Welcome to this spacious four-level side-split, nestled in a quiet, desirable neighbourhood in the North End of Niagara Falls. The bright and inviting living room features a large bay window that fills the space with natural light.Step outside to enjoy the huge, fully fenced backyard, offering plenty of room for children, pets, gardening, or outdoor activities. Multiple access points from inside the home make the backyard easily accessible, while the large covered patio provides the perfect setting for entertaining, barbecuing, or relaxing in the shade.Conveniently located near shopping, schools, parks, and everyday amenities, this wonderful home offers space, comfort, and an ideal location for family living.
3 bedrooms, 2 bathrooms, about 1,100 sq ft, works out to roughly $590 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 5821 Theresa St
Every detail from the listing, in one place.
Type
Detached
Style
Sidesplit 4
Living space
1100-1500 sq ftas stated on the listing
Parking
3 spaces
Basement
Development Potential
Features & systems
Parking & garage
Parking spaces
3
Interior
Basement
Development Potential
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
Sidesplit 4
Property class
Detached
5821 Theresa 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® X13716598$649,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 5821 Theresa St Compares to the Niagara Falls 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
$3,188
/mo
based on the purchase price of $649,000
$129,800 cash
$519,200 financed
$437,303 total interest
Principal54%$519,200
Interest46%$437,303
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.
For homeowners nearby
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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 Niagara Falls
Other 3–4 bed homes for sale in Niagara Falls around $649K.
Average days on market43Homes sold in about 43 days on average.
Sale-to-list ratio96.6%On average, homes sold below asking.
Active listings777Homes for sale here right now.
Median vs prior 90 days+6.3%Compared with Apr 19 – Jul 18, 2026: prices up.
Based on 434 sales from Jul 18 – Oct 16, 2026 (288 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
5821 Theresa St is listed at $649,000 (MLS® X13716598). Summitly updates the price as soon as the MLS® record changes.
Is $649,000 a good price for 5821 Theresa 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 Niagara Falls. 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 5821 Theresa St changed?
No — 5821 Theresa St is still listed at its original asking price of $649,000.
How many bedrooms and bathrooms does 5821 Theresa St have?
5821 Theresa St has 3 bedrooms and 2 bathrooms, with about 1,100–1,500 square feet of living space. It is a detached home in Niagara Falls.
Is 5821 Theresa St close to transit?
The nearest rapid-transit station is Niagara Falls GO Station (Lakeshore West GO), about 3.6 km in a straight line. Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 5821 Theresa St?
About $3,188 a month — principal and interest on $649,000 with 20% down ($129,800), 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 5821 Theresa St compare with other homes in Niagara Falls?
Its asking price of $649,000 is about 13% above the median sold price in Niagara Falls over the last 90 days, $573,750, across 434 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 5821 Theresa St been sold before?
Summitly has no earlier MLS® sale or lease of 5821 Theresa St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 5821 Theresa St?
5821 Theresa St is in Niagara Falls, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 5821 Theresa St been on the market?
51 days — 5821 Theresa St was listed on August 26, 2026.
What is the price per square foot of 5821 Theresa St?
About $433 to $590 per square foot: the asking price of $649,000 over the 1,100–1,500 sq ft the listing gives as its size range.