$1,397,888
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78 William Street W, Waterloo, ON N2L1J7

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5 Beds
2 Baths
2,821 Sq Ft

HALF AN ACRE IN UPTOWN WATERLOO! Live grand, sever the lot, or explore development potential. Welcome to 78 William St W, a stately and elegant 5- bedroom home in Waterloos coveted Westmount neighborhood, just two blocks from Uptown conveniences and the Region's new LRT. Thoughtfully updated while retaining its original character, the home features gracious principal rooms ideal for both everyday living and entertaining. The spacious living and dining areas flow seamlessly, enhanced by large bay windows that flood the space with natural light and showcase beautiful architectural details - including original marble fireplaces that add timeless sophistication. The bright, functional kitchen offers ample storage and prep space, while the adjacent sunroom overlooks the expansive backyard and gardensa peaceful spot for morning coffee or unwinding at the end of the day. Upstairs, you'll find five generously sized bedrooms, each with ample closet space, providing comfort and flexibility for families, guests, or work-from-home needs. Outside, the half-acre lot is a true highlightoffering privacy, mature trees, and abundant green space for recreation, gardening, or future development. Initial planning work has been completed to allow for lot severance, creating the potential to sell part of the land, build a custom home, or develop an investment property. Zoning also permits the construction of up to three Additional Dwelling Units (ADUs) in total. Whether you're seeking a distinctive family home with historic charm or a property with outstanding future potential, 78 William St W presents a rare opportunity in one of Waterloo's most desirable neighbourhoods. (id:58753)

Listing By: SY WILLIAMS - Corcoran Horizon Realty cncrea2 Realty.com
  • MLS® 40810734
  • Date Listed03/09/2026
  • Days on Realty 139 Days
  • Bedrooms 5
  • Bathrooms 2 baths
  • Lot Size 22,216 sq. ft
  • Sewer Public Sewer
  • Subdivision 415 - Uptown Waterloo/Westmount
  • Property Type Single Family Residence
  • Water Public
  • Square Feet 2,821 sq. ft
  • Price Per Sq. Ft $495.53

Interior Features

  • Appliances Washer, Refrigerator, Central Vacuum, Gas stove(s), Dishwasher
  • Cooling None
  • Heating Radiant heat, In Floor Heating, Natural gas

Exterior / Lot Features

  • Roof -
  • Lot Size Acres -
  • Lot Size SQFT 22,215.60
  • Lot Features Southern exposure

Directions

Westmount Rd S to Williams St

Sales & Tax History

Source: Public Records

Local Neighborhood Highlights for N2L1J7

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

Walkability in ON / N2L1J7

Source: Walk Score

97/100

Walker's Paradise

Walk Score ®

59/100

Good Transit

Transit Score ®

96/100

Biker's Paradise

Bike Score ®

Overview

Daily errands do not require a car. Many nearby public transportation options. Daily errands can be accomplished on a bike.

Transit Summary

10 nearby routes: 9 bus, 1 rail, 0 other

Walkability averages in the surrounding area

The average walkability score in the surrounding area is Walk Score: 56/100, Transit Score: 45/100, Bike Score: 62/100.

Points of Interest near 78 WILLIAM Street W, Waterloo, ON N2L1J7

Frequently Asked Questions for 78 WILLIAM Street W

Source: Realty.com

78 WILLIAM Street W, Waterloo, ON N2L1J7 in 415 - Uptown Waterloo/Westmount, Waterloo, ON N2L1J7 is a single family residence listed at $1,397,888. Highlights include 5 bedrooms, 2 bathrooms, 2,821 sq. ft., $496 per sq. ft.. Realty.ca has 50 photos, sales history, school insights, and mortgage tools for this listing.

Realty.com has 50 photos of 78 WILLIAM Street W.

The full address for this home is 78 WILLIAM Street W, Waterloo, ON N2L1J7.

78 WILLIAM Street W has been listed on Realty.com since Mon March 09, 2026

Daily errands do not require a car. Many nearby public transportation options. Daily errands can be accomplished on a bike.

The average walkability score in the surrounding area is Walk Score: 56/100, Transit Score: 45/100, Bike Score: 62/100.

Listing provided courtesy of: Corcoran Horizon Realty
Listing agent: SY WILLIAMS

This content last refreshed on 2026-07-26 23:35:09. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.