89B William Street W
Waterloo, ONN2L 1J6Near Avondale Ave S + William St W
- 0
- Vacant Land
3 upcoming open houses
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What this listing tells us
Premium Investment Opportunity - Presenting a rare and highly sought-after investment opportunity in the heart of Waterloo's most coveted location William St W. This permit-ready, subdivided two-lot package offers an unparalleled foundation for immediate development. Key Features:Approved for Construction: City-approved plans for 4 units, including two - 2-story, 3-bedroom, 2.5-bath homes with spacious main and second floors. Fully approved for a 2-bedroom, 1-bathroom auxiliary dwelling unit, providing additional rental income potential. Demolition Complete: The property is already cleared, leaving you with a blank slate to implement your vision and start construction right away.Prime Location: Situated on the desirable and highly accessible William Street, this property offers unbeatable value in a growing, high-demand area.This is an exceptional opportunity for investors to capitalize on a turn-key project with all the initial work done for you. Do not miss your chance to develop on one of the few available lots with this level of approval and potential. All thats left is for you to make your mark! To be sold as a package with 89A William St W , price per lot. Architectural Drawings attached. Taxes to be assessed by the city still as taxes listed reflect taxes combined. Town approved building permit plans available
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 23, 2026 | Price reducedCurrent | Reduced | $450,000 | −$100,000 (18.2%) | X12421003 | This page |
| Sep 23, 2025 | ListedCurrent | For sale | $550,000 | — | X12421003 | 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.
Listing & possession
3- Occupancy
- FLEX
- Property style
- Other
- Property class
- Vacant Land
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 Waterloo market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Waterloo market right now
Average sold price, days on market, and closed-transaction count for Waterloo — sourced from MLS®.
- Avg sold price$773,596Last 30 days
- Median sold price$711,000Middle of the market
- Days on market27 dAvg from list to close
- Closed last 30d304MLS® transactions
We'll get you into 89B William Street W — 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 89B William Street W and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
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How much is 89B William Street W listed for?
89B William Street W is listed at $450,000 on the MLS® (listing X12421003). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does 89B William Street W 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.
