🏗️ New Construction in Seguin

New Construction & Newly Built Homes in Seguin

Newly built homes, pre-construction assignments, and builder-ready models. Browse real-time MLS® listings, updated every 15 minutes with complete photo galleries and price histories.

Active Listings6Properties available
🔥 Price Drops🏡 Bungalows🏘️ Townhouses🏰 Detached Homes🏢 Condos💰 Under $800k🏷️ Under $750k🎯 Under $1M✨ Luxury ($2M+)🔑 In-Law Suites🔨 Fixer-Uppers🏊 Inground & Heated Pools🌊 Waterfront & Views🏢 Multi-Family & Duplex🏗️ New Construction
Residential Freehold for sale - 3 Bed, 2 Bath Home at 23 Lock Street Seguin ON listed at $699,999 (MLS# X13684550)
$699,999
3bd
2ba
Residential Freehold

23 Lock Street, Seguin

Aug 17, 2026
DOM: 30

Welcome to 23 Lock Street. A beautifully updated home tucked in the picturesque Village ofRosseau. T...

MLS#: X13684550
For Sale
Commercial for sale - 0 Bed, 0 Bath Home at 39 Sandy Plains Road Seguin ON listed at $1,299,000 (MLS# X13642500)
$1,299,000
0bd
0ba
Commercial

39 Sandy Plains Road, Seguin

Aug 5, 2026
DOM: 42

Amazing And Rare Opportunity To Own A Profitable Convenience With Bldg, Lcbo Agency Store, High Sale...

MLS#: X13642500
For Sale
Residential Freehold for sale - 8 Bed, 8 Bath Home at 1952 Hwy 69 Highway Seguin ON listed at $10,995,000 (MLS# X13433304)
$10,995,000
8bd
8ba
Residential Freehold

1952 Hwy 69 Highway, Unit B, Seguin

Jun 11, 2026
DOM: 97

A generational legacy on the storied western shore of Lake Joseph, one of the most prestigious lakes...

MLS#: X13433304
For Sale
Residential Freehold for sale - 8 Bed, 9 Bath Home at 0 Bumble Bee Road Seguin ON listed at $19,999,000 (MLS# X13092370)
$19,999,000
8bd
9ba
Residential Freehold

0 Bumble Bee Road, Seguin

May 6, 2026
DOM: 133

Set along the coveted shores of Lake Joseph, this exceptional new build is currently under construct...

MLS#: X13092370
For Sale
Residential Freehold for sale - 5 Bed, 2 Bath Home at 9 Haven Drive Seguin ON listed at $2,100,000 (MLS# X12602836)
$2,100,000
5bd
2ba
Residential Freehold

9 Haven Drive, Seguin

Dec 2, 2025
DOM: 288

Horseshoe Pines Marina, the sole marina situated on Horseshoe Lake. The property spans 2.3 acres. It...

MLS#: X12602836
For Sale
Commercial for sale - 0 Bed, 0 Bath Home at 39 Sandy Plains Road Seguin ON listed at $1,395,000 (MLS# X12486386)
$1,395,000
0bd
0ba
Commercial

39 Sandy Plains Road, Seguin

Oct 28, 2025
DOM: 323

Amazing And Rare Opportunity To Own A Profitable Convenience With Bldg, Lcbo Agency Store, High Sale...

MLS#: X12486386
For Sale
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Frequently Asked Questions

New Construction & Brand New Builds in Seguin FAQs

How often are new construction & brand new builds updated for Seguin?

Our MLS® property feed syncs directly with real estate boards across Ontario every 15 minutes. Any new listing, price drop, or status update in Seguin appears on this page in real time.

Can I get notified if a price drops on any new construction & brand new builds in Seguin?

Yes! Click the "Notify Me of Price Drops" bell icon on any property card or the alert button on this page to receive instant alerts the moment a seller reduces their asking price.