$3,695,000
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100 Seneca Drive, Ancaster on L9G 3B8, Ancaster, ON L9G 3B8

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6 Beds
6 Baths
4,800 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 kitchenetteideal 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 Ancasters most extraordinary residences!

Listing By: Kevin Roger Girard - Royal LePage State Realty Inc. cnitso Realty.com
  • MLS® 40834371
  • Date Listed05/28/2026
  • Days on Realty 7 Days
  • Bedrooms 6
  • Bathrooms 5 Full baths, 1 Half baths
  • Lot Size -
  • County Hamilton
  • Year Built 2019
  • Square Feet 4,800 sq. ft
  • Price Per Sq. Ft $769.79

Interior Features

  • Appliances Bar Fridge, Water Heater Owned
  • Cooling Central Air
  • Heating Forced Air, Natural Gas

Exterior / Lot Features

  • Exterior Built-in Barbecue, Landscape Lighting, Landscaped, Lawn Sprinkler System, Lighting, Privacy
  • Roof -
  • Lot Size Acres -
  • Lot Size SQFT -
  • Lot Features Urban, Rectangular, Airport, Arts Centre, Business Centre, Near Golf Course, Highway Access, Hospital, Landscaped, Library, Major Highway, Park, Place of Worship, Playground Nearby, Public Transit, Quiet Area, Rec./ Community Centre, Regional Mall, School Bus Route, Schools, Shopping Nearby, Trails

Directions

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

Sales & Tax History

Source: Public Records

Local Neighborhood Highlights for L9G 3B8

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

Walkability in ON / L9G 3B8

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: 30/100, Bike Score: 36/100.

Points of Interest near 100 Seneca Drive, Ancaster ON L9G 3B8, Ancaster, ON L9G 3B8

Frequently Asked Questions for 100 Seneca Drive, Ancaster ON L9G 3B8

Source: Realty.com

100 Seneca Drive, Ancaster ON L9G 3B8, Ancaster, ON L9G 3B8 in Ancaster, ON L9G 3B8 is a single family residence listed at $3,695,000. Highlights include 6 bedrooms, 6 bathrooms, 4,800 sq. ft., built in 2019, $770 per sq. ft.. Realty.ca has 50 photos, sales history, school insights, and mortgage tools for this listing.

Realty.com has 50 photos of 100 Seneca Drive, Ancaster ON L9G 3B8.

Our records indicate that 100 Seneca Drive, Ancaster ON L9G 3B8 was built in 2019.

The full address for this home is 100 Seneca Drive, Ancaster ON L9G 3B8, Ancaster, ON L9G 3B8.

100 Seneca Drive, Ancaster ON L9G 3B8 has been listed on Realty.com since Thu May 28, 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: 30/100, Bike Score: 36/100.

Listing provided courtesy of: Royal Lepage State Realty - itso - 1839655 (tel: 905-648-4451)
Listing agent: Kevin Girard - UnknownState

This content last refreshed on 2026-06-04 19:49:26. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.