St. Marys, ON · · MLS® X13413768Updated
$849,900Est. $4,175/mo mortgage
87 St Andrew St N is a 3-bedroom, 1-bathroom detached home in St. Marys, listed for $849,900. It has 1100-1500 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.
Welcome to one of St. Marys' most unique and sought-after properties. Tucked away at the end of a quiet dead-end road, this rare offering sits on an impressive 0.86-acre lot, providing an unmatched combination of privacy, space, and future potential-all within town limits.This well-maintained 1.5-storey home features 3 bedrooms and 1 bathroom, a gourmet kitchen with custom Frayne Cabinets, offering comfortable living with timeless charm and pride of ownership evident throughout. The home's functional layout is ideal for families, first-time buyers, or anyone seeking a peaceful setting with room to grow.What truly sets this property apart is its exceptional development potential. Current there is potential to provide the opportunity to add up to a 450 sq. ft. addition to the existing home, as well as a detached 500 sq. ft. shop-an incredibly rare opportunity in a location like this. Whether you're dreaming of expanding your living space, creating a home-based business setup, workshop, hobby space, or additional storage, the possibilities are endless.The expansive lot offers plenty of room to enjoy outdoor living, gardening, entertaining, or simply taking in the serene surroundings. Properties of this size and setting rarely become available in St. Marys, making this a truly one-of-a-kind opportunity.Don't miss your chance to own a private retreat with future potential in one of St. Marys' most desirable and unique locations. 87 St Andrew St N consists of 4 lots that are 50 feet x 150 feet. There is an additional 50 feet x 152 feet lot to the south that is also included in the purchase price.
3 bedrooms, 1 bathroom, about 1,100 sq ft, works out to roughly $773 per square foot. Chat with Zara if you'd like a deeper read on whether this detached 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 St. Marys market reportSold prices are shown free to signed-in members, as board rules require.
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296 Glass Street
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10 Dunsford Crescent
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94 Wilson Court
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94 William Street
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29 Dunsford Crescent
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6 nearby sales vs. this home
Closed sales from MLS®, compared with this home's asking price.
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| Home | Sold price | $ / sqft | % of asking | Sold |
|---|---|---|---|---|
This home87 St Andrew Street N 3 bd · 1 ba · 1,100 sqft | $849,900asking | $773 | — | — |
| 296 Glass Street 4 bd · 3 ba · 1,100 sqft | ||||
| 138 Millson Crescent 3 bd · 3 ba · 1,100 sqft | ||||
| 10 Dunsford Crescent 3 bd · 2 ba · 700 sqft | ||||
| 94 Wilson Court 4 bd · 3 ba · 2,000 sqft | ||||
| 94 William Street 3 bd · 2 ba · 700 sqft | ||||
| 29 Dunsford Crescent 3 bd · 2 ba · 1,100 sqft |
4 bd · 3 ba · 1,100 sqft
3 bd · 3 ba · 1,100 sqft
3 bd · 2 ba · 700 sqft
4 bd · 3 ba · 2,000 sqft
3 bd · 2 ba · 700 sqft
3 bd · 2 ba · 1,100 sqft
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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.
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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: Benchmark Real Estate Services Canada Inc., BrokerageMLS® X13413768 · 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.
Other 3–5 bed homes for sale in St. Marys around $850K.
Homes for sale in St. Marys
Every active St. Marys MLS® listing, updated all day.
Curated MLS® searches this property belongs to — same city, same shape of home.
Based on 45 sales from Jul 23 – Oct 21, 2026 (36 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
87 St Andrew St N is listed at $849,900 (MLS® X13413768). Summitly updates the price as soon as the MLS® record changes.
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in St. Marys. 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 — 87 St Andrew St N is still listed at its original asking price of $849,900.
87 St Andrew St N has 3 bedrooms and 1 bathroom, with about 1,100–1,500 square feet of living space. It is a detached home in St. Marys.
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.
Its asking price of $849,900 is about 48% above the median sold price in St. Marys over the last 90 days, $574,000, across 45 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 87 St Andrew St N on record from the last two years. Older records aren't shown under TRREB rules.
87 St Andrew St N is in St. Marys, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
138 days — 87 St Andrew St N was listed on June 5, 2026.
About $567 to $773 per square foot: the asking price of $849,900 over the 1,100–1,500 sq ft the listing gives as its size range.
Yes — the listing gives 4 parking spaces.
The listing describes the basement as: Unfinished.
