Unit 511 — 55 William Street E
O'NeillOshawa, ONL1G 7C9Near Richmond St E / Mary St N
- 2 beds
3 upcoming open houses
Drop in during an open house, or tour online — no appointment needed.
- Open houseDate TBDTime TBD
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What this listing tells us
Boasting over 1,000 square feet of beautifully maintained, carpet-free living space, this bright and spacious 2-bedroom, 2-bathroom condo features pristine hardwood and ceramic flooring throughout. The unit offers a kitchen equipped with updated appliances and a ceramic backsplash, and a massive combined living and dining area that is perfect for entertaining. Along with an ample secondary bedroom and a tastefully updated main bath, the home offers a generous principal bedroom complete with a private ensuite. Additional features include a 5' x 5' in-unit storage room and two separate walkouts to a massive covered balcony that extends your living space outdoors. Situated in a meticulously cared-for building, residents also enjoy access to many amenities, including an indoor pool, secure underground parking, an exercise room, a library, a workshop, a billiards room, a party room, and a beautifully landscaped courtyard.
Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.
Listing, price, and tax history
Every previous listing of this property, every list-price change, and 5 years of estimated annual property tax — switch tabs to drill in.
| Date | Event | Status | Price | Change | MLS® | View |
|---|---|---|---|---|---|---|
| Jun 14, 2026 | Price reducedCurrent | Reduced | $357,900 | −$17,000 (4.5%) | E13208750 | This page |
| May 28, 2026 | ListedCurrent | For sale | $374,900 | — | E13208750 | This page |
Inside this property
Systems, finishes, room dimensions, and building information — pulled from the full MLS® feed.
Features & systems
Heating, cooling, parking, exterior, lot, possession, and more.
Systems
2- Heating
- Heat Pump
- Air conditioning
- Other
Getting around, schools & the block
Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.
The money — monthly cost, mortgage & return
Everything financial in one place: what you'd pay each month, a live mortgage calculator at the asking price, and what it could return as a rental.
Cost of ownership
A monthly snapshot at typical assumptions — personalize the mortgage just below.
How this home sits in the Oshawa market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Oshawa market right now
Average sold price, days on market, and closed-transaction count for Oshawa — sourced from MLS®.
- Avg sold price$720,430Last 30 days
- Median sold price$675,000Middle of the market
- Days on market23 dAvg from list to close
- Closed last 30d516MLS® transactions
We'll get you into Unit 511 — 55 William Street E — the seller pays our commission
On every MLS® listing in Canada, the seller's brokerage pays a cooperating commission to whoever brings the buyer. Buyer representation is free to you.
$0 to you. The seller pays our fee.
On every MLS® listing in Canada, the seller's brokerage advertises a cooperating commission for the buyer's agent. A Coldwell Banker Summit Realty agent represents you — you owe us nothing.
Property flags & disclosures
An automated scan of public records and news for anything a buyer should know about this specific address — liens, outstanding work orders, or stigma-related history. We never invent flags.
We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at Unit 511 — 55 William Street E and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
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How much is Unit 511 — 55 William Street E listed for?
Unit 511 — 55 William Street E is listed at $357,900 on the MLS® (listing E13208750). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does Unit 511 — 55 William Street E have?
Coldwell Banker Summit Realty is a RECO-licensed Ontario real estate brokerage, independently owned and operated. Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Listing data is sourced from MLS® and is provided for informational purposes only — not guaranteed accurate by the MLS® or its members. 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.











