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303 Castlefield Avenue, Waterloo, ON N2K 2M4

MLS: X13145078 | Detached

$1,599,900

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Property Description

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!

Directions: LEXINGTON ROAD TO LEE AVENUE, THEN CASTLEFIELD AVENUE
Inclusions: Central Vac, Dishwasher, Dryer, Garage Door Opener, Hot Tub, Microwave, Range Hood, Refrigerator, Stove, Washer, Window Coverings, Swing Set, Arbour Over Deck

Quick Facts

  • Property Type: Detached
  • Style: 2-Storey
  • Bedrooms: 4 (4 above)
  • Bathrooms: 4
  • Fireplaces: 2
  • Parking: 8.0 spaces (Private Double)
  • Lot Size: 0 sq ft (0.0 m²)
  • Lot W × L: 68.09 × 171.26 Feet
  • Basement: Full, Finished, Walk-Up, Separate Entrance
  • Possession: FLEXIBLE

Costs

  • Annual Taxes: $9,886.40 (2025)

Detailed Features

Interior & Systems

  • Cooling: Central Air
  • Basement: Full, Finished, Walk-Up, Separate Entrance
  • Security: Smoke Detector, Carbon Monoxide Detectors
  • Fireplace Features: Family Room, Electric, Natural Gas, Rec Room

Exterior & Construction

  • Style: 2-Storey
  • Exterior: Deck, Hot Tub, Landscaped, Porch, Privacy
  • Roof: Asphalt Shingle
  • Construction: Board & Batten , Brick
  • Foundation: Poured Concrete
  • Sewer: Sewer

Lot & Land

  • Lot Size: 0 sq ft (0.0 m²)
  • View: Garden, Trees/Woods

Listing Information

MLS® NumberX13145078
BoardToronto Regional Real Estate Board
BrokerageRE/MAX TWIN CITY REALTY INC.
Date ListedMay 19, 2026
Last UpdatedMay 20, 2026

Listing History

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Location & Neighborhood

📍303 Castlefield Avenue, Waterloo, ON N2K 2M4

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TRREB MLS® ListingInformation is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Listing Brokerage: RE/MAX TWIN CITY REALTY INC.Board: Toronto Regional Real Estate BoardLast Updated: May 20, 2026 at 7:26 PM EDTData provided by the Toronto Regional Real Estate Board (TRREB) via PropTx / AMPRE.
Want full details? Sold history, days on market, and additional listing data are available to registered users after a one-time terms acceptance.
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Cathy Dou
Cathy Dou
Broker of Record
[email protected]647-691-6364
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303 Castlefield Avenue, Waterloo, ON N2K 2M4

ASAP
 
FRI
22
May
SAT
23
May
SUN
24
May
MON
25
May
TUE
26
May
WED
27
May
THU
28
May
MorningAfternoonEvening
Cathy Dou
Cathy Dou
Broker of Record
[email protected]647-691-6364
Ask a Question