18 Robinson St is a 4-bedroom, 2-bathroom detached home in St. Marys, listed for $725,000. It has 2000-2500 sq ft of living space.
1This 4 bedroom, 2 bathroom home features incredible curb appeal with breathtaking gardens.
2Just one of the many highlights is that there are 2 primary bedroom options, with one located on the main floor, adjacent to the fully renovated 3-piece bath.
3The second floor is home to the other primary, featuring double closets and semi ensuite access to the second floor full bathroom.
Remarkable on Robinson! Stunning century home with all of the modern conveniences, located just steps to the 'Little Falls', The Loop trails and beautiful downtown St. Marys. This 4 bedroom, 2 bathroom home features incredible curb appeal with breathtaking gardens. Just one of the many highlights is that there are 2 primary bedroom options, with one located on the main floor, adjacent to the fully renovated 3-piece bath. The second floor is home to the other primary, featuring double closets and semi ensuite access to the second floor full bathroom. Two additional second floor bedrooms, as well as a charming window nook complete the second floor. The main floor renovation was completed in 2023, showcasing an incredible kitchen with oversized island, vaulted ceilings with beam detailing, custom cabinetry, cozy dining nook, huge mud room, laundry room with pantry and lovely access to the rear yard and patio. The exterior is really something out of a magazine, with the welcoming front porch, the fully fenced rear yard with 2 garden sheds and incredible privacy. For more information or to set up a private showing, contact your favourite REALTOR!
4 bedrooms, 2 bathrooms, about 2,000 sq ft, works out to roughly $363 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 18 Robinson St
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
2000-2500 sq ftas stated on the listing
Parking
3 spaces
Basement
Partial Basement, Unfinished
Features & systems
Parking & garage
Parking spaces
3
Interior
Basement
Partial Basement · Unfinished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
18 Robinson St Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X14101840$725,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 18 Robinson St Compares to the St. Marys Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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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
$3,562
/mo
based on the purchase price of $725,000
$145,000 cash
$580,000 financed
$488,512 total interest
Principal54%$580,000
Interest46%$488,512
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.
Similar homes for sale nearby in St. Marys
Other 3–4 bed homes for sale in St. Marys around $725K.
Average days on market69Homes sold in about 69 days on average.
Sale-to-list ratio97.5%On average, homes sold below asking.
Active listings68Homes for sale here right now.
Median vs prior 90 days+6.1%Compared with Apr 24 – Jul 23, 2026: prices up.
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.
Questions About 18 Robinson St
How much is 18 Robinson St listed for?
18 Robinson St is listed at $725,000 (MLS® X14101840). Summitly updates the price as soon as the MLS® record changes.
Is $725,000 a good price for 18 Robinson St?
Summitly rates it Excellent Deal: the asking price is 10% or more below 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
Has the price of 18 Robinson St changed?
No — 18 Robinson St is still listed at its original asking price of $725,000.
How many bedrooms and bathrooms does 18 Robinson St have?
18 Robinson St has 4 bedrooms and 2 bathrooms, with about 2,000–2,500 square feet of living space. It is a detached home in St. Marys.
How much would the monthly mortgage be on 18 Robinson St?
About $3,562 a month — principal and interest on $725,000 with 20% down ($145,000), 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 18 Robinson St compare with other homes in St. Marys?
Its asking price of $725,000 is about 26% 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.
Has 18 Robinson St been sold before?
Summitly has no earlier MLS® sale or lease of 18 Robinson St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 18 Robinson St?
18 Robinson St is in St. Marys, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 18 Robinson St been on the market?
18 Robinson St was listed today (October 21, 2026).
What is the price per square foot of 18 Robinson St?
About $290 to $363 per square foot: the asking price of $725,000 over the 2,000–2,500 sq ft the listing gives as its size range.
Does 18 Robinson St have parking or a garage?
Yes — the listing gives 3 parking spaces.
Does 18 Robinson St have a basement, and is it finished?
The listing describes the basement as: Partial Basement, Unfinished.
