Photo: derivative work: Shereth (talk) Historic_Navajo_County_Courthouse_and_Museum.jpg: Richie D. (CC BY 2.0) via Wikimedia Commons

Navajo County, AZ Contractor directory

Excavation contractors in Navajo County, AZ

14 verified excavating and site work contractors serving Navajo County.

County excavation guide

Ground conditions and project requirements in Navajo County

Use this local research to understand soil, seasonal constraints, permits, and jobsite logistics before choosing a contractor.

Skip to 14 contractors
Soil Regime ProfileEPA Ecoregion 82, 79 (Arizona/New Mexico Plateau, Arizona/New Mexico Mountains)

Colorado Plateau Mesa & Canyon Shallow Soils

Dominant Soil Order: Aridisols / Mollisols
Parent Material: Eolian Sand, Residual Shale and Sandstone Saprolite over Flat-Lying Sedimentary Bedrock

The Colorado Plateau's stripped-bedrock terrain, mesas, buttes, and dissected tablelands across northern Arizona, puts shallow sandstone, shale, and limestone saprolite under thin eolian and residual soils. Median restrictive depths of 12 to 24 inches are normal; mass excavation becomes rock excavation quickly, and pad building means benching into flat-lying sedimentary strata. Sandstone rips with a big hoe where fractured; shale weathers to a slick, expansive clay that swells under slabs and eats subgrade uniformity. Fine eolian sand and loess cap the mesas, stable when dry, instantly unstable when saturated, with caving trenches and spongy subgrade after storms. Water tables are hundreds of feet down; the water challenge is surface flow, with summer monsoon runoff concentrating in slot canyons and arroyos. Utility trenching crosses intact rock ribs that require hammer work; plan mobilization for rock breakers and expect crushed-rock borrow to dominate backfill economics.

Geographic Footprint:NE AZ high country: Coconino, Navajo, Apache, and the Yavapai plateau margins
Geotechnical Baseline

Physical Ground Conditions & Soil Properties

Shallow Bedrock (<50 in)
50.8%of county land area

High likelihood of bedrock refusal; hammer / ripper required for deep utilities.

High Shrink-Swell Clay
4.5%expansive soil

Low volumetric expansion risk in native subgrade.

Median Water Table Depth
36inches from surface

Moderate depth; seasonal wet perched water tables possible in spring.

Hydric / Wetland Soils
0.0%hydric coverage

Indicates poor natural drainage and potential jurisdictional wetland pockets.

Steep Terrain (Slope >15%)
12.0%of terrain

Predominantly gentle to rolling slopes suitable for wheeled earthmoving.

Dominant Soil Textures:Sandy loamFine sandy loamLoamy sand
Surface Stones / Boulders: 37.7% coverage
Supply Chain & Hazards

Logistics, Aggregate Sources & Geohazards

Aggregate & Material Supply
Woodruff Butte

Nearest active quarry: 9 miles haul distance.(5 active crushed stone/sand operations within 50 miles).

Flood & Hazard Overlay
FEMA 100-Yr Flood:0.0%(0% NFHL digital map coverage)
NWI Wetlands:0.0%jurisdictional coverage
Karst Terrain & Sinkhole Risk: Low

0.0% of county underlain by soluble carbonate rock formations.

Public conservation land: 0.0% (USGS PAD-US).

Area-specific FAQ

Do I need to call before digging in Navajo County?

Yes. You should contact Arizona 811 at least 2 working days before any digging so underground lines can be marked.

Nearby counties

Cities in this county

Verified local listings

Excavation contractors serving Navajo County

14 verified listings

Mass X LLC

Heber-Overgaard, AZNavajo County

driveways, excavation, foundations, grading, trenching-underground

No reviews yet

Listed on GradeLine

Check the work, service area, and contact facts before you hire.

View profile