$1,599,900
FOR SALE

Detached 2-Storey

Bedrooms: 4Bathrooms: 4Lot: 68.09 x 171.26 ft
2025 Taxes: $9,886.4

303 Castlefield Ave
Waterloo, ON N2K 2M4

Welcome to 303 Castlefield Ave, Waterloo-a rare opportunity to own a stunning newer custom-built executive home loaded with upgrades on a premium oversized lot in highly sought-after Colonial Acres. Offering 4,100+ SF of finished living space, this beautifully designed 4 bed, 4 bath home blends timeless style, exceptional craftsmanship, & modern family functionality on a stunning 68' x 171' lot surrounded by mature trees. Step inside to a welcoming front foyer & bright open-concept main flr designed for family living & entertaining. Stunning Barzotti kitchen with quartz counters, custom cabinetry, pantry, oversized 9' island, & seamless connection to breakfast area with deck access, great rm, & formal dining rm. Warm & inviting great rm with gas FP, stone surround, custom built-ins, shiplap detailing, & oversized windows overlooking the private backyard. Separate main flr office ideal for working from home. Functional mudrm with custom built-ins, backyard access, garage entry, & 2-pc bath. Upper level offers 4 generous bedrms incl spacious primary retreat with double closets incl lrg W/I closet & beautifully finished 4-pc ensuite with dual sinks & oversized shower. 3 additional sizable bedrms, 5-pc main bath, & upper-level laundry. Fully finished basement with over-sized rec rm, home gym/den, storage, & 3-pc bath with heated flrs. Walk-up from basement to garage creates excellent in-law potential. Hardwood & porcelain tile throughout main & upper levels. Designer lighting, pot lights, California shutters, & custom window coverings throughout. Expansive private fenced backyard with mature trees, spacious deck, patio, covered back porch, hot tub, & future pool potential. Impressive curb appeal with covered front porch, concrete driveway, & oversized garage with workshop area. Prime location-close to parks, trails, universities, shopping, Conestoga Mall, transit, major employers, & quick HWY access. Don't miss out on this incredibly rare opportunity in Colonial Acres!
Extras
Air Exchanger, Auto Garage Door Remote, Central Vacuum, In-Law Capability, Sump Pump, Water Softener, Water Purifier
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Listed By RE/MAX TWIN CITY REALTY INC.
Data Provided By Toronto Regional Real Estate Board
MLS® Listing Number X13145078
Last Updated May 19, 2026
Property Summary
Property Type Detached

More like this:
PIN 222870512
Legal Description LT 125 PL 921 CITY OF WATERLOO; S/T 176235; WATERLOO
Possession Date FLEXIBLE
Taxes (2025) $9,886.4
Directions/Cross Streets LEE AVENUE
Area Waterloo
Price History

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Detailed Information
Fronting On North
Special Designations Unknown
Bedrooms 4
Bathrooms 4
Lot 68.09 x 171.26 ft
Exterior Board & Batten
Air Conditioning Central Air
Family Room Y
Fireplace/Stove Y
Basement Full, Finished, Walk-Up, Separate Entrance
Garage Type Attached
Garage/Park Spaces Y
Parking Spaces 6
Heat Source Gas
Heat Type Forced Air
Sewers Sewer

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