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Industrial + Commercial + Residential P.Eng Stamped $5M Insured
Excavation crew working a clean Toronto residential job site
Serving Queen St East to Ashbridges Bay

Excavation in Leslieville, From Queen St E Cottages to the Film District

Pro Excavation Toronto provides worker-cottage underpinning, dig-outs, sewer lateral replacement and commercial site prep throughout Leslieville, backed by 22+ years combined Toronto excavation and underpinning experience. Leslieville runs from the Don River east to Coxwell and from Queen Street East up to Danforth. The housing stock is late Victorian workers' cottages and semis on narrow 16-to-20-foot lots, with basements built for storage and coal, not living. Our local case study is a $186K underpinning and heritage brick protection job on a semi that went from a 6 ft 10 in basement to 9 ft 4 in finished headroom without a crack on the neighbour's party wall side. The Film District along Eastern Avenue adds commercial site prep and shoring work to the mix.

  • Site visit within 48 hours
  • Permits via Toronto Building, East York Civic Centre
  • P.Eng stamped, $5M + WSIB
  • 24h emergency water + sewer
Request a Free Site Visit Call (647) 277-2002
22+
Years
24h
Written quote
4h
Emergency
Fixed-Price Proposal

Book a Free Site Visit

Site visit in 48 hours. Written quote on letterhead in 24 hours after that. Fixed-price. P.Eng stamped where required.

No obligation. Written quote on letterhead before any contract.

  • 22+
    Years Combined
  • 100%
    P.Eng Stamped
  • 24h
    Written Quote
  • $5M
    Liability + WSIB
  • 4h
    Emergency On-Site
What Goes Wrong

Low Basement or Lateral Trouble in Leslieville?

Worker cottage dig-out with a party wall 10 cm from the neighbour

The 1890 brick cottage has a 6 ft 10 in basement, lime-mortar foundations and a semi party wall within 10 cm of the neighbour's chimney stack.

Why it happens here: Victorian workers' cottages were built with storage basements, shallow footings and continuous party walls that shared loads with the neighbour's house from day one.

How we fix it: Our engineered 1.2 m pin sequencing with continuous P.Eng monitoring and a neighbour condition survey means the dig-out lands at 9 ft 4 in finished with no cracks on either side, matching our $186K case study.

Plan rejected on first submission

Underpinning and deep excavation are structural work. Drawings without an Ontario P.Eng stamp, a 1.2 m pin sequence and shoring details come back from Toronto Building, East York Civic Centre for revisions, which can add 6 to 10 weeks.

Neighbour objection mid-project

Shared walls and tight side yards mean the neighbour is part of the job. Skip the notice package and condition survey, and a complaint or variance objection can stop work for months.

A live utility strike

Gas, hydro, water and telecom lines run under almost every yard. Digging without Ontario One Call locates and hydrovac daylighting risks a strike that costs $15K to $120K and shuts the site down.

Local Overview

Worker-Cottage and Semi Underpinning in Leslieville

Leslieville is the heaviest underpinning market in the east end. Victorian worker cottages along Queen St E, Jones, Greenwood and Coxwell routinely get dug out from 6 ft 6 in to 9 ft 4 in, and the sewer lateral under the front walk usually needs replacing while we are already there.

Typical housing and sites
Late Victorian workers' cottages and semis on 16-to-20-ft lots with 6 ft 6 in to 7 ft basements and clay laterals
Permit office
Toronto Building, East York Civic Centre (City of Toronto (Toronto and East York district))
Why this area is different
Leslieville is Toronto's most active underpinning submarket; our $186K Riverdale-Leslieville border dig-out finished with zero party-wall cracks and a lateral replacement during the same dig.
Stamped drawings on a site table beside an excavation
Stamped drawings on a site table beside an excavation
Most Requested Here

Excavation Services Most Booked in Leslieville

The services clients here ask us for most, listed by how often local conditions call for them. Every one is quoted in writing within 24 hours of the site visit.

Underpinning

$30K-$200K

We lower Toronto basements below the existing footing in engineered 1.2 m pins, so a 6 ft 10 in basement becomes 9 or 10 feet of legal living space. Marko Pavlovic P.Eng stamps every sequence to OBC Part 4 before the permit goes in, our expeditor carries the file through Toronto Building and the Committee of Adjustment, and hydrovac daylighting clears Toronto Hydro and Enbridge lines first. Each pin is inspected before the next is poured, which means your party wall and your neighbour stay protected.

