In Sarnia, for most standard jobs, you’re looking at about $300 to $500 per pile. But if your project is bigger or more complex, the price climbs, usually somewhere around $650 to $1,000 per pile. The price point you’ll end up paying mostly depends on your project size, soil conditions, and structural load.
Since screw piles are quicker to install than any other type of foundation, highly durable, and often cheaper than concrete foundations, they are a great long-term investment.
- This guide introduces you to average costs, what influences pricing, and how to save money on professional installation. Are you ready to plan your project confidently?
Are screw piles expensive in Sarnia?
In Sarnia, like anywhere else in Canada, screw piles are not considered expensive. Most residential projects fall in a reasonable range because installation is fast and requires less excavation than concrete.
As a result, they often end up cheaper in labour and time. When the soil is stable, and the piles don’t need to go deep, costs stay on the lower end. You mainly pay for the structural load, site access, and the number of extensions.
For most homeowners, screw pile installation is an affordable and reliable option that keeps budgets predictable.
How much are screw piles in Sarnia in 2025?
In 2025 in Sarnia, Ontario, the average price per pile, including the installation, falls between $300 and $500. However, you must understand that the price you pay depends on the size of your project and the load each pile needs to support.
- Small residential jobs (P1) prices start around $300 per pile, including installation. They fall on the lower end because they require lighter piles and fewer extensions.
- For medium projects (P2), expect about $500 installed. They move into a higher price point since they need more torque and stronger pile grades.
- When you get into large structural work (P3, P4, P5), the price climbs to $650 to $1,000. The piles must handle heavier loads, deeper installations, and stricter engineering requirements.
These bigger builds are where you’ll see the premium rates, but they apply only to very large projects. This quick breakdown helps you understand where your project may fit before getting quotes.
How do you know which pile you need?
The truth is, you won’t know for sure until a professional checks your site. But you can get a good idea by looking at your project size and the soil type.
Small residential jobs need lighter piles, while bigger structures need thicker, stronger ones. Soil that’s loose or uneven will most likely require longer piles or extra extensions.
The only real way to know your foundation is safe and up to code is to have a professional take a look. That upfront inspection might feel like an extra step, but it’s genuinely essential.
How much does a screw pile foundation cost in Sarnia?
As you may know by now, the cost of a screw pile foundation in Sarnia mainly depends on the size and load of your build.
Here are the average range prices :
| Project | Number of piles | stimated cost |
|---|---|---|
| Small deck | 4 | $1,200 |
| Small deck | 6 | $3,000 |
| Medium deck | 8 | $3,800 |
| Light veranda | 12 | $7,000 |
| Solarium | TBD | $9,000 |
| Heavy home extension | TBD | $15,000 |
*Taxes are not included in the prices.*
What factors influence the cost of helical piles in Sarnia?
Experts calculate the price of every helical pile foundation relying on multiple components such as soil conditions, required depth, pile grade, structural load, site access and engineering.
Soil conditions and required depth
The type of soil on your site and how deep the piles need to go have a big impact on cost. Loose or uneven soil usually requires more extensions, which drives up the price. Shallow piles in stable soil are cheaper and faster to install, while deep piles in challenging soil take more time, materials, and effort.
Pile diameter, grade and structural load
The size and grade of the pile, along with the structural load it must support, are major cost drivers. Bigger piles, higher-grade materials, or piles that need more torque to install naturally cost more. Essentially, the stronger and heavier your structure, the more robust the piles, and the higher the price.
Site access and equipment required
How accessible your site is plays a crucial role in pricing. Tight spaces, obstacles, or uneven terrain require specialized small machinery or extra labour, which adds to costs. Easy-to-reach sites with flat ground are cheaper because the installation crew work faster and with less equipment.
Engineering, pile head, and volume pricing
Engineering requirements and pile head design affect the total cost. Complex projects need custom pile heads or extra calculations to ensure safety. On the flip side, if you’re doing a bigger project, the cost per pile usually drops because installing several at once is more efficient.
What’s included in the price you pay?
