300 Rossland Rd E #409 is an office in Ajax, listed for $1,289,000.
1Exceptional turnkey professional/medical office opportunity in Ajax's sought-after One Healthcare Centre.
2Located within an established Class A medical and professional office building offering elevators, accessibility and ample free surface parking, with convenient access to Hwys 401 & 407 and the broader Durham Region.
3A rare opportunity to own an elevated professional workspace rather than lease one.
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Commercial Property in Ajax
Unit 409 at 300 Rossland Road East
Exceptional turnkey professional/medical office opportunity in Ajax's sought-after One Healthcare Centre. Designed for the way modern businesses work, this bright and beautifully finished top floor, corner unit in a commercial condominium combines private offices, collaborative work areas and expansive open workspace within a sophisticated contemporary environment. Impressive windows provide an abundance of natural light and elevated views, while exposed ceilings, polished concrete floors, modern linear lighting and glass partitions create a polished, architectural aesthetic throughout. The versatile layout offers multiple private offices and meeting/work spaces together with generous open areas capable of accommodating numerous workstations, making it ideal for a growing professional firm, creative business, corporate office or discerning owner-user. Thoughtfully designed to support both focused work and team collaboration, the suite provides an impressive environment for employees and clients alike. Located within an established Class A medical and professional office building offering elevators, accessibility and ample free surface parking, with convenient access to Hwys 401 & 407 and the broader Durham Region. Move in and enjoy the substantial investment in design and build-out already completed-or acquire adjoining Unit 408 as well to create an extraordinary ~4,700 sq. ft. contiguous corporate headquarters. A rare opportunity to own an elevated professional workspace rather than lease one.
Ajax office priced at $1,289,000 — book a tour to see if it fits your search.
Inside 300 Rossland Rd E #409
Every detail from the listing, in one place.
Type
Office
Lot size
0.00 x 0.00 Feet
Features & systems
Lot & land
Lot dimensions
0.00 x 0.00 Feet
Lot size (sqft)
0
Listing & possession
Property class
Office
300 Rossland Rd E #409 Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® E13779926$1,289,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 300 Rossland Rd E #409 Compares to the Ajax Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
Zara’s estimate
$•,•••,•••
Estimated from city-wide sales. There isn’t enough detail on this listing to rate the price.
Transit, schools, parks and everyday places near this home. Select any place to open it on Google Maps.
How long is your commute?
From 300 Rossland Rd E #409. Typical times without traffic delays; transit times aren't available yet.
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.
Average days on market26Homes sold in about 26 days on average.
Sale-to-list ratio99.4%On average, homes sold below asking.
Active listings347Homes for sale here right now.
Median vs prior 90 days−1.3%Compared with May 9 – Aug 7, 2026: prices down.
Based on 387 sales from Aug 7 – Nov 5, 2026 (329 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
300 Rossland Rd E #409 is listed at $1,289,000 (MLS® E13779926). Summitly updates the price as soon as the MLS® record changes.
Has the price of 300 Rossland Rd E #409 changed?
No — 300 Rossland Rd E #409 is still listed at its original asking price of $1,289,000.
How many bedrooms and bathrooms does 300 Rossland Rd E #409 have?
The listing for 300 Rossland Rd E #409 doesn't publish its bedroom and bathroom count. It is a commercial property in Ajax.
Is 300 Rossland Rd E #409 close to transit?
The nearest rapid-transit station is Ajax GO Station (Lakeshore East GO), about 4.3 km in a straight line. Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How does 300 Rossland Rd E #409 compare with other homes in Ajax?
Its asking price of $1,289,000 is about 56% above the median sold price in Ajax over the last 90 days, $825,000, across 387 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 300 Rossland Rd E #409 been sold before?
Summitly has no earlier MLS® sale or lease of 300 Rossland Rd E #409 on record from the last two years. Older records aren't shown under TRREB rules.
Where is 300 Rossland Rd E #409?
300 Rossland Rd E #409 is in Ajax, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 300 Rossland Rd E #409 been on the market?
52 days — 300 Rossland Rd E #409 was listed on September 14, 2026.
What is the lot size of 300 Rossland Rd E #409?
The lot measures 0.00 × 0.00 Feet, as published in the listing.
What is the land transfer tax on 300 Rossland Rd E #409?
About $22,255 in Ontario land transfer tax at the asking price of $1,289,000. First-time buyers can get up to $4,000 back. Legal fees and other closing costs are extra.
How do I book a viewing of 300 Rossland Rd E #409 or make an offer?
Select "Book a viewing" on this page and pick a time. A licensed Coldwell Banker Summit Realty, Brokerage agent confirms it with the listing brokerage. When you're ready, your agent prepares the offer with you and submits it to the listing brokerage.
What is the property tax for 300 Rossland Rd E #409?
The listing for 300 Rossland Rd E #409 doesn't publish the annual property tax. The property tax calculator linked at the foot of this page gives an estimate for Ajax.
