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310-3100 Steeles Ave W, Vaughan, ON, L4K 3R1
1-333-345-6868info@summitly.ca

©2026 Summitly. All rights reserved. Coldwell Banker Summit Realty, Brokerage.

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Listing data is provided by the Toronto Regional Real Estate Board (TRREB) via PropTx and is deemed reliable but not guaranteed. Coldwell Banker Summit Realty, Brokerage — an independently owned and operated Coldwell Banker franchise.

REALTOR® Disclosure▾

For listings in Canada, 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 trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

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    For sale Listed 2 days ago

    670 William Street

    Cobourg·Cobourg, ON·K9A 3A5·Near William and Boulton

    • 2 baths
    Cobourg real estate›X13438318
    • Overview
    • History
    • Details
    • Location
    • Mortgage
    • Investment
    • Comparables
    • FAQ
    Open house & tour

    3 upcoming open houses

    Drop in during an open house, or tour online — no appointment needed.

    • Open house
      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    Overview

    What this listing tells us

    Property description

    Extremely unique & versatile mixed-use Home with Workshop on 2.11 acres surrounded by a beautiful sparkling creek with trout & salmon. There is high-visibility for the Workshop, yet privacy for home. Home is well maintained 3+1BR 2Bath bungalow with 1391 sq ft on the main floor + 1391 sq ft finished LL guest unit-ideal for multi-family living or income potential. Great floor plan & features in the Main Floor living level. Upgraded kitchen, Large picture window in Liv Rm with Gorgeous Greenspace Views over the manicured grounds to forest/creek. Attached is a large Carport over a concrete slab, perfect for parking or use as a covered outdoor patio. Your own Detached WorkShop with Commercial & Industrial zoning is currently rented to an Artisan. Perfect for a home business, hobbies (zoned Commercial or Industrial) or convert to 2nd Residence? Land is protected by forest while the Shop is further to the south & benefits from visibility/exposure on a main road. Approximately 163 ft of frontage. LaZoned: Development, Environmental Conservation (EC), GM/Industrial, Employment Lands, allowing a wide range of potential uses (buyer to verify locations/uses for zoning/development). Opportunities may include live/work, shop for a small-scale industrial or manufacturing use, warehouse or logistics, commercial, office, retail, or service-based business, or future development in coordination with planning authorities & conservation regulations. Flat, park-like Nature setting with trees and creek on city water, sewer, hydro & high-speed internet. Convenient access to public transit, Highway 401/407 & VIA Rail, 100 km to Toronto. Located in a growing town with ongoing residential & commercial expansion. A rare & versatile property offering flexibility, income potential, & long-term value for owner-occupants, investors, or developers. Buyer to investigate all intended uses. EC designation applies to portions of the land. Adjacent to a large Conservation Park.

    Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.

    History

    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.

    DateEventStatusPriceChangeMLS®View
    Jun 12, 2026ListedCurrentFor sale$1,000,000 —X13438318This page
    Jun 10, 2025Previously listedTer$1,000,000 —X12210528View
    May 31, 2025Previously listedTer$1,700,000 —X12187137View
    Sourced from MLS® · includes all previous listings of this property · tap View to open the archived listing in a new tab
    Property details

    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

      4
      Heating
      Propane Gas
      Air conditioning
      Yes
      Water source
      Municipal
      Sewer
    Location & lifestyle

    Getting around, schools & the block

    Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.

    📍 670 William Street
    What's nearby

    Points of interest classified by the MLS® feed.

    • Greenbelt/Conservation
    • Public Transit
    Financials

    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.

    Est. monthly mortgage
    $4,913
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $467
    0.56% mill rate · ON
    The market

    How this home sits in the Cobourg market

    Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.

    The Cobourg market right now

    Average sold price, days on market, and closed-transaction count for Cobourg — sourced from MLS®.

    • Avg sold price
      $657,735
      Last 30 days
    • Median sold price
      $630,000
      Middle of the market
    • Days on market
      39 d
      Avg from list to close
    • Closed last 30d
      105
      MLS® transactions
    Full Cobourg market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 670 William Street — 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.

    Free buyer representation · Coldwell Banker® affiliate

    $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.

    Call now
    Due diligence

    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.

    Nothing concerning surfaced — all clear.

    We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at 670 William Street and found nothing flagged. We re-check automatically as new records publish.

    Frequently asked

    Common questions about this property

    Tap a question to expand the answer. Short, direct answers tuned for AI search and voice assistants.

    • How much is 670 William Street listed for?

      670 William Street is listed at $1,000,000 on the MLS® (listing X13438318). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 670 William Street 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.

  1. 2782 sqft
  2. Investment
  3. Built 51-99
  4. Asking
    $1,000,000
    $359 / sqft · MLS® X13438318
    Chat Zara
  5. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $657,735
    $605,116Confidence range$710,354
    Asking vs estimate
    ↑↑well-above
    +$342,265
    (+52.0%)
    Asking is well above
    Run the affordability numbers

    Based on the city's average sold price (limited data on this listing).

