WELCOME TO BUILDS BY THE BAY REAL ESTATE SERVICES

Helping you buy or sell real estate where life's best stories begin in this 4-season playground.
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Your Local Real Estate Expert

Real estate isn’t just about buying or selling property, it’s where you create your life story. Let us help you buy or sell yours!

Sellers, begin your new story

Every property has a story worth telling. Whether you have a condo, vacant land, blue mountain chalet, cozy waterfront cottage or a family home, we handle everything from listing preparation to final sale with a personalized approach & customised marketing plan to attract the  right buyers.

Ready to list now?

Buyers, let's find your next chapter

Dreaming of ski days, hiking, water views, and a lifestyle you’ll actually love?
That’s our special pocket of Southern Georgian Bay.
Whether you’re after a condo, family home, or weekend retreat, I’m a LOCAL REALTOR® who can help you find the one. 

Ready to buy?
What's My Home Worth?

Trish Duncan, Thornbury REALTOR® ... and beyond

Whether you’re buying or selling real estate, you need someone who understands people, moves fast, and delivers results. I don’t just sell houses – I help people write their next chapter. With 10 years of experience and 300+ successful transactions totaling over $175 million in sales, I’ve guided countless clients through every plot twist the market throws their way. My Psychology training and Family Mediation background give me an edge in negotiations that gets you the best deal, while my experience running a fast-paced roof repair company taught me that timing is everything — in real estate, it’s the difference between a happy ending and a missed opportunity. Combined with my absolute love and passion for this 4-season paradise, I’m ready to help you turn the page today!

Ready to turn the page with me?
Trish Duncan, REALTOR®, Thornbury local real estate agent, The Blue Mountains local real estate agent. Get in touch with builds by the bay real estate services today!

Featured Listings

1 - 6 LOUISA STREET E Blue Mountains Ontario $1,800/Month ID#: X13213076

Welcome to downtown Thornbury living! This bright 2nd-floor, 1-bedroom apartment...

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  • 1 Beds
  • 1 Baths
For Sale
6 - 25 LANSDOWNE STREET S Blue Mountains Ontario $750,000 ID#: X13137526

Low-maintenance living in this stunning 2,000 sq.ft. Thornbury Mews condo....

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  • 3 Beds
  • 4 Baths
For Sale
9 - 25 LANSDOWNE STREET S Blue Mountains Ontario $825,000 ID#: X13137588

Low-maintenance living in this stunning 2,024 sqft Thornbury Mews condo.4...

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  • 4 Beds
  • 3 Baths
For Sale
LOT 12 PART 3 10TH LINE Blue Mountains Ontario $775,000 ID#: X13477094

Discover 19 acres of exceptional land in the heart of...

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  • 0 Beds
  • 0 Baths
For Sale
415799 10TH LINE Blue Mountains Ontario $1,495,000 ID#: X13476634

Welcome to your own 17-acre countryside retreat in the heart...

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  • 5 Beds
  • 3 Baths
For Sale
132 DORY ROW Blue Mountains Ontario $1,190,000 ID#: X13215272

Welcome to the 4-seasons lifestyle at the Cottages of Lora...

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  • 2 Beds
  • 3 Baths
For Sale
132 DORY ROW Blue Mountains Ontario $1,190,000 ID#: X13160128

Welcome to the 4-seasons lifestyle at the Cottages of Lora...

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  • 2 Beds
  • 3 Baths
For Sale
120 WARDS ROAD Blue Mountains Ontario $1,299,000 ID#: X12993024

Where Every Season Beckons - And Every Detail Delivers. Perfectly...

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  • 4 Beds
  • 4 Baths
For Sale
25 POLLARD DRIVE Meaford Ontario $725,000 ID#: X13424090

Welcome to 25 Pollard Drive. This well-maintained 3+1 bedroom home...

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  • 4 Beds
  • 2 Baths
For Sale
91 BRIDGE STREET Meaford Ontario $999,000 ID#: X13206672

Beautiful 4 bedroom, 3 bathroom, century home in Meaford, where...

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  • 4 Beds
  • 3 Baths
For Sale
3 - 209528 26 HIGHWAY Blue Mountains Ontario $339,000 ID#: X13120842

Well maintained 2 bedroom condo in a unique one-level building...

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  • 2 Beds
  • 1 Baths
For Sale
446070 JOHNSTON'S SIDE ROAD Grey Highlands Ontario $1,395,000 ID#: X13109696

Tucked away at the end of a quiet dead-end road,...

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  • 3 Beds
  • 3 Baths
For Sale
38 PLEWES DRIVE Collingwood Ontario $609,000 ID#: S13461584

Welcome to 38 Plewes Drive, located in the sought after...

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  • 3 Beds
  • 3 Baths
For Sale
35 BARKER BOULEVARD Collingwood Ontario $799,000 ID#: S13077230

Discover the perfect blend of comfort and elegance in this...

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  • 2 Beds
  • 3 Baths
For Sale
118 MARSH STREET Blue Mountains Ontario $485,000 ID#: X13139572

Welcome to the charming town of Clarksburg; a small-town, art-forward...

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  • 2 Beds
  • 1 Baths
For Sale
166 SUNSET BOULEVARD Blue Mountains Ontario $1,450,000 ID#: X13121176

Welcome to Sunset Blvd - one of Thornbury's most coveted...

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  • 3 Beds
  • 3 Baths
For Sale
143 MARSH STREET Blue Mountains Ontario $499,000 ID#: X13252460

Welcome to the perfect canvas for your custom four-season retreat!...

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  • 0 Beds
  • 0 Baths
For Sale
114 EIGHTH STREET Collingwood Ontario $625,000 ID#: S13418722

Some homes are just houses. This one has a story....

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  • 3 Beds
  • 2 Baths
6 - 16 BRUCE STREET N Blue Mountains Ontario $16/Month ID#: X13455696

Seize the opportunity to position your business in this thriving...

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  • 0 Beds
  • 2 Baths
For Sale
69 - 100 ALICE STREET W Blue Mountains Ontario $529,000 ID#: X13086114

RANKINS LANDING-Four bedrooms. At this GREAT price point. In Thornbury...

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  • 4 Beds
  • 2 Baths

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