303 Castlefield Avenue, Waterloo, ON

$1,599,900
MLS#:X13145078
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4 beds
4 baths
2500-3000 sqft
8.0 parking
Residential Freehold
Sold property - 4 Bed, 4 Bath Home at 303 Castlefield Avenue Waterloo ON listed at $1,599,900 (MLS# X13145078) - Main View
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This property was sold on May 22, 2026. Listing is for reference only.
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Added:May 19, 2026(119 days ago)
Updated:May 22, 2026(116 days ago)
Last Checked:19 minutes ago

Property Highlights

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Welcome to this remarkable 2-Storey detached located in the coveted neighborhood of Waterloo. Expertly crafted featuring premium board & batten and brick construction, this residence presents an exceptional opportunity offered at $1,599,900 to acquire a beautiful home in a highly sought-after setting. Designed for both comfortable daily living and elegant entertaining, the layout maximizes natural light, functional flow, and lifestyle utility.

  • 4 Bedrooms and 4 Bathrooms
  • Generous living space spanning 2500-3000 sqft on a premium 68.09 x 171.26 ft lot
  • Features a full, finished, walk-up, separate entrance basement, adding superb versatility for recreation, a home gym, or extra storage
  • 8.0 total parking spaces available with a convenient attached configuration
  • Notable attributes: Air Exchanger, Auto Garage Door Remote, Central Vacuum
  • equipped with central air central cooling and highly efficient forced air heating via gas

Description

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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!

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Property Summary

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This detached home located at 303 Castlefield Avenue, Waterloo is currently for sale and has been available on SousaSells for 119 days. This property is listed at $1,599,900 with an estimated mortgage of $5,325* per month. It has 4 beds, 4 bathrooms, and is 2500-3000 square feet. 303 Castlefield Avenue, Waterloo

* Estimated mortgage assumes a 30% down payment, 4.00% interest rate, and 30-year amortization.
Is this a Good Home for Families?

Yes! Featuring 4 bedrooms and 4 bathrooms, this home offers ample space and comfort for growing families in Waterloo.

Highly Recommended for Families
What We Love About This Home
  • •4 spacious bedroom layout offering versatile living space
  • •4 well-appointed bathrooms
  • •2500-3000 sqft of generous functional square footage
Standout Features & Layout
Who Should Buy This Home?

Growing families needing multi-bedroom flexibility and space in Waterloo.

Target Buyer Match

Key Features

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Bedrooms
4
Bathrooms
4
Kitchens
1
Living Area
2500-3000 sqft
Property Type
Residential Freehold

Additional Details

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StatusSold
Sold DateMay 22, 2026
Sold price information is available to members only
AddedMay 19, 2026 (119 days ago)
UpdatedMay 22, 2026 (116 days ago)
Last Checked19 minutes ago
Transaction TypeFor Sale
List Office NameRE/MAX TWIN CITY REALTY INC.

Property Details

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Property Sub-TypeDetached
Architectural Style2-Storey
ConstructionBoard & Batten , Brick
BasementFull, Finished, Walk-Up, Separate Entrance
Lot Size68.09 × 171.26 Feet
CountyWaterloo
Annual Tax$9,886.4
Rental ItemsHOT WATER HEATER
Legal DescriptionLT 125 PL 921 CITY OF WATERLOO; S/T 176235; WATERLOO

Parking & Garage

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Parking Total8.0
Parking Space6
Garage TypeAttached

Heating & Cooling

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Heat SourceGas
Heat TypeForced Air
CoolingCentral Air

Features

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Property Features

  • Golf
  • Greenbelt/Conservation
  • Park
  • Place Of Worship
  • School
  • Rec./Commun.Centre

Interior Features

  • Air Exchanger
  • Auto Garage Door Remote
  • Central Vacuum
  • In-Law Capability
  • Sump Pump
  • Water Softener
  • Water Purifier

Security Features

  • Smoke Detector
  • Carbon Monoxide Detectors

Community Features

None listed

Property History

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No historical data available for this property.

This could be the first listing for this address.

Waterloo Homeowner & Seller AdvisoryVerified Sold Comp

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This property at 303 Castlefield Avenue, Waterloo, ON has closed. If you own a home on this street or nearby in Waterloo, recent market trends and verified sold prices directly determine your home equity.

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Frequently Asked Questions about 303 Castlefield Avenue, Waterloo, ON

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Q.What is the asking price for 303 Castlefield Avenue, Waterloo, ON ?

The current listing price for 303 Castlefield Avenue, Waterloo, ON in Waterloo is $1,599,900.

Q.How many bedrooms and bathrooms does this property have?

