273 William St is a 3-bedroom, 1-bathroom detached home in Peterborough, listed for $579,900. It has 1500-2000 sq ft of living space.
1Charming, full of character, and positioned just minutes from downtown, this classic 3-bedroom, 1.5-bath residence seamlessly blends historic warmth with highly functional living spaces.
Charming, full of character, and positioned just minutes from downtown, this classic 3-bedroom, 1.5-bath residence seamlessly blends historic warmth with highly functional living spaces. From the welcoming front porch to the serene screened-in porch at the rear, the home offers fantastic options for outdoor relaxation and seasonal entertaining. Inside, traditional details shine throughout a comfortable layout, capped off by a versatile back bonus room perfect for a home office, playroom, or sun-drenched lounge. With three bedrooms, huge bathroom, 2nd floor laundry, and an unbeatable location close to local dining, shops, and urban amenities, this home presents a rare blend of timeless personality and vibrant downtown convenience.
3 bedrooms, 1 bathroom, about 1,500 sq ft, works out to roughly $387 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 273 William St
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
1500-2000 sq ftas stated on the listing
Parking
2 spaces
Basement
Unfinished
Features & systems
Parking & garage
Parking spaces
2
Interior
Basement
Unfinished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
273 William 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® X14087730$579,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 273 William St Compares to the Peterborough 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
$2,849
/mo
based on the purchase price of $579,900
$115,980 cash
$463,920 financed
$390,742 total interest
Principal54%$463,920
Interest46%$390,742
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 Peterborough
Other 2–6 bed homes for sale in Peterborough around $580K.
Average days on market34Homes sold in about 34 days on average.
Sale-to-list ratio97.3%On average, homes sold below asking.
Active listings424Homes for sale here right now.
Median vs prior 90 days+6.0%Compared with Apr 20 – Jul 19, 2026: prices up.
Based on 380 sales from Jul 19 – Oct 17, 2026 (323 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 273 William St
How much is 273 William St listed for?
273 William St is listed at $579,900 (MLS® X14087730). Summitly updates the price as soon as the MLS® record changes.
Is $579,900 a good price for 273 William St?
Summitly rates it Excellent Deal: the asking price is 10% or more below Zara's estimate, an estimate built from recent sales in Peterborough. 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 273 William St changed?
No — 273 William St is still listed at its original asking price of $579,900.
How many bedrooms and bathrooms does 273 William St have?
273 William St has 3 bedrooms and 1 bathroom, with about 1,500–2,000 square feet of living space. It is a detached home in Peterborough.
How much would the monthly mortgage be on 273 William St?
About $2,849 a month — principal and interest on $579,900 with 20% down ($115,980), 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.
Are there open houses at 273 William St?
Yes — Sunday, October 18, 12:00 PM – 2:00 PM. Open-house times come from the listing brokerage and can change, so check this page before you go, or book a private viewing.
How does 273 William St compare with other homes in Peterborough?
Its asking price of $579,900 is about the same as the median sold price in Peterborough over the last 90 days, $577,778, across 380 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 273 William St been sold before?
Summitly has no earlier MLS® sale or lease of 273 William St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 273 William St?
273 William St is in Peterborough, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 273 William St been on the market?
1 day — 273 William St was listed on October 16, 2026.
What is the price per square foot of 273 William St?
About $290 to $387 per square foot: the asking price of $579,900 over the 1,500–2,000 sq ft the listing gives as its size range.
