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-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.

5.0/5 · 16 Google reviews 🛡️ insured · $2M liability 🏗️ 18 years across the GTA 📞 416-317-3090

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.

Want a full breakdown? Mississauga excavation cost guide — real CAD ranges by neighbourhood and job — every common job, what drives the price up, and the gotchas this city throws at quotes.

Why Choose OCM for Excavation in Mississauga?

We pull Ontario One Call locates before any dig, carry full $2M liability insurance and 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 $2M liability insurance and full 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.

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No obligation. We’ll come out, walk the site, and give you a real number — fully insured, fully licensed, owner on every job since 2008.
★ ★ ★ ★ ★ 5.0 · 16 verified Google reviews
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416-317-3090
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Licensed · Insured · $2M CGL

More OCM Services in Mississauga

OCM Excavation also handles these specialty services in Mississauga:

Pool Removal in Mississauga · Sump Pump Installation in Mississauga · Egress Window in Mississauga · Window Well in Mississauga · Sewer Lateral Repair in Mississauga · Catch Basin in Mississauga · Emergency Excavation in Mississauga · Excavation Shoring in Mississauga

More Mississauga Services — Complete Coverage

OCM Excavation has dedicated Mississauga city pages for every service we offer. If you’re in Mississauga, find the specific service you need here:

Demolition & Foundation — Mississauga

Excavation, Trenching & Site Prep — Mississauga

Hardscape & Outdoor Construction — Mississauga

Drainage & Water Management — Mississauga

Free Mississauga quote on any of these services: 416-317-3090

French Drain Installation — Mississauga

Wet basement, soggy yard, or standing water near the foundation? See our dedicated French Drain Installation Mississauga page for foundation perimeter and yard drainage options, costs, and the City of Mississauga permit walkthrough. Free quote: 416-317-3090.

Get a Free Quote — Same-Day Response

Call or text us. We cover all of the GTA and typically respond within 2 hours during business hours.

Licensed · Insured · Serving GTA since 2008

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