Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Storm Sewer Installation is the installation of storm sewers, catch basins, and structures that convey site and road runoff. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Markham, the GTA, and Ontario.
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
Storm Sewer Installation is the installation of storm sewers, catch basins, and structures that convey site and road runoff. In Markham, Harrowgate Group takes on storm sewer installation end to end: the site is surveyed and scoped, the work is built and managed on site, and the project is completed to the engineered plan.
In Markham, storm sewer installation is typically needed for developments, roads, and municipal works. Across Markham, it solves conveying stormwater to code and preventing flooding, and because no two sites are identical the scope is set per site, not a default.
In Markham (York Region), storm sewer installation demand is driven mainly by technology and corporate campuses, commercial and office, institutional, and industrial development. Markham's technology and corporate campuses along the 404 and 407 anchor a strong commercial and institutional construction market, with Markham Centre densifying. Work favours corporate site development, servicing, and structured parking.
Most of it sits around Markham Centre, the 404/407 employment lands, Milliken and Buttonville business areas. Harrowgate Group regularly builds storm sewer installation for Markham clients like corporate and tech owners, developers, institutions, and the City of Markham, each project carrying its own site and requirements.
From technology and corporate campuses, commercial and office, institutional, and industrial development, no two Markham storm sewer installation jobs are quite alike. Harrowgate Group matches scope, equipment, and crew to the specific property each time.
What shapes a Markham project is corporate-campus site standards, transit-corridor density, and servicing around the 404 and 407. Each Markham project has the methods, materials, and equipment chosen for that environment, matched to the site instead of a one-size approach.
In Markham, Harrowgate Group treats schedule as part of the scope: fast mobilization, the right equipment on site, and the project built in the right sequence so the following trades are not held up.
Every Markham storm sewer installation project follows a disciplined sequence: site survey and layout, utility locates and protection, excavation or preparation, the core work built to the engineered drawings, backfill and compaction or finishing to grade, and site restoration, each stage inspected and documented for the project file.
Harrowgate Group works directly with the engineers, architects, city planners, and consultants a Markham storm sewer installation project involves. Structural and civil engineers, geotechnical consultants, surveyors, and municipal reviewers all feed the same plan, and Harrowgate Group builds to it, coordinating submittals, inspections, and approvals so the Markham project moves through design, permitting, and construction without gaps between the parties.
A typical Markham storm sewer installation project pairs the work with local conditions: developments, roads, and municipal works around Markham Centre and clients like corporate and tech owners. Harrowgate Group tailors each project to the situation and documents it for the file. Harrowgate Group also serves nearby Richmond Hill, Vaughan, Scarborough, so projects spanning the surrounding area stay with one team.
Harrowgate Group builds each Markham project to a clear scope: the right methods, the right materials, and results checked against the plan, documented so it holds up to inspection and the project record.
Harrowgate Group earns Markham storm sewer installation work the hard way, fast mobilization, licensed, insured, and fully WSIB-covered crews, with 20 years serving the area, and real familiarity with Markham Centre, the 404/407 employment lands, Milliken and Buttonville business areas rather than a one-size regional script.
Put simply, Storm Sewer Installation is the installation of storm sewers, catch basins, and structures that convey site and road runoff. For Markham projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Markham and the surrounding area. Response time is fast mobilization.
Across Markham, the work concentrates around Markham Centre, the 404/407 employment lands, Milliken and Buttonville business areas, each job scoped to its own conditions.
Mostly technology and corporate campuses, commercial and office, institutional, and industrial development, Harrowgate Group serves developers, contractors, municipalities, and property owners across Markham.
In Markham, the work accounts for corporate-campus site standards, transit-corridor density, and servicing around the 404 and 407, so the methods, materials, and equipment is matched to the site.
Buried gravity pipe, matched to the Markham site, not a one-size approach.
Harrowgate Group responds to Markham with fast mobilization, covering Markham Centre, the 404/407 employment lands, Milliken and Buttonville business areas and the surrounding area.
All of Markham, Markham Centre, the 404/407 employment lands, Milliken and Buttonville business areas and the surrounding neighbourhoods, plus nearby Richmond Hill, Vaughan, Scarborough.
Yes, Harrowgate Group handles technology and corporate campuses, commercial and office, institutional, and industrial development across Markham, from focused scopes to full builds, each set to its own site and drawings.
Cost depends on the site conditions, the ground, the scope, and the engineered requirements, Harrowgate Group reviews the drawings and the site for each Markham project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Markham storm sewer installation on site and provides a documented scope before any work begins.
Real knowledge of Markham, Markham Centre, the 404/407 employment lands, Milliken and Buttonville business areas, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served York Region since 2006, 20 years of hands-on experience.
Harrowgate Group surveys and scopes it on site, builds the work to the engineered drawings and the applicable codes, and completes it to grade, handled by one accountable team across Markham.
Yes, Harrowgate Group builds the work across Markham and the surrounding area and manages it end to end, coordinating any engineers, consultants, and municipal approvals the project needs. We do the work, not just hand it off.
Commercial and heavy-civil construction, self-performed for developers, contractors, property managers, and municipalities.
Send drawings, a site plan, or a description of the scope. Harrowgate Group is licensed, insured, and WSIB certified.
Licensed, Insured & WSIB Certified · Self-performed and documented on every job
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Harrowgate Group provides storm sewer installation, delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Harrowgate Group delivers commercial and heavy-civil construction for developers, contractors, institutions, municipalities, and property groups across Ontario.