This property features 4 bedrooms and 4 bathrooms across approximately 2500-3000 sqft.

Q.What property type and architectural style is 303 Castlefield Avenue, Waterloo, ON ?

303 Castlefield Avenue, Waterloo, ON is a Detached (2-Storey) featuring a Full, Finished, Walk-Up, Separate Entrance basement.

Q.What key property features does 303 Castlefield Avenue, Waterloo, ON offer?

Key property features include: Golf, Greenbelt/Conservation, Park, Place Of Worship, School, Rec./Commun.Centre.

Q.What interior features are included in this home?

Interior highlights include: Air Exchanger, Auto Garage Door Remote, Central Vacuum, In-Law Capability, Sump Pump, Water Softener, Water Purifier.

Q.What security features are installed at 303 Castlefield Avenue, Waterloo, ON ?

Security features include: Smoke Detector, Carbon Monoxide Detectors.

Q.Is parking available at this property?

Yes, this property offers parking space for 8.0 vehicles (Attached).

Q.What heating and cooling systems are installed?

Heating is provided via Gas and cooling via Central Air.

Location

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303 Castlefield Avenue, Waterloo, ON
Neighborhood Safety Index

Neighborhood Safety & Crime Analytics

Waterloo, Waterloo

SAFETY RATING9.4 / 10
Low Incident Area
Total Annual Incidents35 incidents / yr
Average Per Month2.9 incidents / mo
Population BenchmarkArea Average residents
Personal Safety
Very Low

8 assaults (30.0/100k)

Property Security
Very Low

8 B&E (30.0/100k)

Auto Theft Risk
Low Risk

10 thefts (35.0/100k)

1-Year Trend
â–¼ 6%

Improving vs previous year

How Per-Capita Rate (Per 100,000 Residents) Is Calculated:

Formula: (Annual Occurrences / Population) × 100,000. This standard policing calculation normalizes incident frequencies across different population sizes, allowing accurate safety comparisons between quiet residential pockets and dense urban centres.

Source: Official Police Services ArcGIS Open Data
Halton & GTA Police Network

Disclaimer: Crime and safety analytics are compiled from official municipal and regional police open data records for general consumer informational and demographic research purposes only. Data is deemed reliable but is not guaranteed and does not constitute a legal representation or guarantee of future safety.

Pricing & Value Insights

Data-driven valuation for 303 Castlefield Avenue, Waterloo, ON N2K 2M4

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Estimated Sales Range
$1.2M - $1.4M

Based on 0 recent similar sales in the pocket.

Market Speed
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Properties in this area are selling at a steady pace.

Market Trend
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Waterloo Neighborhood Guide

Comprehensive city-wide demographics, local real estate stats, and school rankings for Waterloo.

Verified Local Data
City Population575,847
City Median Age38 Yrs
City Ownership65% Owners
Avg Area List Price$861,587

People & Families

Age Distribution

Household Composition

One-person households
25%
Families with children
45%
Couples without children
28%
Other households
3%

Top Ethnic Origins

English18%
German17%
Scottish15%
Irish15%

Best Schools in Waterloo

Elementary Schools

L'Harmonie
Public158 Bridgeport Road East, Waterloo, Ontario, N2J 2K4
6.5
Elizabeth Ziegler
Public90 Moore Avenue South, Waterloo, Ontario, N2J 1X2
6.3
Winston Churchill
Public100 Milford Avenue, Waterloo, Ontario, N2L 3Z3
5.5
Our Lady of Lourdes
Public55 Roslin Avenue South, Waterloo, Ontario, N2L 6N5
5.0
Mère-Élisabeth-Bruyère
Public280 Glenridge Drive, Waterloo, Ontario, N2J 3W4
6.8

Secondary Schools

St. David
Catholic4 High Street, Waterloo, Ontario, N2L 3X5
8.0
Bluevale
Public80 Bluevale Street North, Waterloo, Ontario, N2J 3R5
7.0

Waterloo Demographic Home information

Structural Home Types

Tenure (Ownership vs Rental)

Owner-Occupied65%
Rented35%

Need more details or a custom CMA?

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Notice: Market Insights are generated by analyzing real-time data and should be used for informational purposes only. Consult with a licensed professional for exact valuations.

Disclaimer: AI Insights are generated by an automated system and should be used for informational purposes only. While we strive for accuracy using current market data and deep-learning models, these assessments do not constitute professional real estate, legal, or financial advice. All property values, predictions, and scores are estimates. We strongly recommend verifying all property details and conducting independent due diligence with a licensed professional before making any purchase decisions.

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