# How Much Does Armour Stone Cost in Toronto? (2026 Prices per Ton, per Foot and per Project)

> Armour stone costs $200–$450 per ton installed in Toronto and the GTA in 2026, with the stone itself about a third of that and excavation, base, machine placement and backfill the rest. A single-course wall about 2 ft high uses roughly one ton for every 3–4 linear feet, so budget $60–$150 per linear foot per course. A small garden border of 2–3 tons runs $800–$1,500, a typical front-yard feature or low retaining wall $3,000–$15,000, and a full ravine-lot retaining wall of 30–50 tons $10,000–$20,000 or more.

*Category: landscaping | 7 min read | Updated 2026-10-01*

## What you are paying for

Armour stone is sold by the ton, and so is the installation. The stone — massive natural limestone slabs split along their beds at the quarry — is roughly a third of the installed price. The rest is delivery (a flatbed and often a crane truck for anything the excavator can't lift off), excavation of the trench below frost line, a compacted granular base, machine placement with an excavator and thumb, drainage behind the wall, and granular backfill in compacted lifts. Face-weight 'armour stone' sold by the square foot for veneers is a different product and should not be compared on price.

## 2026 price guide

| How it's measured | Typical GTA cost | Notes |
| --- | --- | --- |
| Per ton, installed | $200–$450 | Low end: easy access, small stones; high end: crane placement, tight site |
| Per linear foot, one course (~2 ft high) | $60–$150 | One ton covers roughly 3–4 linear ft of single course |
| Per linear foot, two courses (~4 ft high) | $130–$300 | Larger base stones, more excavation, engineering over 1 m |
| Garden bed border, 2–3 tons | $800–$1,500 | Smallest practical job for machine placement |
| Front-yard wall or feature | $3,000–$15,000 | The most common residential armour stone project |
| Ravine-lot retaining wall, 30–50 tons | $10,000–$20,000+ | Engineered, with drainage pipe and clear-stone chimney |

## Six things that move the price

1. Access. A mini-excavator needs about 5 ft of clear width. Narrow side yards mean a smaller machine, smaller stones and more placements per ton — or a crane over the house, which is a different budget.
2. Stone size. Big stones are cheaper per ton to place (fewer lifts) but need bigger equipment; a wall over 3 ft high needs base stones in the 2–4 ton class.
3. Weathered versus sawn face. Natural weathered-face stone is the standard; sawn or guillotined faces for a cleaner look add 15–30%.
4. Height and engineering. Over 1 m of exposed height, most GTA municipalities require engineered drawings ($1,500–$3,500) and sometimes a permit.
5. Drainage. A wall holding back a slope that collects water needs perforated pipe and a clear-stone drainage layer behind it; skipping it is how armour stone walls lean.
6. Season and distance. Quarry trucking from the Bruce Peninsula is a fixed cost that matters more on a 3-ton job than a 30-ton one; spring and fall book up fastest.

## Armour stone versus the alternatives

| Wall type | Installed cost (per sq ft of face) | Lifespan | Maintenance |
| --- | --- | --- | --- |
| Armour stone | $45–$90 | Effectively permanent | None — no caps, glue or geogrid to fail |
| Segmental block (e.g. Unilock, Techo-Bloc) | $35–$70 | 25–40 years | Caps re-glued, occasional releveling |
| Poured concrete | $50–$100 | 40–60 years | Crack sealing; needs a finished face |
| Pressure-treated timber | $20–$40 | 10–20 years | Rots from the back; replace, don't repair |

On a per-square-foot basis armour stone sits above modular block, but it is the only option in that table that does not have a replacement date. On a ravine lot in Toronto, Mississauga's Credit River valleys or the Oakville escarpment, that is usually the deciding factor — and it is also the material those neighbourhoods expect to see.

> Ask for full-weight stone and a per-ton price with delivery, placement and backfill included. A per-stone or per-foot quote that leaves out the base and drainage is how a $9,000 wall becomes a $14,000 wall.

**Q: How many tons of armour stone do I need?**

As a rule of thumb, a single course about 2 ft high uses one ton for every 3–4 linear feet; a 30-ft front-yard wall is therefore 8–10 tons, and a two-course wall roughly doubles that because the base course uses larger stones. We confirm tonnage from the wall height, length and stone size at the estimate visit.

**Q: Does an armour stone wall need a permit in Toronto?**

Walls over 1 m (about 3 ft) of exposed height generally require engineered drawings and may need a permit in Toronto, Mississauga, Vaughan and most GTA municipalities; lower garden walls usually do not. Ravine and waterfront lots have extra approvals regardless of height.

**Q: Is armour stone cheaper than a block retaining wall?**

Not usually on day one — block runs $35–$70 per square foot of face against $45–$90 for armour stone. Over 30 years it often is, because block walls need caps re-glued and sometimes rebuilding, while an armour stone wall on a proper base needs nothing.

**Q: Can armour stone be installed without heavy equipment?**

No. Even the smallest useful stones weigh 500 lb or more, so placement needs an excavator with a thumb. If there is no 5-ft access route to the site, natural flagstone or segmental block is the practical substitute.

## Related Services
- [Armour Stone Installation](https://buildoreno.ca/landscaping/armour-stone)
- [Retaining Walls](https://buildoreno.ca/landscaping/retaining-walls)
- [Natural Stone & Flagstone](https://buildoreno.ca/landscaping/natural-stone)
- [Landscaping Cost Guide](https://buildoreno.ca/landscaping-cost-toronto)

[Read full article](https://buildoreno.ca/blog/armour-stone-cost-toronto)