DetachedListed today

349 Siena Crt, Oshawa

Name: 349 Siena Court
SKU: E14151844
Price: 825000 CAD
Availability: InStock

Oshawa, ON · · MLS® E14151844Updated November 5, 2026

$825,000Est. $4,053/mo mortgage

Bedrooms: 4
Bathrooms: 2
Living space: 1500–2000sq ft
Parking spaces: 6

Type Detached
Lot 37.71 × 0.00 Feet (54.74 X147.50 X 37.71 X 102.77 X 31.05)
Garage Yes
Basement Finished

What you should know

349 Siena Crt is a 4-bedroom, 2-bathroom detached home in Oshawa, listed for $825,000. It has 1500-2000 sq ft of living space.

Nestled in one of Oshawa's most desirable, family-centric communities, this beautifully maintained 4-bedroom, 4-bathroom residence offers impressive space across all three finished levels.
Cooking and gathering are a joy in the updated kitchen, complete with premium quartz countertops and stainless steel appliances.
Enjoy peaceful mornings on the expansive deck or relax in the fully fenced yard framed by mature greenery.

Ask Zara:

4 Bed, 2 Bath Detached Home in Oshawa

About 349 Siena Court

Nestled in one of Oshawa's most desirable, family-centric communities, this beautifully maintained 4-bedroom, 4-bathroom residence offers impressive space across all three finished levels. The main level welcomes you with hardwood floors, California shutters, and a seamless open-concept flow between the living and dining rooms. Cooking and gathering are a joy in the updated kitchen, complete with premium quartz countertops and stainless steel appliances. Outdoors, your private summer haven awaits. Enjoy peaceful mornings on the expansive deck or relax in the fully fenced yard framed by mature greenery. With a fully finished basement rec room, a serene primary suite, and immediate proximity to the 401, 407, Oshawa Centre, and Trent University, this home truly has it all.

4 bedrooms, 2 bathrooms, about 1,500 sq ft, works out to roughly $550 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.

Inside 349 Siena Crt

Every detail from the listing, in one place.

Type: Detached
Style: 2-Storey
Living space: 1500-2000 sq ftas stated on the listing
Lot size: 37.71 x 0.00 Feet (54.74 X147.50 X 37.71 X 102.77 X 31.05)
Parking: 6 spacesYes garage
Basement: Finished

Features & systems

Parking & garage

Garage: Yes
Parking spaces: 6

Interior

Basement: Finished

Lot & land

Lot dimensions: 37.71 x 0.00 Feet (54.74 X147.50 X 37.71 X 102.77 X 31.05)
Lot size (sqft): 0
Lot features: Irregular Lot

Listing & possession

Property style: 2-Storey
Property class: Detached

349 Siena Crt Price & Sale History

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

Nov 5, 2026For saleListedThis listingMLS® E14151844$825,000

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

What's it worth?

How 349 Siena Crt Compares to the Oshawa Market

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

Zara’s estimate

Good Deal· based on 1,204 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

Oshawa market, last 90 days

Median sold price: $650,000
Average sold price: $691,772
Average days on market: 29
Homes sold: 674

Closed sales on the TRREB MLS®.

Full Oshawa market report

Recently sold nearby in Oshawa

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 home349 Siena Court 4 bd · 2 ba · 1,500 sqft	$825,000asking	$550	—	—
786 Mary Street 3 bd · 2 ba · 1,100 sqft
407 Glencastle Avenue 3 bd · 1 ba · 700 sqft
488 Cromwell Avenue 3 bd · 2 ba · 700 sqft
333 CADILLAC Avenue 3 bd · 1 ba · 1,100 sqft
72 Cadillac Avenue 4 bd · 3 ba · 1,500 sqft
828 Wildflower Court 3 bd · 2 ba · 2,000 sqft

786 Mary Street
3 bd · 2 ba · 1,100 sqft
407 Glencastle Avenue
3 bd · 1 ba · 700 sqft
488 Cromwell Avenue
3 bd · 2 ba · 700 sqft
333 CADILLAC Avenue
3 bd · 1 ba · 1,100 sqft
72 Cadillac Avenue
4 bd · 3 ba · 1,500 sqft
828 Wildflower Court
3 bd · 2 ba · 2,000 sqft

Living in Oshawa: Location & Amenities

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

Costs, Mortgage & Rental Return for 349 Siena Crt

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

Mortgage: $4,053; 20% down · 25 years · 5.5% assumed
Property tax: $454; 0.66% mill rate · ON
Total per month: $4,507; 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

$4,053

/mo

based on the purchase price of $825,000

Down payment20%

$165,000 cash

Amortization25 yr

$660,000 financed

Rate5.50%

$555,893 total interest

Principal54%$660,000

Interest46%$555,893

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.

For homeowners nearby

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Listing brokerage: RE/MAX REALTRON REALTY INC., BrokerageMLS® E14151844 · Listing data last updated November 5, 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 Nov 4· $550/sq ft

Estimated monthly mortgage$4,053/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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