Pool for 3121 Theatre Rd, Cobourg Ontario K9A 4J7
18 hours on Market

3121 Theatre Rd, Cobourg, Ontario K9A 4J7

Detached
6 + 1
6
~5000 + sqft
$3,975,000
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Detached
6 + 1
6
~5000 + sqft

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Highlights

Property Estimate

Days on market18 hours

Estimated valueNot available

Price/Sqft$398/sqft

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Description

Set on 10 acres, mins from Cobourg, Port Hope, Trinity College School, and within reach of the GTA, this extraordinary 6+1 bed/6 bath, Hamptons-inspired estate was designed for gathering, celebrating & slowing down. Wrapped in mature landscaping & framed by resort-style outdoor spaces, it unfolds with over 9900 sq. ft. of curated living where natural light & seamless indoor-outdoor connections define every room. The main level offers expansive principal spaces designed for both everyday life & effortless entertaining, anchored by a luxurious main-floor primary suite w/private deck, a beautifully integrated flow from the front entry, to the executive kitchen, formal dining room & living area w/stone clad wood fp, vaulted tongue & groove ceilings & built-in cabinetry. Appreciate a separate living room w/ 2nd fp in addition to the breezeway connection to the 2-level, 1 bed/1 bath loft w/ glass rail balcony, creating flexibility for working at home, creative pursuits or multi-generational living. Upstairs, 4 spacious beds & 3 baths & 2nd laundry room, offer comfort & privacy while the finished lower level extends the home's versatility w/ insulated ceilings, access to the 3-car garage & newly renovated spaces for recreation, wellness, or extended family. Outside, the experience rivals a private resort, featuring a 1,900 sq. ft. cabana w/sound system, wood burning fp, bar, bathroom, change area & workshop. Settle in to enjoy the renovated in-ground pool, multiple flagstone entertaining terraces, b/i bbq area, tranquil koi ponds & more. Significant recent improvements include a premium new roofing system, upgraded heating & cooling infrastructure, restored exterior elements, modernized water systems, updated appliances, & extensive interior enhancements, offering peace of mind for years to come. Rarely does a property combine this level of privacy, scale, craftsmanship, & convenience so effortlessly-an exclusive country estate where life feels like a permanent escape.


Property Details

Style1 1/2 Storey
ViewHills, Panoramic, Trees/Woods, Pool
Age of property16-30
SqFt~5000 + SqFt
Lot Size441,661 SqFt(1051.85 x 419.89)
Parking Spaces18
MLS ®NumberX13224420
Community NameHamilton Township
Data SourceTRREB
Listing byRe/Max Hallmark First Group Realty Ltd.

Features

Heating: Forced Air
Cooling: Central Air
Fireplace
Basement: Full, Fin W/O

Features

Lot size: 441,661 SqFt
Pool: Inground

Parking

Garage spaces 3

Garage type Attached

Other parking spaces 15

Total parking spaces 18


Property History

Jun 1, 2026
ListedActive
$3,975,000
18 hours on market
history photo preview49
Listing by trreb®
Property listed by Re/Max Hallmark First Group Realty Ltd., Brokerage
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Market Data - Hamilton Township

Geo Zone Map ThumbnailHamilton Township

Buyer's Market

View Market Data

Detached house - for the past 30 days

Buyer's market Seller's market

Avg. Days on Market

Past 30 days

23 days

Compared to

2025

21 days

2024

35 days

2023

31 days

New Listings

Past 30 days

38 listings

Compared to

2025

48 listings

2024

36 listings

2023

69 listings

Units sold

Past 30 days

14 units

Compared to

2025

17 units

2024

23 units

2023

32 units

Median Sold Price

Past 30 days

$600,000

Compared to

2025

$880,000

2024

$750,000

2023

$870,000


Population and Demographics

Overview

Total population 12171
Average household income $142,276

Age (%)

0 to 19
19%
20 to 34
15%
35 to 49
16%
50 to 64
26%
65 and plus
24%

Household composition (%)

Single family
77%
Single person
20%
Multi person
2%
Multi family
1%

Mother tongue (%)

English
96%
Others
3%
French
1%

House tenancy (%)

Owners
94%
Renters
6%

What’s nearby?Essentials within 5 km

Local Logic

Transportation Scores

Estimated Budget