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Waterloo · Colonial Acres/East Bridge · Detached · MLS# 40831161

303 CASTLEFIELD Avenue

$1,599,900

4

bed

4

bath

4,111

sqft

2015

built

Detached · $389/sqft

Listed May 19, 2026

About this home.

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! (id:59491)

The full record.

Property typeDetached
Year built2015
Square footage4,111 sqft
Lot size0.268 acres
Bedrooms4
Bathrooms4
HeatingIn Floor Heating,Forced air,, ,,Natural gas
CoolingCentral air conditioning
ListedMay 19, 2026

How this listing prices against Colonial Acres/East Bridge.

21

Sales

$925,000

Median price

20

Days on market

96.3%

% of list

30

Active listings

N/A

Months supply

Colonial Acres/East Bridge was one of Waterloo's busiest pockets, with 23 sales and 31 active listings over the last 30 days. The average price reached $1,122,674, far above the city average, but the median was lower at $925,000, showing how much a few high-end sales pulled the average upward. Homes took about 29 days to sell and closed at 95.57% of list, which reads as a fairly balanced higher-end market rather than an overheated one. Freeholds dominated the activity, while condo sales were limited and priced in a completely different tier.

Read the full Waterlooreport →

Estimate the monthly carry.

Down payment
%($319,980)
Mortgage rate
%
Amortization
years

Estimated monthly payment

$7,327

Principal$1,279,920
Total interest$918,037
Total paid$2,197,957

Estimate only. Excludes property tax, condo fees, and insurance.

Questions on this property?

Neso Basara

RE/MAX Icon Realty

Waterloo Region

Use the chat button to message me directly.

Or email me at neso@basara.ca

303 CASTLEFIELD Avenue, Waterloo — $1,599,900 | Basara