
Marlin Spring Developments
250 Harmony Road South, Donevan, Oshawa, Ontario
Symphony Towns is a 58-home townhouse community in Oshawa's Donevan neighbourhood, built by Marlin Spring Developments. Homes start at roughly $932,000, and with the project now complete and occupied, it offers move-in-ready living rather than a long pre-construction wait.
The scale suits buyers who want the privacy of a townhome without the upkeep of a detached lot. It's a practical fit for families and first-time owners drawn to east Oshawa's quieter residential streets and relative affordability within the GTA's eastern edge.
Day-to-day errands are close at hand: a FreshCo grocery store is about a three-minute drive away, roughly 1.1 km from home. Families are well served too, with Clara Hughes Public School a seven-minute walk of about half a kilometre.
Green space is one of Donevan's strengths. Harmony Village Park is a three-minute stroll, and Knights of Columbus Park sits nearby, giving residents easy access to playgrounds and open ground. The surrounding neighbourhood is established and largely residential, with mature streets and a settled, family-oriented feel.
Oshawa is anchored by Highway 401, which runs along the city's south end and links commuters west toward Toronto and east into Durham Region. The 407 ETR extension to the north adds another option for drivers heading across the GTA.
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For transit riders, the Oshawa GO station on the Lakeshore East line provides rail service into Union Station, and Durham Region Transit operates local bus routes throughout the city. The Donevan area keeps residents within reach of both highway and rail connections.
Hospitals
Shopping
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Nearby places and straight-line distances from public map data (OpenStreetMap).
Marlin Spring Developments is a Toronto-based builder active across low-rise and high-rise housing in the Greater Toronto Area and beyond. The firm has delivered a range of townhome and condominium communities, and Symphony Towns reflects its focus on attainable family housing in growing suburban markets.
Buying a pre-construction townhome in Ontario usually begins with registering your interest so you receive first access when a release opens. Early registrants are often invited to review floor plans and pricing before broader public sales, which can matter when a limited number of homes — here, 58 in total — are available.
Deposits on new homes are typically staged over time rather than paid all at once, with the structure set by the builder. For freehold townhomes like these, the purchase generally moves toward a single closing on your home rather than the interim occupancy period associated with new condominiums, and the 10-day statutory cooling-off period that applies to new condo purchases does not apply the same way to freehold agreements.
Because specifics such as deposit schedules and closing timing are set by the builder and can change, confirm the current details directly before signing, and consider working with a professional who knows the Oshawa and Durham Region market.
Symphony Towns is being developed by Marlin Spring Developments, a Toronto-based builder active across the Greater Toronto Area and Ontario. The project is located in Oshawa's Donevan neighbourhood.
The development is at 250 Harmony Road South in the Donevan neighbourhood of Oshawa, in Durham Region. It sits within an established residential area close to parks, schools, and shopping.
The project consists of 58 freehold common-element row townhomes. Floor plans are around 1,646 square feet.
Pricing has been listed from around $932,490. Current availability and pricing are confirmed by the builder, so it's best to register for the latest details.
Occupancy has been estimated for April 2022. Buyers should confirm current timing directly with the builder, as schedules can change over the course of a project.
Clara Hughes Public School is a short walk away, and David Bouchard Public School, Forest View Public School, and St. Hedwig Catholic School are all within roughly a kilometre and a half.
You can register through LIQWD to receive updates on availability, pricing, and floor plans. In Ontario, registering early can provide first access to a release before broader public sales.
Information last updated July 2, 2026. Details are provided by the builder and may change without notice.
First access to pricing, floorplans, and availability — before the public.