Caroline Street Residences! Steps to LRT, Vincenzo's, Iron Horse Trail and a short walk to Uptown Waterloo, Waterloo Park and the Universities. Premium building with all the amenities you could ask for including concierge, fitness centre, massive outdoor terrace with barbeques and a putting green, and games media room. This beautiful 1 bedroom 1 bathroom unit features a gourmet kitchen with quartz topped counters, stainless appliances and luxury island. Gorgeous views of uptown from the 9th floor balcony. Features include insuite laundry, underground parking space and locker. You'll love living here!
1 bedroom, 1 bathroom, about 600 sq ft, works out to roughly $650 per square foot, the bed-to-bath ratio is generous. Chat with Zara if you'd like a deeper read on whether this condo fits your budget and timing.
Inside 155 Caroline St S #903
Every detail from the listing, in one place.
Type
Condo
Style
Apartment
Living space
600-699 sq ftas stated on the listing
Parking
1 spaceYes garage
Basement
None
Features & systems
Parking & garage
Garage
Yes
Parking spaces
1
Interior
Basement
None
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
Apartment
Property class
Condo Apartment
155 Caroline St S #903 Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X14173774$389,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 155 Caroline St S #903 Compares to the Waterloo 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
$1,915
/mo
based on the purchase price of $389,900
$77,980 cash
$311,920 financed
$262,719 total interest
Principal54%$311,920
Interest46%$262,719
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 Waterloo
Other 1–2 bed homes for sale in Waterloo around $390K.
Average days on market32Homes sold in about 32 days on average.
Sale-to-list ratio100.1%On average, homes sold at or above asking.
Active listings412Homes for sale here right now.
Median vs prior 90 days−2.8%Compared with May 16 – Aug 14, 2026: prices down.
Based on 405 sales from Aug 14 – Nov 12, 2026 (314 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
More in this building
1 for rent at 155 Caroline St S — plus its sale and lease history.
155 Caroline St S #903 is listed at $389,900 (MLS® X14173774). Summitly updates the price as soon as the MLS® record changes.
Is $389,900 a good price for 155 Caroline St S #903?
Summitly rates it Above Market: the asking price is 5% to 15% above Zara's estimate, an estimate built from recent sales in Waterloo. 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 155 Caroline St S #903 changed?
No — 155 Caroline St S #903 is still listed at its original asking price of $389,900.
How many bedrooms and bathrooms does 155 Caroline St S #903 have?
155 Caroline St S #903 has 1 bedroom and 1 bathroom, with about 600–699 square feet of living space. It is a condo in Waterloo.
How much would the monthly mortgage be on 155 Caroline St S #903?
About $1,915 a month — principal and interest on $389,900 with 20% down ($77,980), 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 155 Caroline St S #903 compare with other homes in Waterloo?
Its asking price of $389,900 is about 44% below the median sold price in Waterloo over the last 90 days, $700,000, across 405 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 155 Caroline St S #903 been sold before?
Summitly has no earlier MLS® sale or lease of 155 Caroline St S #903 on record from the last two years. Older records aren't shown under TRREB rules.
Where is 155 Caroline St S #903?
155 Caroline St S #903 is in Waterloo, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 155 Caroline St S #903 been on the market?
155 Caroline St S #903 was listed today (November 12, 2026).
What is the price per square foot of 155 Caroline St S #903?
About $558 to $650 per square foot: the asking price of $389,900 over the 600–699 sq ft the listing gives as its size range.
Does 155 Caroline St S #903 have parking or a garage?
Yes — the listing gives 1 parking space. Garage: Yes.
Does 155 Caroline St S #903 have a basement, and is it finished?
The listing says 155 Caroline St S #903 has no basement.
