Providence County, Rhode Island

Cranston, RI Excavation & Site Work — Roberts Construction

From Auburn to Knightsville, from Reservoir Avenue to the Scituate border — Roberts Construction has served Cranston's homeowners, developers, and commercial clients for 25 years. We know which neighborhoods flood, which have ledge, and how to move projects through Cranston's permitting process without delays.

Fully Licensed & Insured

Serving Cranston Since 1998

Mon–Fri 7 AM – 5 PM

Free On-Site Estimates

Northern Cranston vs. Southern Cranston — Why It Matters

Construction conditions vary dramatically across Cranston's 29 square miles. Here's what our crews have learned from years of working throughout the city.

NNorthern Cranston (Eden Park, Edgewood, Pawtuxet)

Northern Cranston borders Providence and shares many of that city's soil challenges. Urban fill layers from 19th-century development are common in the Edgewood and Pawtuxet neighborhoods, particularly in lower-elevation areas near the Pawtuxet River. These fills can include demolition material, ash, and variably-compacted earth that require test pits or borings before any load-bearing excavation begins.

The Pawtuxet River corridor carries a FEMA Flood Zone A designation through several northern Cranston neighborhoods. Any construction within these zones requires an elevation certificate and, in many cases, engineered foundation designs that account for base flood elevation. Roberts Construction has prepared the documentation and coordinated with Cranston's floodplain administrator on multiple northern Cranston projects.

  • Urban fill — soil testing required before structural excavation
  • Pawtuxet River floodplain designation in Edgewood and Pawtuxet Village
  • Dense lot lines requiring compact equipment and precision work
  • Older utility infrastructure — careful marking and coordination essential

SSouthern Cranston (Knightsville, Norwood, Western Cranston)

Southern Cranston transitions toward better-draining glacial sandy loam soils as you move away from the Providence border and toward the Scituate and Johnston town lines. The Knightsville neighborhood, one of Cranston's most active residential construction zones, features till-dominated soils that are generally more predictable for foundation work — though ledge can appear unexpectedly, as our crews have discovered on several Knightsville jobs over the years.

Meshanticut Brook and its tributaries run through western Cranston, and RIDEM's freshwater wetland regulations create buffer zone setback requirements that must be mapped before any excavation begins in these areas. Roberts Construction works closely with Cranston's Zoning Department and RIDEM to ensure wetland delineations are current and that project scopes comply with all applicable buffer requirements.

  • Better-draining sandy loam — more predictable for foundation work
  • Ledge possible in Knightsville — our crews come prepared
  • Meshanticut Brook wetland buffers require RIDEM review
  • Active residential new construction — we know the local builder community

Excavation & Construction Services in Cranston

Our own licensed crews — no subcontracting the core work.

Residential Foundation Excavation

Basement digs, foundation repairs, and crawl-space conversions across all of Cranston's residential neighborhoods. We size equipment to the site and protect adjacent structures.

Drainage & Flood Mitigation

French drains, sump systems, catch basins, and engineered stormwater solutions for Cranston's flood-prone areas near the Pocasset and Pawtuxet rivers.

Site Preparation for New Construction

Full site clearing, grubbing, rough and finish grading for residential and commercial new construction throughout the city.

Land Clearing & Grading

Precision lot clearing, stump grinding, and final grade work. We prepare erosion control plans and handle all RIPDES permit requirements.

Septic System Replacement

Conventional and innovative/alternative septic system design and installation for Cranston properties where municipal sewer is unavailable or inadequate.

Commercial Site Development

Full commercial site preparation along Reservoir Avenue, Phenix Avenue, and Cranston's major commercial corridors, including utility coordination and stormwater management.

Drainage & Flood Mitigation Expertise in Cranston

Cranston has more flood-prone residential areas per square mile than any other city in Kent or Providence County. The low-lying sections near the Pocasset River corridor, the drainage basin behind Knightsville Square, and the fill-based neighborhoods of northern Cranston near the Providence border all present unique flooding challenges that standard drainage solutions often fail to address.

Roberts Construction approaches drainage problems analytically. We start by understanding the hydrology — where water enters the property, how it moves across it, and where it needs to go. Then we engineer a system that solves the actual problem, whether that's a sub-surface French drain intercepting groundwater, a surface swale directing runoff away from the foundation, or a full stormwater management system with detention and controlled outlet.

If your Cranston home has flooded during heavy rain, we'll visit the site, assess the conditions, and provide an honest evaluation of what it will take to fix it. No obligation.

FEMA Flood Zone A mapping and elevation certificate coordination
Pocasset and Pawtuxet River corridor stormwater management
Sub-surface French drain system design and installation
Foundation waterproofing in high-water-table northern Cranston
Surface swale and berm construction for upland drainage
Catch basin installation and connection to city storm systems
RIPDES stormwater permit preparation for projects over one acre

From First Call to Final Inspection — Our Cranston Project Process

1

Free On-Site Assessment

We visit your Cranston property, walk the site, and evaluate soil conditions, drainage patterns, flood zone status, and project feasibility. You get honest answers — not a sales pitch.

2

Written Scope & Estimate

We provide a detailed written estimate with a clear scope of work, timeline, and fixed price wherever possible. No surprise add-ons. What we quote is what you pay unless site conditions change materially.

3

Permitting & Pre-Construction

We handle the Cranston Building Department permit application, any RIDEM or FEMA floodplain documentation, and utility mark-out coordination. We schedule the start date once all approvals are in hand.

4

Excavation & Construction

Our crews execute the work to plan, with daily site cleanup, erosion control maintenance, and regular communication with you on progress. We flag any unexpected conditions immediately and present options before proceeding.

5

Final Grading, Cleanup & Signoff

We finish grade the site to the approved plan, remove all equipment and debris, and coordinate the final building inspection. Your project is complete when every inspector has signed off.

"DJ and his team excavated our full basement and installed a new drainage system in our Knightsville home. They found ledge about four feet down that nobody expected, managed it professionally, and still came in under budget. I recommend them to everyone."

Tony S.

Basement Excavation & Drainage Install, Knightsville, Cranston

Ready for a Cranston Estimate?

Call DJ Roberts directly or reach us by email. We provide free on-site estimates throughout Cranston — usually within 48 hours of your first contact.

ZIP codes served: 02910, 02920, 02921