in Thorold
Every active Thorold MLS® listing, updated all day.
Average days on market41Homes sold in about 41 days on average.
Sale-to-list ratio97.1%On average, homes sold below asking.
Active listings212Homes for sale here right now.
Median vs prior 90 days−6.4%Compared with Apr 26 – Jul 25, 2026: prices down.
Based on 117 sales from Jul 25 – Oct 23, 2026 (123 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 21 Pine St S
How much is 21 Pine St S listed for?
21 Pine St S is listed at $849,900 (MLS® X14109666). Summitly updates the price as soon as the MLS® record changes.
Is $849,900 a good price for 21 Pine St S?
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in Thorold. 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 21 Pine St S changed?
Yes — it was first listed at $799,900 and is now $849,900, an increase of $50,000 (6.3%).
How many bedrooms and bathrooms does 21 Pine St S have?
21 Pine St S has 5 bedrooms and 2 bathrooms, with about 1,500–2,000 square feet of living space. It is a duplex in Thorold.
How much would the monthly mortgage be on 21 Pine St S?
About $4,175 a month — principal and interest on $849,900 with 20% down ($169,980), 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 21 Pine St S compare with other homes in Thorold?
Its asking price of $849,900 is about 50% above the median sold price in Thorold over the last 90 days, $566,000, across 117 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 21 Pine St S been sold before?
Summitly has no earlier MLS® sale or lease of 21 Pine St S on record from the last two years. Older records aren't shown under TRREB rules.
Where is 21 Pine St S?
21 Pine St S is in Thorold, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 21 Pine St S been on the market?
21 Pine St S was listed today (October 23, 2026).
What is the price per square foot of 21 Pine St S?
About $425 to $567 per square foot: the asking price of $849,900 over the 1,500–2,000 sq ft the listing gives as its size range.
Does 21 Pine St S have parking or a garage?
Yes — the listing gives 11 parking spaces. Garage: Yes.
Does 21 Pine St S have a basement, and is it finished?
The listing describes the basement as: Unfinished.