    Market analytics

    Homes like this in Cobourg sell in about 39 days — this one has been listed 2 days.

    Avg sold price
    $657,735
    Median sold
    $630,000
    Avg days on market
    39
    Recently sold
    105
    See comparable sales
    Walk through online
    Listing agent has provided two interactive tours
    Open virtual tourWatch video tour
    AI highlights by Zara
    • Extremely unique & versatile mixed-use Home with Workshop on 2.11 acres surrounded by a beautiful sparkling creek with trout & salmon.
    • Upgraded kitchen, Large picture window in Liv Rm with Gorgeous Greenspace Views over the manicured grounds to forest/creek.
    • Attached is a large Carport over a concrete slab, perfect for parking or use as a covered outdoor patio.
    • Flat, park-like Nature setting with trees and creek on city water, sewer, hydro & high-speed internet.
    Ask Zara a follow-up
    Sanitary+Storm
  6. Parking & garage

    3
    Garage
    Covered
    Parking spaces
    10
    Driveway
    10
  7. Interior

    1
    Accessibility
    N
  8. Lot & land

    2
    Year built
    51-99
    Zoning
    D+EC COMM/GM Industrial plus Res
  9. Listing & possession

    3
    Occupancy
    Immediate/Flexible
    Property style
    Accommodation
    Property class
    Investment
  10. Combined estimate
    $5,380
    Mortgage + tax · before condo / insurance

    Mortgage & affordability

    Today's best Canadian rates from Mortgage Squad, then a live calculator — adjust down payment, amortization, and rate, and email yourself the report.

    Today's rates · Powered by Mortgage Squad
    350+ lender access · Best rate matched in 2 min
    Lock my rate
    • Best
      5-yr Fixed · Insured
      4.09%
      0.40% below banks
    • 5-yr Fixed · Conventional
      4.34%
      APR · OAC
    • 3-yr Fixed · Conventional
      4.49%
      APR · OAC
    • 5-yr Variable · Variable
      4.85%
      APR · OAC
    Rates indicative · Updated today · OAC, subject to underwritingSee all Mortgage Squad rates →
    Affordability calculator
    Estimated monthly payment
    $4,913
    /mo
    based on the purchase price of $1,000,000
    $200,000 cash
    $800,000 financed
    $673,810 total interest
    Monthly payment$4,913/ month
    Principal54%$800,000
    Interest46%$673,810

    20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

    Email this mortgage report to yourself

    Save the full affordability breakdown — down payment, monthly, interest paid, and today's Mortgage Squad rate — in your inbox. Create a free Summitly account to save it, get rate-drop alerts, and build a shortlist.

    Create account & email meor send as guest
    Get pre-approved in minutes

    Know exactly what you can afford — a no-obligation pre-approval from Mortgage Squad.

    Get pre-approved

    Rental income & return

    What this home could rent for and the return at the asking price — an AI estimate against real property tax and condo fees.

    Est. monthly rent
    low–high
    Gross yield
    rent × 12 ÷ price
    Cap rate (est.)
    net of tax + fees

    AI estimate for discussion only — not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price and real property tax.

    AI-first listing data

    Zara's valuation, full price history, room insights, and live MLS® refresh — all in one feed. No more comparing 4 sites.

  11. One team, no handoffs

    Your realtor, mortgage broker, and offer-night closing team work side-by-side. One conversation, not three.

  12. Showings on YOUR schedule

    Same-day showings for shortlisted homes, evenings + weekends. Your Coldwell Banker Summit Realty agent coordinates with the listing brokerage.

  13. Mortgage that closes

    Pre-approval, rate hold, and 350+ lender access via Mortgage Squad Advisors — no juggling lender chats yourself.

  14. Public listing courtesy of Century 21 United Realty Inc. · displayed on Summitly per MLS® data-share rules

    670 William Street is a 2-bath, 2782 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  15. When was 670 William Street built?

    670 William Street was built in 51-99. Construction style, foundation, roof material, and EnerGuide rating (when published) are in the 'Features' section above.

  16. What is the property tax for 670 William Street?

    The 'Property tax' tab in the History section shows the most recent annual tax for 670 William Street plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  17. How much would the monthly mortgage be on 670 William Street?

    The affordability calculator on this page shows an estimated monthly mortgage for $1,000,000 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  18. Has 670 William Street been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 670 William Street with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  19. What neighbourhood is 670 William Street in?

    670 William Street is in Cobourg, Cobourg. The 'Neighbourhood' section below links to the live Cobourg real estate hub with average sold price, days on market, and current inventory.

  20. Is Cobourg a good place to live?

    Cobourg is one of ON's actively-tracked Summitly markets. The full Cobourg real estate hub covers live average sold price, days on market, and neighbourhood-level inventory.