This property features a 2,229 square foot home on 0.5 acres just a stone's throw away from the Welland River! This corner lot is perfectly placed within walking distance to all kinds of amenities. The home features 5 bedrooms, an open concept main living space, workshop and an attached garage. The sprawling living room has a gas fireplace and a full wall of windows with views of the beautiful property. A solid wood kitchen sits off the dining room. The main floor is completed by two bedrooms, a 4-piece bathroom and a utility/laundry room. Upstairs has 3 generous bedrooms, an office area and two separate storage areas. An additional bonus to this property is that it also has development potential! There is potential to build a 3-storey, 12 unit apartment or condo building. The proposal has gone through a pre-consultation with the city of Welland and is waiting for a developer to take it the rest of the way. Pre-consultation notes and proposed site plan available in the supplements. Property being sold "as is". Please Note: some photos have been virtually staged.
5 bedrooms, 1 bathroom, about 2,000 sq ft, works out to roughly $275 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 21 First Ave
Every detail from the listing, in one place.
Type
Detached
Style
1 1/2 Storey
Living space
2000-2500 sq ftas stated on the listing
Parking
5 spacesYes garage
Basement
None
Features & systems
Parking & garage
Garage
Yes
Parking spaces
5
Interior
Basement
None
Lot & land
Lot size (sqft)
0.5
Listing & possession
Property style
1 1/2 Storey
Property class
Detached
21 First Ave Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
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
$2,701
/mo
based on the purchase price of $549,900
$109,980 cash
$439,920 financed
$370,528 total interest
Principal54%$439,920
Interest46%$370,528
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 Welland
Other 4–6 bed homes for sale in Welland around $550K.
Average days on market44Homes sold in about 44 days on average.
Sale-to-list ratio96.4%On average, homes sold below asking.
Active listings458Homes for sale here right now.
Median vs prior 90 days+1.1%Compared with Apr 24 – Jul 23, 2026: prices up.
Based on 265 sales from Jul 23 – Oct 21, 2026 (238 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 21 First Ave
How much is 21 First Ave listed for?
21 First Ave is listed at $549,900 (MLS® X13489892). Summitly updates the price as soon as the MLS® record changes.
Is $549,900 a good price for 21 First Ave?
Summitly rates it Excellent Deal: the asking price is 10% or more below Zara's estimate, an estimate built from recent sales in Welland. 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 21 First Ave changed?
Yes — it was first listed at $639,900 and is now $549,900, a drop of $90,000 (14.1%).
How many bedrooms and bathrooms does 21 First Ave have?
21 First Ave has 5 bedrooms and 1 bathroom, with about 2,000–2,500 square feet of living space. It is a detached home in Welland.
How much would the monthly mortgage be on 21 First Ave?
About $2,701 a month — principal and interest on $549,900 with 20% down ($109,980), 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 21 First Ave compare with other homes in Welland?
Its asking price of $549,900 is about the same as the median sold price in Welland over the last 90 days, $539,900, across 265 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 21 First Ave been sold before?
Summitly has no earlier MLS® sale or lease of 21 First Ave on record from the last two years. Older records aren't shown under TRREB rules.
Where is 21 First Ave?
21 First Ave is in Welland, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 21 First Ave been on the market?
118 days — 21 First Ave was listed on June 25, 2026.
What is the price per square foot of 21 First Ave?
About $220 to $275 per square foot: the asking price of $549,900 over the 2,000–2,500 sq ft the listing gives as its size range.
Does 21 First Ave have parking or a garage?
Yes — the listing gives 5 parking spaces. Garage: Yes.
Does 21 First Ave have a basement, and is it finished?
