Welcome to 100 Louth Street, a newly renovated property offering exceptional versatility and future potential in a convenient St. Catharines location.This property features two self-contained units with separate entrances, making it ideal for multi-generational living, owner-occupancy with possible rental income or as a turnkey investment. The main unit offers 3 spacious bedrooms, a bright kitchen, and a modern 4-piece bathroom. The second unit features 1 bedroom, its own kitchen, and a 4-piece bathroom. Recent renovations provide a fresh, updated feel throughout, allowing buyers to move in or begin generating potential rental income. Situated on a large lot, the property offers ample outdoor space, 6 car driveway and exciting future possibilities. For those looking to maximize development potential, 100 Louth Street can be purchased together with the neighbouring property at 98 Louth Street. Conveniently located close to shopping, schools, parks, and public transit, this is an opportunity to secure a renovated income-generating property with long-term upside potential.
4 bedrooms, 2 bathrooms, about 1,100 sq ft, works out to roughly $589 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 100 Louth St
Every detail from the listing, in one place.
Type
Detached
Style
Bungalow
Living space
1100-1500 sq ftas stated on the listing
Parking
6 spaces
Basement
Unfinished
Features & systems
Parking & garage
Parking spaces
6
Interior
Basement
Unfinished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
Bungalow
Property class
Detached
100 Louth 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® X13497236$648,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 100 Louth St Compares to the St. Catharines 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
$3,183
/mo
based on the purchase price of $648,000
$129,600 cash
$518,400 financed
$436,629 total interest
Principal54%$518,400
Interest46%$436,629
20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.
Want rate-drop alerts and a saved shortlist?
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
Own a home on Louth Street? See what yours is worth
Get an instant estimate for your own home, based on recent sales around you. A free account shows the number and emails you the full report.
Free · No obligation · Backed by Coldwell Banker
Book a tour of 100 Louth St with a licensed buyer's agent
Your agent is usually paid from the seller's side. We'll confirm the co-operating commission on this listing before you sign anything.
Zara, any time
Zara · AI virtual agent
Ask about 100 Louth St day or night. Zara reads this listing and answers in plain words. When you want a person, she hands you to a licensed agent.
A licensed local agent
Your agent shows you the home, checks the paperwork and negotiates your offer, on your side, not the seller's.
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 St. Catharines
Other 3–6 bed homes for sale in St. Catharines around $648K.
Average days on market39Homes sold in about 39 days on average.
Sale-to-list ratio96.4%On average, homes sold below asking.
Active listings726Homes for sale here right now.
Median vs prior 90 days+1.8%Compared with May 12 – Aug 10, 2026: prices up.
Based on 526 sales from Aug 10 – Nov 8, 2026 (506 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
100 Louth St is listed at $648,000 (MLS® X13497236). Summitly updates the price as soon as the MLS® record changes.
Is $648,000 a good price for 100 Louth St?
Summitly rates it Above Market: the asking price is 5% to 15% above Zara's estimate, an estimate built from recent sales in St. Catharines. 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 100 Louth St changed?
No — 100 Louth St is still listed at its original asking price of $648,000.
How many bedrooms and bathrooms does 100 Louth St have?
100 Louth St has 4 bedrooms and 2 bathrooms, with about 1,100–1,500 square feet of living space. It is a detached home in St. Catharines.
Is 100 Louth St close to transit?
The nearest rapid-transit station is St. Catharines GO Station (Lakeshore West GO), about 1.3 km (about a 16-minute walk) 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 100 Louth St?
About $3,183 a month — principal and interest on $648,000 with 20% down ($129,600), 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 100 Louth St compare with other homes in St. Catharines?
Its asking price of $648,000 is about 16% above the median sold price in St. Catharines over the last 90 days, $559,950, across 526 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 100 Louth St been sold before?
Summitly has no earlier MLS® sale or lease of 100 Louth St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 100 Louth St?
100 Louth St is in St. Catharines, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 100 Louth St been on the market?
134 days — 100 Louth St was listed on June 27, 2026.
What is the price per square foot of 100 Louth St?
About $432 to $589 per square foot: the asking price of $648,000 over the 1,100–1,500 sq ft the listing gives as its size range.
