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

For Sale
15 WELLINGTON STREET S Blue Mountains Ontario $799,900 ID#: X12758326

Lovingly built and cherished by the same family for over...

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  • 3 Beds
  • 2 Baths
For Sale
9 SHIRLEY COURT Blue Mountains Ontario $1,299,000 ID#: X12748594

An exceptional home tucked away on a quiet, family-friendly court...

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  • 4 Beds
  • 3 Baths
For Sale
14 - 134 LANDRY LANE Blue Mountains Ontario $1,099,000 ID#: X12728924

Welcome to The Enclave in the coveted Lora Bay community,...

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  • 3 Beds
  • 3 Baths
For Sale
1 - 108 LANDRY LANE Blue Mountains Ontario $899,000 ID#: X12712330

This sun-filled end-unit villa in sought-after Lora Bay offers a...

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  • 2 Beds
  • 4 Baths
For Sale
119 DOVE DRIVE Blue Mountains Ontario $585,000 ID#: X12682772

In the heart of Thornbury, Thornbury Meadows is a welcoming...

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  • 2 Beds
  • 2 Baths
For Sale
416400 10TH LINE Blue Mountains Ontario $2,899,000 ID#: X12640898

An exceptional and increasingly rare opportunity to acquire 90 acres...

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  • 0 Beds
  • 0 Baths
For Sale
145 BOUCHER STREET E Meaford Ontario $949,000 ID#: X12609262

Ultra low maintenance semi-detached home in the core of Meaford,...

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  • 5 Beds
  • 2 Baths
For Sale
57 NAPIER STREET W Blue Mountains Ontario $589,000 ID#: X12567030

Welcome to Thornbury Meadows, a vibrant 55+ land-lease community where...

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  • 2 Beds
  • 2 Baths
4 LOUISA STREET E Blue Mountains Ontario $1,250/Month ID#: X12527862

A unique opportunity to lease a ground-floor commercial unit in...

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  • 0 Beds
  • 1 Baths
For Sale
209009 26 HIGHWAY Blue Mountains Ontario $749,000 ID#: X12499914

Minutes from Georgian Peaks, private ski clubs, and Blue Mountain,...

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  • 3 Beds
  • 1 Baths
For Sale
103478 GREY 18 ROAD Meaford Ontario $1,045,000 ID#: X12459672

Beautiful Custom-Built Home on 2 Acres Minutes from Owen Sound!...

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  • 4 Beds
  • 4 Baths
For Sale
24 - 110 NAPIER STREET W Blue Mountains Ontario $899,000 ID#: X12417358

Welcome to Applejack The Woods, one of Thornbury's most desirable...

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  • 4 Beds
  • 4 Baths
For Sale
PART 7 LOT 28 HARBOUR BEACH DRIVE Meaford Ontario $375,000 ID#: X12415780

Privacy. Potential. Paradise.This lot is Zoned Shoreline residential (SR) allowing...

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  • 0 Beds
  • 0 Baths
For Sale
112 CAMERON STREET Blue Mountains Ontario $899,000 ID#: X12415157

Welcome to Cameron Street - one of Thornbury's most coveted...

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  • 3 Beds
  • 2 Baths
For Sale
137662 GREY ROAD 12 Meaford Ontario $2,150,000 ID#: X12372068

This rare property offers over 130 acres of scenic rolling...

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  • 3 Beds
  • 1 Baths
307 - 3 BRANDY LANE DRIVE Collingwood Ontario $2,500/Month ID#: S12789030

Annual unfurnished rental - This 3rd floor, 3-bedroom loft-style unit...

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  • 3 Beds
  • 3 Baths
For Sale
182 - 49 TROTT BOULEVARD Collingwood Ontario $460,000 ID#: S12559920

Bright & Private Condo Near The Blue Mountains! Discover this...

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  • 2 Beds
  • 2 Baths
For Sale
266 45TH STREET S Wasaga Beach Ontario $1,349,000 ID#: S12485492

Welcome to 266 45th Street - a rare in-town property...

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  • 4 Beds
  • 4 Baths
For Sale
150 PEEL STREET S Blue Mountains Ontario $2,500,000 ID#: X12415654

Exceptional Multi-residential Investment Opportunity in Thornbury!Set on 4.6 acres in...

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  • 2 Beds
  • 0 Baths
For Sale
227 SUNSET BOULEVARD Blue Mountains Ontario $1,850,000 ID#: X12723422

Waterfront on Sunset Blvd! Welcome to 227 Sunset Blvd, a...

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  • 3 Beds
  • 1 Baths

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