Excavation in Harris County

Ground conditions

The Gulf Coast flatwoods and deltaic corridor are defined by low relief, slow surface runoff, and high groundwater tables that often sit within 1 to 3 feet of the surface. Subgrade soils consist of heavy, fat clays (Lake Charles and Beaumont series) with severe shrink-swell characteristics and low unconfined compressive strength. Detention pond excavation, mass drainage ditching, and pump stations represent a huge portion of site earthwork. Saturated ground conditions require the use of wide low-ground-pressure (LGP) tracks and timber crane mats to prevent sinkage. Trenching for deep utilities requires continuous sheet piling or trench shoring combined with well-point dewatering to manage high hydraulic inflow and sand boiling.

Dominant soil textures include lake charles clay, beaumont clay, gessner silt loam; 0.0% of the county has bedrock or a restrictive layer within 50 inches of the surface; 42.6% of soils carry a high shrink-swell rating, which means moisture control matters around foundations; the median water table sits about 22 inches down, so dewatering is routine on deeper cuts.

Haul costs & materials

Haul distance moves county prices more than machine rates do. Here, the nearest major aggregate source is Texas Materials San Jacinto Sand & Gravel, about 16.4 miles out (with 14 active quarries within 50 miles), and construction-and-demolition spoil goes to Fairbanks Landfill C&D Facility, roughly 14.0 miles away at about $42.00 per ton in tipping fees, and the county's haul-cost index (30.9) reflects moderate haul distances.

Construction demand

Construction demand sets how busy crews are and how far out they book. 16,893 single-family permits were issued in the last 12 months (a -2.4% three-year trend), and 30,879 total housing units across all types, and About 93,890 residents work in construction, and 233 site-prep establishments are registered in the county, and Demand outruns local capacity (a capacity-gap ratio of 100.5), which shows up as longer lead times and stronger pricing.

Permits in Harris County

Permits come in layers: state construction stormwater coverage runs under TCEQ TPDES Construction General Permit TXR150000; the state disturbance threshold is 1.00 acre(s); a local grading/land-disturbance permit is required for most earthwork; the local threshold is 0.00 acre(s); plan review typically takes 30-45 days; Harris County Engineering Department Land Disturbance & HCFCD Detention Approval; septic permits run through Harris County Environmental Public Health Division; a ossf site evaluation and engineered plan for tight deltaic clays is required before design approval; burn permits for clearing debris go through the harris county fire marshal office. Check the county building or development services office for the current rules. Each Texas county sets its own thresholds.

Season & site restrictions

Timing shapes cost in this county. Expect roughly 263 workable ground-days a year, the wet season concentrates in May, June, August, September. Schedule big earthwork in the dry windows. Check the local restriction calendar before work starts.

Water, septic & flood

Water decides more site outcomes than any other input. In this county, 68.5% of soils carry severe limitations for conventional septic drain fields, so perc tests and alternative systems are common here, and onsite sewage permits run through Harris County Environmental Public Health Division, and 24.5% hydric soils mark seasonally saturated ground, and 28.4% of the county sits in a mapped FEMA flood zone.

Rough cost estimator

Bulk excavation is commonly priced per cubic yard — roughly $2 to $8 for ordinary soil and far more where rock must be hammered. Use the table for ballpark volumes, then confirm with line-item bids from Harris County crews.

National ranges, not a quote: bulk excavation is usually priced per cubic yard, roughly $2 to $8 for ordinary soil and $40 to $100 or more where rock has to be hammered or blasted. Rock, groundwater and haul distance move the number most.

Excavation contractors in Harris County

Published listings from the GRADELINE directory, ranked by rating. Every crew serves its own radius — confirm coverage for your address.

1. 01. Smart Materials Inc

   Houston, TX

2. 02. South East Excavations

   Houston, TX · ★ 5.0 (3)

3. 03. SETX Construction

   Houston, TX · ★ 5.0 (5)

4. 04. Gulf Coast Dirtworks Construction Company

   Spring, TX · ★ 5.0 (2)

5. 05. G.E LAND MAINTENANCE

   Houston, TX · ★ 5.0 (2)

Common questions