$3,495,000
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100 Seneca Drive, Ancaster, ON L9G3B8

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6 Beds
6 Baths
7,000 Sq Ft

This architectural masterpiece offers 7, 000 sq. ft. of luxurious living space with 4+2 bedrooms, 6 bathrooms, an incredible resort-style backyard oasis, and a fully finished basement with separate entrance. Set on an 85 x 135 ft. lot in a mature Ancaster neighbourhood, just one minute to highway access and all Power Centre amenities, this dream home impresses with striking curb appeal, professional landscaping, and an oversized triple garage with 14 ft. ceilings and two car lifts. The grand foyer with a soaring 21 ft. ceiling and curved staircase opens to a sophisticated interior featuring bold millwork, expansive porcelain, and wide-plank hardwood all illuminated by massive windows allowing plenty of natural light. The main level boasts formal living and dining rooms with 12 ft. ceilings, a private office, powder room, mudroom, and a gourmet eat-in kitchen with top-tier appliances. A 4-season sunroom with radiant in-floor heating and a family room with 11 ft. ceiling and stone fireplace create the perfect entertaining spaces. Upstairs, the sensational primary suite includes custom built-ins, spa- inspired 5-piece bath, private balcony, walk-in closet, and a custom dressing room fit for any wardrobe. Three additional bedrooms, all with ensuite baths (heated floors), and bedroom-level laundry complete the upper level. The finished lower level offers a recreation area, home theatre, 2 bedrooms, full bath, second laundry, and kitchenette-ideal for family enjoyment or a multigenerational in-law suite. Step outside to a private resort-style retreat with heated saltwater pool (waterfalls, lights, fire features), sunken hot tub, outdoor kitchen with pizza oven, extensive hardscaping, artificial turf, storage shed, and an elite K-Array sound system. Upgrades include Control4 automation, integrated security with cameras, whole-home sound, and dual furnaces, A/Cs, and HRVs for comfort and efficiency. A rare opportunity to own one of Ancaster's most extraordinary residences! (id:58753)

  • MLS® 40867345
  • Date Listed09/29/2026
  • Days on Realty 1 Day
  • Bedrooms 6
  • Bathrooms 6 baths
  • Lot Size -
  • Sewer Public Sewer
  • Subdivision 422 - Ancaster Heights/Mohawk Meadows/Maywood
  • Property Type Single Family Residence
  • Year Built 2019
  • Water Public
  • Square Feet 7,000 sq. ft
  • Price Per Sq. Ft $499.29

Interior Features

  • Appliances Central Vacuum, Wet Bar
  • Cooling Central air conditioning
  • Heating Forced air, Natural gas

Exterior / Lot Features

  • Roof -
  • Lot Size Acres -
  • Lot Size SQFT -
  • Lot Features Wet bar, Paved driveway, Sump Pump, Automatic Garage Door Opener, In- Law Suite

Directions

Hwy 403 to Mohawk, left on Algonquin, right on Seneca Dr

Sales & Tax History

Source: Public Records

Local Neighborhood Highlights for L9G3B8

Discover key demographics, population statistics, and environmental insights for the Ancaster, ON area.

Walkability in ON / L9G3B8

Source: Walk Score

44/100

Car-Dependent

Walk Score ®

44/100

Some Transit

Transit Score ®

48/100

Bikable

Bike Score ®

Overview

Most errands require a car. A few nearby public transportation options. Minimal bike infrastructure.

Transit Summary

4 nearby routes: 4 bus, 0 rail, 0 other

Walkability averages in the surrounding area

The average walkability score in the surrounding area is Walk Score: 28/100, Transit Score: 31/100, Bike Score: 36/100.

Points of Interest near 100 SENECA Drive, Ancaster, ON L9G3B8

Frequently Asked Questions for 100 SENECA Drive

Source: Realty.com

100 SENECA Drive, Ancaster, ON L9G3B8 in 422 - Ancaster Heights/Mohawk Meadows/Maywood, Ancaster, ON L9G3B8 is a single family residence listed at $3,495,000. Highlights include 6 bedrooms, 6 bathrooms, 7,000 sq. ft., built in 2019, $499 per sq. ft.. Realty.ca has 50 photos, sales history, school insights, and mortg...

Realty.com has 50 photos of 100 SENECA Drive.

Our records indicate that 100 SENECA Drive was built in 2019.

The full address for this home is 100 SENECA Drive, Ancaster, ON L9G3B8.

100 SENECA Drive has been listed on Realty.com since Tue September 29, 2026

Most errands require a car. A few nearby public transportation options. Minimal bike infrastructure.

The average walkability score in the surrounding area is Walk Score: 28/100, Transit Score: 31/100, Bike Score: 36/100.

This content last refreshed on 2026-09-30 20:12:28. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.