Englewood homes built before 1970 often have cast iron or clay sewer lines that crack when winter temperatures drop below freezing. These older pipes run under narrow lots in Downtown Englewood and Cushing Park where tree roots from Belleview Park easily invade joints. Cold winters combined with the area's semi-arid freeze-thaw cycles cause soil heave that separates sections and creates recurring backups.
We select materials based on soil type and access. In Arapahoe County clay-heavy ground we commonly use SDR 35 PVC or HDPE for its flexibility and root resistance. Trenchless pipe bursting works well on straight runs from the house to the main but requires enough easement behind homes near Englewood City Center. Full excavation becomes necessary when lines sit under driveways or when multiple 90-degree bends exist in Cherry Hills Village-adjacent properties.
Permitting through the City of Englewood is required for any work that reaches the public main. We locate irrigation lines and gas services before digging because many Cushing Park properties have shallow utilities installed decades ago. Post-replacement we restore landscaping to match existing grade so drainage patterns around Belleview Park homes stay unchanged.
Hot summer irrigation can mask slow leaks until winter when reduced water use makes backups obvious. We always camera the line from the cleanout to the main before quoting replacement so homeowners see exactly where the break or root intrusion sits.
Technician insight
In Englewood the thing that catches most people out with sewer line replacement is how the heavy clay soil in Arapahoe County shifts during our cold winters, pulling apart older clay or cast iron joints under Cushing Park homes that were installed with very little bedding.
Downtown Englewood Backup After Freeze
A homeowner on Lincoln Avenue noticed slow drains after the first hard freeze. Camera showed a collapsed clay section 18 feet from the cleanout. We used pipe bursting to install new HDPE, restored the narrow side yard, and verified flow to the main.
Sewer Line Replacement Services We Offer
✓Trenchless Pipe Bursting
Breaks old cast iron or clay lines while pulling new HDPE pipe in place, minimizing yard damage in tight Downtown Englewood lots.
✓Traditional Excavation Replacement
Full dig replacement for lines under driveways or with multiple bends common in Cushing Park homes built before 1960.
✓Cured-In-Place Pipe Lining
Epoxy liner installed inside existing pipe for homes near Englewood City Center where excavation would disturb mature landscaping.
✓Cast Iron to PVC Conversion
Removes failing cast iron sections and installs PVC with proper slope to handle Arapahoe County freeze-thaw movement.
✓Root Intrusion Removal and Replacement
Cuts roots and replaces the damaged section of line before roots from Belleview Park trees re-enter the system.
Sewer Line Replacement Cost in Englewood, CO
| Service | Typical Range | What Affects It |
|---|---|---|
| Trenchless replacement (up to 50 ft) | $4500–$7500 | Straight runs, minimal landscaping disturbance |
| Full excavation replacement | $6000–$11000 | Driveway or multiple bends, restoration included |
| Cured-in-place lining | $3500–$6000 | Suitable pipe condition, no major collapses |
| Additional footage beyond 50 ft | $75–$110 per foot | Varies with depth and access |
Ranges are typical for Englewood, CO and confirmed with an exact written quote before any work starts.
How it works
- 1
Camera Inspection
We run a camera from the cleanout through the line to the main, noting depth, material, and exact location of breaks or root damage.
- 2
Access Planning
We map utilities and decide between trenchless or excavation based on lot width, driveway placement, and proximity to the street in Downtown Englewood.
- 3
Pipe Installation
New pipe is installed with correct slope, backfilled with proper bedding, and tested before final connection to the city main.
- 4
Site Restoration
Sod, concrete, or gravel is replaced to match pre-existing conditions so drainage around Cushing Park properties remains unchanged.
Pricing
Upfront written estimates after camera inspection; price depends on length, depth, and chosen method.