Sarnia, ON · · MLS® X14154344Updated
$299,900Est. $1,473/mo mortgage
139 Forsyth St S is a 4-bedroom, 2-bathroom triplex in Sarnia, listed for $299,900. It has 1500-2000 sq ft of living space.
Coldwell Banker Summit Realty, BrokerageZara is an AI virtual agent. Advisors are licensed REALTORS® at Coldwell Banker Summit Realty, Brokerage.
Spacious tri-plex available under power of sale. Property sold "as is where is" with no warranties. Main floor and basement are vacant and require renovations. 2nd floor is tenanted. Close to downtown and all amenities. A Great opportunity for investors looking to add a multi-unit property to their portfolio..
4 bedrooms, 2 bathrooms, about 1,500 sq ft, works out to roughly $200 per square foot. Chat with Zara if you'd like a deeper read on whether this triplex fits your budget and timing.
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Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
Zara’s estimate
Summitly estimate, not from TRREB, the MLS® or the listing brokerage. Not an appraisal. How it works
Closed sales on the TRREB MLS®.
Full Sarnia market reportTransit, schools, parks and everyday places near this home. Select any place to open it on Google Maps.
What it could cost each month, today's rates from our mortgage partner, and what it could return as a rental.
Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.
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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.
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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Listing brokerage: SULLIVAN REAL ESTATE BROKERAGE, INC.MLS® X14154344 · Listing data last updated
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.
Homes for sale in Sarnia
Every active Sarnia MLS® listing, updated all day.
Curated MLS® searches this property belongs to — same city, same shape of home.
Based on 19 sales from Aug 8 – Nov 6, 2026 (28 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
139 Forsyth St S is listed at $299,900 (MLS® X14154344). Summitly updates the price as soon as the MLS® record changes.
Summitly rates it Excellent Deal: the asking price is 10% or more below Zara's estimate, an estimate built from recent sales in Sarnia. 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
No — 139 Forsyth St S is still listed at its original asking price of $299,900.
139 Forsyth St S has 4 bedrooms and 2 bathrooms, with about 1,500–2,000 square feet of living space. It is a triplex in Sarnia.
About $1,473 a month — principal and interest on $299,900 with 20% down ($59,980), 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.
Its asking price of $299,900 is about 25% below the median sold price in Sarnia over the last 90 days, $400,000, across 19 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.
Summitly has no earlier MLS® sale or lease of 139 Forsyth St S on record from the last two years. Older records aren't shown under TRREB rules.
139 Forsyth St S is in Sarnia, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
1 day — 139 Forsyth St S was listed on November 5, 2026.
About $150 to $200 per square foot: the asking price of $299,900 over the 1,500–2,000 sq ft the listing gives as its size range.
Yes — the listing gives 3 parking spaces.
The listing describes the basement as: Partially Finished.
