$5,280,000
166 Krieghoff Avenue, Markham, ON L3R 1W3
7 Beds
9 Baths
6 Parking
A Masterpiece of Luxury Living in Prestigious Unionville! Brand-new custom residence offering over 6500 sq. ft. of exceptional living space, including approx. 4,460 sq. ft. on the main & second levels plus a beautifully finished 2,065 sq. ft. basement. Featuring 5+2 bedrooms, each with its own ensuite and heated floors, this extraordinary home showcases refined craftsmanship, timeless design, and modern luxury throughout. A grand stone façade and impressive 9' solid mahogany double entrance door open into a magnificent light-filled foyer. Expansive windows and strategically placed skylights highlight designer chandeliers, custom-fabricated slab vanity sinks, elegant white ash hardwood floors, cozy gas fireplaces, and a dramatic red oak mono-stringer open-riser staircase with LED lighting. The gourmet kitchen is equipped with top-of-the-line appliances and complemented by a second wok kitchen, ideal for both everyday family living and elegant entertaining. The luxurious primary suite offers a spacious walk-in closet and a spa-inspired 7-piece ensuite with heated floors and an automatic toilet. A second-floor laundry room adds convenience, while the upper-level sitting area creates a peaceful retreat for reading, meditation, or quiet relaxation. The fully heated walk-up basement is an entertainer's dream, complete with a spacious games room, large theatre room, wet bar/kitchen, and two additional bedrooms. Located in one of Unionville's most prestigious and established communities, close to top schools, parks, Main Street Unionville, boutique shops, restaurants, cultural events, Unionville GO Station, and everyday amenities. A rare opportunity to own a truly exceptional custom home in the heart of Unionville.

Property Summary

Property Type Residential Freehold
Property Sub Type Detached
Transaction Type For Sale
Style 2-Storey
Approximate Age New
Bedrooms Above Grade 5
Bedrooms Below Grade 2
Bathrooms 9
Basement Finished
Exposure North
Possession 30/60/TBA

Building

Building Type Detached
Square Footage 3500-5000
Exterior Brick, Stone
Foundation Concrete
Roof Asphalt Shingle
Heating Forced Air
Heat Source Gas
Cooling Central Air
Fireplace Yes

Measurements

Lot Size 60 x 125
Lot Size Units Feet
Frontage 60
Depth 125
Total Living Area 3500-5000

Land

Address 166 Krieghoff Avenue, Markham, ON L3R 1W3
City Markham
Community Unionville
County / Area York
Cross Street Krieghoff Ave/Fred Varley Dr
Sewer Sewer
Pool None
Parcel Number 029790093

Parking and Garage

Total Parking 6
Garage Spaces 2
Garage Type Attached
Parking Features Private

Taxes and Listing Info

List Price $5,280,000
Annual Taxes $17,997
Tax Year 2025
Status Active
Listing Date 2026-05-30T13:11:35Z
MLS Number N13217692
Local Market Insight

What Buyers Should Know About 166 Krieghoff Avenue, Markham, ON L3R 1W3

This editorial summary helps buyers look beyond the headline price and review the neighbourhood, transit, schools, rental demand, long-term value, and due-diligence items that often matter before booking a showing or submitting an offer.

Neighbourhood Analysis

166 Krieghoff Avenue, Markham, ON L3R 1W3 is positioned in Unionville, a part of Markham where buyers should compare the street setting, nearby amenities, daily travel routes, and surrounding housing stock. For a 2-Storey, the strongest fit often depends on whether the location supports everyday routine as well as the numbers on paper.

School And Family Considerations

Families reviewing this Detached should confirm school boundaries directly with the local school boards before relying on listing notes. It is also worth checking walkability to parks, childcare, recreation centres, libraries, and community facilities because these details can influence both lifestyle value and future resale demand.

Transit And Access

The location should be assessed around commute patterns, access to Krieghoff Ave/Fred Varley Dr, public transit options, parking availability, and drive times to employment areas. A property with 6 parking and practical road access can appeal to buyers who need convenience without giving up neighbourhood quality.

Investment Potential

At $5,280,000, buyers should compare recent nearby sales, days on market, condition, lot utility, and the cost of future repairs or upgrades. The property shows 7 bedrooms, 9 bathrooms, basement details marked as Finished, and a lot size of 60 x 125, all of which can affect value.

Rental Demand

If this property is being reviewed as a rental or investment, demand should be measured by bedroom count, transit access, employment access, nearby schools, parking, and the condition of the unit or home. In Markham, rental appeal usually improves when a property is easy to maintain and simple for tenants to live in.

Local Attractions And Amenities

Buyers should look at grocery access, restaurants, trails, parks, shopping, medical services, and weekend amenities around Unionville. These features do not always appear in the MLS data, but they can make a major difference in how the home feels after move-in and how future buyers compare it.

Builder, Condition, And Due Diligence

For resale homes, review renovations, permits, roof and mechanical age, exterior condition, inclusions, and rental items. For condo or newer properties, review building history, maintenance fees, reserve fund information, rules, amenities, and future cost exposure. A showing and document review should confirm anything not visible in the listing.

Nearby Infrastructure

Infrastructure matters because transit improvements, road projects, schools, parks, commercial growth, and employment nodes can change how an area performs over time. For 166 Krieghoff Avenue, Markham, ON L3R 1W3, buyers should check municipal plans, nearby construction, zoning context, and future projects that may affect enjoyment or resale value.

This section is informational only. Buyers should verify schools, measurements, rental rules, taxes, zoning, and property condition with the appropriate professionals before making a decision.

Listing data is provided through PropTx/MLS data services and is deemed reliable but not guaranteed. Listings are subject to change without notice.