Excavation Contractor in Mississauga, ON
OCM Excavation & Construction provides professional excavation, site preparation, land grading, and trenching services across Mississauga — including Port Credit, Streetsville, Meadowvale, Lakeview. We’re licensed, fully insured, WSIB-certified, and have 35 years of Ontario excavation experience. Known for mix of tight urban lots and larger suburban properties. Call 416-317-3090 for a free on-site quote.
Excavation Services in Mississauga
- Basement & foundation excavation — residential and commercial digs.
- Site preparation & lot clearing — stripping, grading, pad prep for new builds.
- Land grading & drainage correction — fixing slopes, ponding, and negative grade.
- Trenching — water lines, sewer connections, gas, hydro, weeping tile.
- Post hole drilling — deck footings, fence posts, sonotubes to 4-foot frost depth.
- Mini excavator work — tight-access backyards and confined sites.
How Much Does Excavation Cost in Mississauga?
Excavation in Mississauga typically runs $4,000 to $14,000 for a residential basement, $2,000 to $6,000 for land grading, and $75 to $180 per linear foot for trenching. Mississauga has lakeshore areas have sandy soil, inland is clay-loam, which affects digging time and disposal volume. We give firm written quotes after a site visit — no guessing over the phone. See our full excavation cost guide for detailed ranges.
Why Choose OCM for Excavation in Mississauga?
We pull Ontario One Call locates before any dig, carry full $5M liability insurance and WSIB coverage, and we protect your property throughout the job. Our quotes are itemized and in writing — no surprises when the invoice arrives. We’ve been serving Mississauga and the broader GTA for 35 years and most of our work comes from referrals.
Frequently Asked Questions
Do I need a permit for excavation in Mississauga?
Yes for foundations, pools, additions, and most retaining structures. Contact the local building department for permit requirements specific to your project and property.
How long does excavation take in Mississauga?
Most residential excavation jobs in Mississauga take 1 to 5 days depending on depth, soil conditions, and access. We’ll give you a firm timeline at quote stage.
Are you licensed and insured for work in Mississauga?
Yes. OCM Excavation carries $5M liability insurance and full WSIB coverage. We provide certificates before any job starts.
Do you handle soil disposal in Mississauga?
Yes. We haul to licensed receiving sites and comply with Ontario’s excess soil regulations (O. Reg. 406/19). Haul cost is itemized in your quote.
How do I get a quote for excavation in Mississauga?
Call 416-317-3090 or fill out our quote form. We come to your Mississauga property, walk the site, and send a written number — free, no obligation.
Our Excavation Services
Excavation Services · Site Preparation · Land Grading · Trenching & Post Drilling · Mini Excavator · Pool Excavation
Wondering what your project will cost? Read our 2026 excavation cost guide for the GTA — real numbers, no fluff.