503 Main St is a 4-bedroom, 2-bathroom detached home in Cambridge, listed for $799,900. It has 1100-1500 sq ft of living space.
1Location, Location, Location!
2It will be renovated from ground up.
3New Drywalls, New Insulation, New Windows, New Hvac, New Plumbing, New Electrical, Panel 200 amps, Facade, New Kitchen etc. 4 Beds and 2 Full baths with an oversize Family room.
Location, Location, Location! Main St. It will be renovated from ground up. New Drywalls, New Insulation, New Windows, New Hvac, New Plumbing, New Electrical, Panel 200 amps, Facade, New Kitchen etc. 4 Beds and 2 Full baths with an oversize Family room. A basement with a separate entrance has the potential to add another unit. Currently finishing as legal non-conforming residential. C2 zoned. Endless possibilities for commercial or mixed-use required city permit approval.. Perfect for live/work setups, commercial conversion, or buy-and-hold investing! Outside siding may not be same color.
4 bedrooms, 2 bathrooms, about 1,100 sq ft, works out to roughly $727 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 503 Main St
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
1100-1500 sq ftas stated on the listing
Parking
4 spaces
Basement
Full
Features & systems
Parking & garage
Parking spaces
4
Interior
Basement
Full
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
503 Main St Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X13782904$799,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 503 Main St Compares to the Cambridge Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
Independent mortgage broker · OAC · rates subject to change and underwritingMortgage Squad →
Referral disclosure: Summitly may refer you to Mortgage Squad Advisors, an affiliated mortgage partner. You are free to choose any lender or mortgage professional.
Monthly cost
Enter a rate to see the monthly cost
An estimate, not a quote. Utilities and insurance are extra.
Affordability calculator
Estimated monthly payment
$3,930
/mo
based on the purchase price of $799,900
$159,980 cash
$639,920 financed
$538,981 total interest
Principal54%$639,920
Interest46%$538,981
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.
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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.
Similar homes for sale nearby in Cambridge
Other 3–5 bed homes for sale in Cambridge around $800K.
Average days on market33Homes sold in about 33 days on average.
Sale-to-list ratio99.7%On average, homes sold below asking.
Active listings412Homes for sale here right now.
Median vs prior 90 days+2.2%Compared with May 10 – Aug 8, 2026: prices up.
Based on 430 sales from Aug 8 – Nov 6, 2026 (405 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 503 Main St
How much is 503 Main St listed for?
503 Main St is listed at $799,900 (MLS® X13782904). Summitly updates the price as soon as the MLS® record changes.
Is $799,900 a good price for 503 Main St?
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in Cambridge. The rating is an automated opinion, not an appraisal; "What's it worth?" on this page shows how it is worked out. See Zara's estimate
Has the price of 503 Main St changed?
No — 503 Main St is still listed at its original asking price of $799,900.
How many bedrooms and bathrooms does 503 Main St have?
503 Main St has 4 bedrooms and 2 bathrooms, with about 1,100–1,500 square feet of living space. It is a detached home in Cambridge.
How much would the monthly mortgage be on 503 Main St?
About $3,930 a month — principal and interest on $799,900 with 20% down ($159,980), a 25-year amortization and an assumed 5.5% interest rate. The mortgage calculator on this page lets you change the down payment, amortization and rate.
How does 503 Main St compare with other homes in Cambridge?
Its asking price of $799,900 is about 16% above the median sold price in Cambridge over the last 90 days, $690,000, across 430 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 503 Main St been sold before?
Summitly has no earlier MLS® sale or lease of 503 Main St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 503 Main St?
503 Main St is in Cambridge, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 503 Main St been on the market?
53 days — 503 Main St was listed on September 14, 2026.
What is the price per square foot of 503 Main St?
About $533 to $727 per square foot: the asking price of $799,900 over the 1,100–1,500 sq ft the listing gives as its size range.
Does 503 Main St have parking or a garage?
Yes — the listing gives 4 parking spaces.
Does 503 Main St have a basement, and is it finished?