P.Eng StampedToronto Building LiaisonParty-Wall Protection
Includes
Engineering, permits, sequencing, inspections, new slab
Timeline
8-16 weeks contract to final inspection (permit 4-8 weeks, sequencing 3-6 weeks, interior + waterproofing 2-3 weeks)

Leslieville semi lowered from 6 ft 10 in to 9 ft 4 in, finished 3 weeks ahead of schedule ($142K).

Get an Underpinning Quote for Underpinning

Basement Excavation

$12K-$45K

We remove the slab and soil inside your existing basement, or dig a new-build basement from grade, so you gain the height for a family room or a legal second suite. On narrow Toronto lots we work through side yards under 1 m with conveyors and mini-excavators, stage soil in permitted bins and haul it off daily. Every dig-out is paired with the structural method our P.Eng specifies, then finished with weeping tile, clear stone, XPS and a new slab, which means one contractor owns the whole hole.

Conveyor SystemsTight-Access RigsClean-Site Protocol
Includes
Strip-out, dig, haul-off, drainage, slab
Timeline
3-8 weeks on site after permit, depending on access and structural method

Riverdale 1920s semi dug out to 10 ft ceilings with zero cracks on the party wall ($186K incl. underpinning).

Quote My Dig-Out for Basement Excavation

Sewer and Watermain

$8K-$80K

We repair and replace private sewer laterals and water services across Toronto, and we answer emergencies around the clock. When a watermain bursts or a sewer backs up, a crew is on site within 4 hours with a hydrovac to expose the break without cutting other lines. A camera inspection tells us whether trenchless bursting or lining will work, which saves your driveway, or whether open-cut is needed, and we bill your insurer directly where coverage applies.

24-Hour EmergencyTrenchless OptionsInsurance Direct-Bill
Includes
Locate, camera, repair, restoration
Timeline
Emergency: same week; planned replacements 1-5 days on site

North York burst watermain: on-site in 3 hours Sunday, trenchless repair by Tuesday ($28K).

Call the 24-Hour Line for Sewer and Watermain

Hydro Excavation

$1.5K-$15K

We use our own hydrovac truck to expose buried utilities with pressurized water and vacuum, so nobody guesses where a gas main or hydro feeder sits. Ontario One Call marks can be off by a metre or more, and private lines are not marked at all. Daylighting confirms exact depth and position before any bucket digs, which is why we run it on our own underpinning and industrial jobs and why contractors hire the unit for potholing and slot trenching.

Zero Utility Strike RiskOntario One CallSlot Trenching
Includes
Locate review, daylighting, slurry disposal
Timeline
Half day to 3 days for most jobs

East York hydrovac located a failed sewer lateral beside an Enbridge line, repaired without a strike ($18K).

Book the Hydrovac for Hydro Excavation

Also available

How It Works

From Site Visit to Handover in 5 Steps

The same five steps on every project, from the first call to the handover package.

  1. 1

    Site Visit in 48h

    Free, no obligation

    We walk the property, measure access and the foundation, and our P.Eng reviews structural work before any deposit.

  2. 2

    Written Quote in 24h

    On letterhead

    A fixed-price CAD quote with every line item, the draw schedule and the permit path for your address.

  3. 3

    Permit + Notices

    2-8 weeks

    Stamped drawings filed with Toronto Building, East York Civic Centre, neighbour notices sent, locates and hydrovac daylighting booked.

  4. 4

    5-Stage Build

    Fixed price

    Excavation, structural, backfill and final, each inspected and paid only when complete. No change orders without your signature.

  5. 5

    Written Handover

    Clean site

    Final inspections signed off, site cleaned, and a handover package with photos, engineer letters and permit close-out.

Ready to Lower Your Basement to 9 Feet?

Book a free site visit. Our P.Eng reviews the foundation before any deposit, and you get a fixed-price quote in writing within 24 hours. No change orders without your signature.

