3 St Mary's Street, Rideau Lakes, ON K0G 1V0
818 - Rideau Lakes (Bastard) Twp, Rideau Lakes · Near St. Mary's St / Colborne St · View map
About this home
Welcome to 3 St. Mary's Street in the heart of Portland, a charming century home that blends timeless character with thoughtful modern updates. Set on a generous lot with established gardens, this detached 2-storey home offers four bedrooms, two bathrooms, warm and inviting living spaces, and a bright sunroom with a fireplace, perfect for relaxing year-round.The home has been extensively updated with a new electrical panel, recessed lighting, updated switches and receptacles, a heat pump, new gutters, updated appliances, fresh paint throughout, new upstairs carpeting, custom closet storage in the primary bedroom, and new flooring in the sunroom. Additional improvements include a new driveway, paving stones at the front deck, updated doors, new toilets, a replaced sump pump, and a generator connection.Outside, enjoy established gardens, ample yard space, and a detached garage/barn offering excellent storage and versatility. High-speed fibre internet adds everyday convenience. Best of all, you're just steps from Big Rideau Lake, one of the Rideau Lakes region's most sought-after destinations for boating, swimming, fishing and endless days on the water. Walk to local marinas and restaurants, and enjoy everything that makes Portland such a special waterfront village. Newer community amenities include Portland Hall and library, opened in 2025, as well as a new daycare in the village. Enjoy an easy commute to Kingston in approximately 45 minutes, with Smiths Falls only about 20 minutes away.
The home
- Type
- 2-storey detached home
- Style
- 2-Storey
- Square footage
- 2500-3000 sq ft
- Bedrooms
- 4
- Bathrooms
- 2
- Kitchens
- 1
- Rooms
- 13
- Basement
- Unfinished
- Lot size
- 89.9 x 119.3 ft
- Faces
- West
- Approximate age
- 100+ years
Ownership & fees
- Ownership
- Freehold
- Monthly condo fee
- None
- Exterior
- Vinyl Siding
Heating & cooling
- Heating fuel
- Electric
- Heating type
- Heat Pump
- Air conditioning
- Central Air
- Fireplace
- Yes
Garage & parking
- Garage
- Detached
- Driveway spaces
- 3
- Total parking
- 3
Taxes & other
- Property taxes
- $3,081/yr
- Tax year
- 2026
- Occupancy
- Owner
- Possession
- Flexible
- Cross street
- St. Mary's St / Colborne St
- Neighbourhood
- 818 - Rideau Lakes (Bastard) Twp
More
- Price per sq ft
- ~$218 (at 2,750 sq ft)
- MLS® number
- X13722670
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The home and its surroundings
- Sump Pump
- Water Heater
- Water Softener
- Water Treatment
- Mortgage
- Property tax
- Maintenance fee
Cash needed to close
Estimates only, using Canadian semi-annual compounding, Ontario land transfer tax. Mortgage default insurance is added when you put down less than 20%. Your lender and lawyer will confirm exact numbers.
3 St Mary's Street, Rideau Lakes, ON K0G 1V0
818 - Rideau Lakes (Bastard) Twp, Rideau Lakes · Near St. Mary's St / Colborne St
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Listing history for 3 St Mary's Street
See what this home and others at the same address were listed for, what they sold for, and how long it took.
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Frequently asked questions about 3 St Mary's Street
Answers come straight from this home’s MLS® listing.
How much is 3 St Mary's Street listed for, and what would it cost each month?
3 St Mary's Street is listed for $599,999. With 20% down ($120,000), the mortgage payment would be roughly $2,420 a month at 4.5% over 30 years. Add property tax and the estimate comes to about $2,677 a month, all in. That figure is an illustration, not a quote.
Is 3 St Mary's Street freehold or a condo, and is there a monthly fee?
3 St Mary's Street is a 2-storey detached home in 818 - Rideau Lakes (Bastard) Twp, Rideau Lakes. Ownership is freehold: you own the home and the lot. There is no monthly condo fee, so the roof, windows, driveway, snow and lawn are yours to look after.
How many bedrooms and bathrooms does 3 St Mary's Street have?
3 St Mary's Street has 4 bedrooms and 2 bathrooms.
Does 3 St Mary's Street have a garage and parking?
Yes. The listing shows the garage as detached. The driveway adds 3 spaces. In total the listing counts 3 parking spaces.
Does 3 St Mary's Street have a finished basement?
The listing describes the basement as unfinished.
What style of home is 3 St Mary's Street?
3 St Mary's Street is a 2-storey detached home. A 2-storey detached house has its living space on the main floor and the bedrooms upstairs, on its own lot with no shared walls.
How big is 3 St Mary's Street, and what is the lot size?
The listing puts the home between 2,500 and 3,000 sq ft. The board reports a range rather than an exact figure, and it usually leaves out the basement. The lot is listed as 89.9 x 119.3 ft.
How is 3 St Mary's Street heated and cooled?
Heating is heat pump (electric). Cooling is central air.
What are the property taxes for 3 St Mary's Street?
Property taxes are $3,081 a year (2026), or about $257 a month.
Where is 3 St Mary's Street?
3 St Mary's Street is in the 818 - Rideau Lakes (Bastard) Twp community of Rideau Lakes. The nearest main intersection is St. Mary's St / Colborne St. The postal code is K0G 1V0.
Is 3 St Mary's Street still for sale?
Yes. It is an active listing (MLS® X13722670). Listings here update from the board through the day and come down once a home sells.
What are similar detached homes near 3 St Mary's Street asking?
Similar detached homes for sale nearby right now include 13 King Street at $499,900 (4 bed), 1462 COUNTY ROAD 8 at $725,000 (4 bed) and 66 King Street at $535,000 (3 bed). These are asking prices, not sold prices. The Sold history tab shows what homes at this address went for.
What have homes at 3 St Mary's Street sold for?
Recent sales, leases and expired listings for this home and others at the same address are in the Sold history tab, with the price and date of each. It is free for members.
How do I book a showing at 3 St Mary's Street?
Pick a day and time with Book a Tour on this page. Tours are free, with no obligation, in person or by video. You can also call or text 647-931-3923.
Have a different question? Ask about this home and get an answer, usually within the hour.
Similar detached homes nearby
More detached homes for sale near 818 - Rideau Lakes (Bastard) Twp, picked by style, size and price.
2-storey detached home$499,90013 King Street, Rideau Lakes4 bed · 4 bath · 818 - Rideau Lakes (Bastard) TwpCourtesy of: ROYAL LEPAGE PROALLIANCE REALTYView home →
2-storey detached home$725,0001462 COUNTY ROAD 8, Rideau Lakes4 bed · 2 bath · 818 - Rideau Lakes (Bastard) TwpCourtesy of: ROYAL LEPAGE PROALLIANCE REALTY, BROKERAGEView home →
2-storey detached home$535,00066 King Street, Rideau Lakes3 bed · 2 bath · 818 - Rideau Lakes (Bastard) TwpCourtesy of: PG DIRECT REALTY LTD.View home →Courtesy of: ENGEL & VOLKERS OTTAWA
Listing information comes from the Toronto Regional Real Estate Board through PropTx and is deemed reliable but is not guaranteed accurate. It is provided for consumers' personal, non-commercial use. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA.
*Estimated monthly cost assumes 20% down, a 4.5% rate and a 30-year amortization, plus property tax. For illustration only.