DetachedOn market 108 days

129 Mountain St, Leeds and the Thousand Islands

Name: 129 Mountain Street
SKU: X13566782
Price: 409900 CAD
Availability: InStock

Leeds and the Thousand Islands, ON · · MLS® X13566782Updated July 15, 2026

$409,900Est. $2,014/mo mortgage

Bedrooms: 3
Bathrooms: 1
Living space: 1100–1500sq ft
Parking spaces: 2

Type Detached
Basement Unfinished, Walk-Out

What you should know

129 Mountain St is a 3-bedroom, 1-bathroom detached home in Leeds and the Thousand Islands, listed for $409,900. It has 1100-1500 sq ft of living space.

Escape to the peace and privacy of country living with this charming 3-bedroom, 1-bathroom home, perfectly situated on a spacious rural property.
The unfinished walkout basement provides excellent storage and a workshop area.
Whether you're gardening, entertaining, or simply enjoying the fresh country air, this property offers the ideal balance of comfort, space, and privacy.

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3 Bed, 1 Bath Detached Home in Leeds and the Thousand Islands

About 129 Mountain Street

Escape to the peace and privacy of country living with this charming 3-bedroom, 1-bathroom home, perfectly situated on a spacious rural property. Warm and inviting, the home offers a bright and functional layout, making it an excellent choice for families, first-time buyers, or anyone looking to enjoy the tranquility of the countryside. Designed for year-round comfort, the home features central air conditioning and a forced-air propane furnace to keep you comfortable through every season. The unfinished walkout basement provides excellent storage and a workshop area. Outside, you'll find plenty of room to enjoy the outdoors, complete with a storage shed/workshop that's perfect for hobbies, tools, or equipment. Gather with family and friends around the outdoor fire pit, relax under the stars, and take in the peaceful rural setting. Whether you're gardening, entertaining, or simply enjoying the fresh country air, this property offers the ideal balance of comfort, space, and privacy. Conveniently located within an easy drive of nearby amenities while offering the serenity of country living, this property is a wonderful opportunity to embrace the rural lifestyle. Don't miss your chance to make this charming country home your own.

3 bedrooms, 1 bathroom, about 1,100 sq ft, works out to roughly $373 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.

Inside 129 Mountain St

Every detail from the listing, in one place.

Type: Detached
Style: 1 1/2 Storey
Living space: 1100-1500 sq ftas stated on the listing
Parking: 2 spaces
Basement: Unfinished, Walk-Out

Features & systems

Parking & garage

Parking spaces: 2

Interior

Basement: Unfinished · Walk-Out

Lot & land

Lot size (sqft): 0

Listing & possession

Property style: 1 1/2 Storey
Property class: Detached

129 Mountain St Price & Sale History

Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.

Jul 15, 2026For saleListedThis listingMLS® X13566782$409,900

Sourced from MLS®. Includes earlier listings of this property on record.

What's it worth?

How 129 Mountain St Compares to the Leeds and the Thousand Islands Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

Zara’s estimate

Excellent Deal· based on 59 recent sales

Value your own home →How accurate are Zara’s estimates?

Summitly estimate, not from TRREB, the MLS® or the listing brokerage. Not an appraisal. How it works

Leeds and the Thousand Islands market, last 90 days

Median sold price: $560,000
Average sold price: $592,155
Average days on market: 62
Homes sold: 41

Closed sales on the TRREB MLS®.

Full Leeds and the Thousand Islands market report

Recently sold nearby in Leeds and the Thousand Islands

Sold prices are shown free to signed-in members, as board rules require.

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 home129 Mountain Street 3 bd · 1 ba · 1,100 sqft	$409,900asking	$373	—	—
3248 Highway 32 Highway 3 bd · 1 ba · 1,100 sqft
106 Yardarm Lane 3 bd · 2 ba · 1,100 sqft
65 Rose Island Lane 3 bd · 4 ba · 2,500 sqft
3360-A County Road 3 Road 3 bd · 3 ba · 2,500 sqft
25 Vanston Road 3 bd · 2 ba · 2,000 sqft
1 77D & 77E Island 2 bd · 1 ba · 700 sqft

3248 Highway 32 Highway
3 bd · 1 ba · 1,100 sqft
106 Yardarm Lane
3 bd · 2 ba · 1,100 sqft
65 Rose Island Lane
3 bd · 4 ba · 2,500 sqft
3360-A County Road 3 Road
3 bd · 3 ba · 2,500 sqft
25 Vanston Road
3 bd · 2 ba · 2,000 sqft
1 77D & 77E Island
2 bd · 1 ba · 700 sqft

Living in Leeds and the Thousand Islands: Location & Amenities

Transit, schools, parks and everyday places near this home. Select any place to open it on Google Maps.

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How long is your commute?

From 129 Mountain St. Typical times without traffic delays; transit times aren't available yet.

Costs, Mortgage & Rental Return for 129 Mountain St

What it could cost each month, today's rates from our mortgage partner, and what it could return as a rental.

Mortgage: $2,014; 20% down · 25 years · 5.5% assumed
Property tax: $225; 0.66% mill rate · ON
Total per month: $2,239; Before utilities, insurance and fees

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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Monthly cost

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Down payment

Rate (%)

Years

An estimate, not a quote. Utilities and insurance are extra.

Affordability calculator

Estimated monthly payment

$2,014

/mo

based on the purchase price of $409,900

Down payment20%

$81,980 cash

Amortization25 yr

$327,920 financed

Rate5.50%

$276,195 total interest

Principal54%$327,920

Interest46%$276,195

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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Listing brokerage: CENTURY 21 KEYES REAL ESTATE LTD., BROKERAGEMLS® X13566782 · Listing data last updated July 15, 2026

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.

For sale· listed Jul 14· $373/sq ft

Estimated monthly mortgage$2,014/moMortgage only · 20% down · 5.5% assumed

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5.0 · Google rating for Coldwell Banker Summit Realty, Brokerage · as of September 2026

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