(647) 277-2002 Request a Free Site Visit
Local Expertise

Moving Equipment on 16-Foot Lots

Leslieville lots are 16 to 20 feet wide, semis share party walls and mutual drives are rare. The mutual drive that does exist is often 6 to 8 feet, barely wide enough for a bin.

  • Conveyors from the backyard are the default for most dig-outs because the front door is the only access and the lot is too narrow for a mini-excavator in the yard.
  • Rear-lane access where available: Kintyre, Boston, Minton and the alleys behind Queen East speed up spoil removal.
  • Bins on the street need a City permit; we file it and schedule within the permitted hours.
  • Ontario One Call locates and hydrovac on every front dig because the clay lateral, Enbridge gas service and Toronto Hydro copper all run within 300 mm of each other on these lots.

From the Don Valley Parkway, Lake Shore Blvd and Queen East, Pro Excavation trucks reach any Leslieville address within 25 minutes.

Local Expertise

Worker Cottages, Party-Wall Semis and Film District Shoring

Three building types dominate Leslieville scope:

  • Late Victorian workers' cottages built 1870-1900 along Queen East, Jones, Logan and Pape with brick-on-stone rubble foundations. Underpinning is routine; we design short pin sequences because the lime mortar has almost no tensile strength.
  • Party-wall semis south of Gerrard with basements of 6 ft 10 in to 7 ft. Dig-outs go from 6 ft 10 in to 9 ft 4 in in most of our projects, with neighbour condition surveys baked into the quote.
  • Film District commercial buildings along Eastern Avenue where adaptive-reuse studio builds need shoring against existing foundations and commercial excavation with soldier piles.

The sewer lateral under the front walk is a hidden second scope on nearly every residential dig here.

Local Expertise

Leslieville Permits, Party Walls and Heritage Sensitivity

Toronto Building East York district office handles most Leslieville permits. Local considerations:

Party walls. Semis across Leslieville share party walls, so neighbour notice and condition surveys are part of every underpinning quote. We schedule within Toronto Noise By-law hours and monitor the neighbour's wall during pin sequencing.

Queen East character. Parts of Queen Street East between Broadview and Leslie are character-protected under the City's main-street policies; exterior commercial work triggers extra review.

Second suites. Leslieville has one of the highest second-suite conversion rates in Toronto; underpinning is typically scoped to a legal basement apartment under the Multi-Tenant House By-law.

Sewer lateral and backwater valve. The City of Toronto Basement Flooding Protection Subsidy Program contributes up to $3,400 toward a backwater valve installed during the dig-out, and we file the subsidy paperwork.

Local Expertise

Leslieville Clay, Film District Fill and Old Drains

Most of Leslieville sits on firm clay till that holds underpinning pins well. Near Ashbridges Bay and the Film District on Eastern Avenue, old industrial and marsh fill shows up, and the water table can sit within 2 m of grade; deeper digs need dewatering. The sewer lateral under the front walk is the hidden problem on almost every street: original 1880s clay pipe with root infiltration, cracked joints and sags. Our hydrovac truck exposes the lateral along with the gas and Toronto Hydro primary so the whole front corridor is replaced in one safe dig.

Why Us

Why Leslieville Owners Trust Our Crew

  • Party-wall underpinning with neighbour condition surveys on every semi
  • Our $186K case study hit 9 ft 4 in finished headroom with zero neighbour cracks
  • Film District commercial shoring and adaptive-reuse experience
  • Second-suite underpinning scoped to the Multi-Tenant House By-law
  • Sewer lateral replacement with hydrovac during the same dig
  • Written fixed-price quote within 24 hours of the site visit
Client Results

What Our Clients Say

"Quote in 22 hours. Underpinning finished 3 weeks ahead of schedule. P.Eng stamp handled every city inspection. Basement went from 6 ft 10 in to 9 ft 4 in."

Darren K.

Leslieville

Project value $142K

"Burst Sunday morning. On-site in 3 hours. Hydrovac located the break, trenchless repair by Tuesday. Insurance direct-billed through the portfolio adjuster."

Priya S.

Property Manager, North York

Project value $28K

"1920s semi with heritage brick. Marko's crew hit every structural detail. Zero cracks on the neighbour's party-wall side."

Alex and Jen M.

