Welcome To One28 Condos! This Bright & Modern 1-Bedroom + Den Suite Offers An Incredible Ownership Or Investment Opportunity In The Heart Of Waterloo. Featuring 9-Ft Ceilings & A Sun-Filled, Open-Concept Layout. The Spacious & Versatile Den Is The Perfect Home Office Or Study Area. Step Out To Your Private Balcony To Enjoy Clear, Unobstructed Views. Fully Equipped With Sleek Stainless Steel Appliances & Convenient In-Suite Laundry. Rare Offering With 1 Underground Parking Spot & 1 Storage Locker Included! Residents Enjoy Premium Building Amenities: State-Of-The-Art Fitness Centre, Yoga Studio, Steam Room, Party/Study Rooms, 24/7 Security & An Outdoor Terrace With BBQs. Unbeatable Location-Steps To The ION LRT, Uptown Waterloo, University Of Waterloo, Wilfrid Laurier & The Tech Park. Turn-Key & Move-In Ready!
1 bedroom, 1 bathroom, about 600 sq ft, works out to roughly $575 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 128 King St N #803
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
128 King St N #803 Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X14011096$344,990
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 128 King St N #803 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
$1,695
/mo
based on the purchase price of $344,990
$68,998 cash
$275,992 financed
$232,458 total interest
Principal54%$275,992
Interest46%$232,458
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
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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 1–4 bed homes for sale in Waterloo around $345K.
Average days on market32Homes sold in about 32 days on average.
Sale-to-list ratio100.2%On average, homes sold at or above asking.
Active listings396Homes for sale here right now.
Median vs prior 90 days0.0%Compared with Apr 16 – Jul 15, 2026.
Based on 468 sales from Jul 15 – Oct 13, 2026 (275 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
5 for sale · 4 for rent at 128 King St N — plus its sale and lease history.
128 King St N #803 is listed at $344,990 (MLS® X14011096). Summitly updates the price as soon as the MLS® record changes.
Is $344,990 a good price for 128 King St N #803?
Summitly rates it Fair Price: the asking price is Within 3% below to 5% 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 128 King St N #803 changed?
No — 128 King St N #803 is still listed at its original asking price of $344,990.
How many bedrooms and bathrooms does 128 King St N #803 have?
128 King St N #803 has 1 bedroom and 1 bathroom, with about 600–699 square feet of living space. It is a condo in Waterloo.
Is 128 King St N #803 close to transit?
The nearest rapid-transit station is Waterloo Public Square Station (ION), about 700 m (about a 9-minute walk) in a straight line. Willis Way Station is about 920 m (about a 11-minute walk), and Laurier - Waterloo Park Station is about 920 m (about a 12-minute walk). Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 128 King St N #803?
About $1,695 a month — principal and interest on $344,990 with 20% down ($68,998), 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 128 King St N #803 compare with other homes in Waterloo?
Its asking price of $344,990 is about 51% below the median sold price in Waterloo over the last 90 days, $700,000, across 468 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 128 King St N #803 been sold before?
Summitly has no earlier MLS® sale or lease of 128 King St N #803 on record from the last two years. Older records aren't shown under TRREB rules.
Where is 128 King St N #803?
128 King St N #803 is in Waterloo, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 128 King St N #803 been on the market?
128 King St N #803 was listed today (October 13, 2026).
What is the price per square foot of 128 King St N #803?
About $494 to $575 per square foot: the asking price of $344,990 over the 600–699 sq ft the listing gives as its size range.
Does 128 King St N #803 have parking or a garage?
Yes — the listing gives 1 parking space. Garage: Yes.