When you hire a contractor specialized in pile foundations, the price covers more than just the piles themselves. As a matter of fact, quotes include:
- Piles
- Installation
- Basic site preparation
- Labour
- Compact hydraulic machinery
- Expertise required to ensure the piles are installed safely and to code
For larger projects, engineering consultation, custom pile heads, and additional materials may be included as well. Knowing exactly what’s included in the quote will help you compare apples to apples and avoid any unexpected costs later on.
Are screw piles cheaper than concrete in Sarnia?
Yes, in many cases, screw piles are cheaper than concrete foundations. The main reason is installation speed. Screw piles can be installed in hours, while concrete requires excavation, forming, pouring, and curing, which takes days. Less labour means lower costs. You also save on materials, since you don’t need large amounts of concrete, forms, or reinforcement.
For small to medium projects like decks, verandas, or light residential additions, the savings are even more noticeable. Even for larger structures, screw piles often remain cheaper because they reduce site preparation time and equipment needs.
On top of that, screw pile foundations last for decades, making them not just cheaper upfront but also a great financial investment in the long term.
How to save money on your screw pile professional installation in Sarnia?
The best way to save money on your screw pile foundation, start by comparing quotes from multiple contractors. While you do so, look beyond the price and check what’s included, like site preparation, equipment, and engineering.
Then if this option is available to you, consider scheduling your project during slower seasons. When companies have an open calendar, they are more likely to lower their price. Also, to reduce costs, bundling multiple piles or projects at once decreases the unit cost.
Finally, make sure the contractor is experienced and certified. A proper installation avoids costly repairs later. It’s really simple, a little planning up front will automatically save you hundreds of dollars.
Sarnia screw pile deck installation cost for a typical residential project
Sarah P., a homeowner in Sarnia, wanted to build a 12’ x 16’ backyard deck. She contacted us to get a professional quote for a screw pile foundation. After inspecting her backyard, which has fairly stable soil but a slight slope, the contractor recommended 8 helical piles to properly support the deck.
The quote she received included:
- $400 per pile installed, covering labour, machinery, and cleanup.
- Soil assessment and basic engineering.
- Installation completed within a few hours.
The total came to $3,360 before tax.
By comparing quotes from two other local contractors, Sarah confirmed that by working with us, she got a fair price.
FAQ - Screw piles in Sarnia
What are screw piles?
Screw piles, also called helical piles, are a type of foundation made of steel and composed of three main parts: the central shaft, the blade, and the supporting head. They are mechanically screwed into the ground, below the frost line, and are used to support all kinds of residential and commercial structures.
How many screw piles do you need?
The number of screw piles required depends on the size and weight of your project, as well as the type of soil on your site. Heavier structures or weaker soils tend to need more piles to ensure a stable and safe foundation.
How much weight can a screw pile hold?
A single screw pile can support thousands of pounds, but the exact weight depends on the pile’s size and the soil conditions at the installation site.
Can you install screw piles yourself?
Technically, it’s possible to install screw piles yourself, but it’s not recommended. Proper installation requires the right equipment, knowledge of soil conditions, and accurate alignment to ensure the safety and stability of the foundation.
How deep do screw piles go?
On average, a screw pile is installed between 8 to 25 feet deep based on the soil type, structural load, and frost line.
How long do screw piles last?
A helical pile foundation has a lifespan of 75 to 100 years, or even more when manufacturers use certified and quality products.
When is the best time to install screw piles in Sarnia?
Screw piles in Sarnia can be installed any time of the year, even in frozen ground, which means during winter.
Why are helical piles ideal for the Ontarian climate?
Helical piles are perfect for Ontario because they handle the freeze-thaw cycles and variable soil conditions common in the region.
Which companies offer screw pile installation services in Sarnia, Ontario?
The best companies offering screw pile installation services are right here. The only thing you have to do is fill out our form, and you’ll be matched with the perfect company and the most experienced companies near you.
Compare prices of screw piles from leading Ontarian suppliers today!
If you are ready to receive personalized quotes for your upcoming build in Sarnia or anywhere in Ontario, don’t leave yet. We have exactly what you are looking for: certified and experienced installers, competitive pricing, guaranteed piles, and motivated teams ready to send you their best offers.
- Fill out the form, just in a few clicks, inform us of your plan, and let our partners send you free quotes, with no obligation.
Whether you are building a deck, a shed or a home extension, you deserve a solid foundation at an excellent price.