Riverdale

Project value $186K

Coverage

Neighbourhoods We Cover in Leslieville

The Don Valley Parkway and Lake Shore East bring our trucks to Leslieville from the north and west, and Queen East and Eastern Avenue carry us to residential and Film District job sites.

Neighbourhoods

  • Queen St East
  • South Riverdale
  • Jones Avenue
  • Greenwood-Coxwell
  • Eastern Avenue
  • Film District
  • Ashbridges Bay

Postal codes we cover: M4L, M4M

Local landmarks

  • Jimmie Simpson Park
  • Greenwood Park
  • Ashbridges Bay
  • Film District studios on Eastern Avenue
  • Queen East streetcar

Highways and transit

  • Truck routes: Don Valley Parkway, Lake Shore Boulevard East, Queen Street East, Eastern Avenue
  • Transit: 501 Queen streetcar, 506 Carlton streetcar (Gerrard), 72 Pape bus
Open in Google Maps
Straight Answers

Leslieville Excavation FAQs

How much does underpinning cost in Leslieville?

At 2026 pricing, Leslieville underpinning typically costs $90K to $200K. A straightforward semi dig-out from 6 ft 10 in to 9 ft runs around $130K to $170K; party-wall complexity, heritage brick protection and finishes push it higher. Our $186K case study included a lateral replacement and brick protection on both party-wall sides.

Can you underpin a Victorian worker cottage without damaging the brick?

Yes. Lime-mortar brick foundations need shorter pin sequences and continuous monitoring. We survey the house, bracket the window and door openings temporarily where needed, and sequence 1.2 m pins so the brick above stays in equilibrium. Our Leslieville projects have finished with zero cracks on the party-wall side.

Do you work on Queen Street East commercial buildings?

Yes. Queen East storefronts and mixed-use buildings often need shoring for basement conversions and small-lot dig-outs. We handle main-street character review where applicable.

What permits does a semi underpinning in Leslieville need?

A Toronto Building permit with P.Eng stamped structural drawings, neighbour notice to the adjoining property, a plumbing permit for the lateral and backwater valve, and a Street Occupancy permit if the bin or conveyor touches the sidewalk or road.

Can I claim the Basement Flooding Protection Subsidy in Leslieville?

Yes, up to $3,400 toward a backwater valve when installed by a licensed plumber. We install the backwater valve during the dig-out and file the subsidy paperwork on your behalf.

How long does a Leslieville dig-out take?

Typically 10 to 18 weeks start to finish: 4 to 8 weeks for the permit, 4 to 8 weeks of engineered pin sequencing and excavation, and 2 to 3 weeks for interior work, waterproofing and backfill.

Do you work in the Film District?

Yes. Studio and production builds along Eastern Avenue and Carlaw need shoring against existing foundations, slab removal and new pad excavation; we have done multiple adaptive-reuse projects here.

What is the water table like in south Leslieville?

Near Ashbridges Bay and Eastern Avenue the water table can sit within 2 m of grade on old marsh fill. We include dewatering and sheet piling in the quote when the water table requires it.

Can you do the second-suite scope from dig-out to legal apartment?

Yes. We design the underpinning to the Multi-Tenant House By-law headroom and egress requirements, coordinate plumbing and electrical, and hand over a basement ready for interior finishing.

Where can I find an excavation contractor near me in Leslieville?

Pro Excavation Toronto works across Leslieville from Queen East and South Riverdale to the Film District, Greenwood-Coxwell and Ashbridges Bay, with 48-hour site visits and a 24-hour emergency line at (647) 277-2002.

Nearby Service Areas

Areas Near Leslieville

Same crew, same P.Eng, same written quote. These neighbouring areas are covered from the same dispatch.

Riverdale Victorian semis + heritage party walls East York Danforth semis + clay laterals The Beaches Edwardian semis + lakeshore water tables All Service Areas
Site visit in 48 hours

Get Your Leslieville Site Visit Booked

Site visit within 48 hours. Written fixed-price quote on letterhead within 24 hours after, P.Eng stamped where required.

Request a Free Site Visit Call (647) 277-2002
  • Fixed-price, 5-stage draws
  • $5M liability + WSIB
  • 24-hour emergency water + sewer line
Call (647) 277-2002Request Site Visit