Skip to content
DW Excavation Services logo
  • Services
    • Excavation Services
    • Foundation Services
    • Grading Services
    • Paving Services
    • Underground Utility Services
    • Water Management
    • Land Development & Clearing
    • Erosion Control Solutions
    • Septic & Trenching Services
    • Site Planning
    • Demolition & Rehabilitation
    • Ponds & Road Construction
    • Material Supply
    • Eco Remediation
  • About
  • Contact
  • (707) 601-9091
  • Services
    • Excavation Services
    • Foundation Services
    • Grading Services
    • Paving Services
    • Underground Utility Services
    • Water Management
    • Land Development & Clearing
    • Erosion Control Solutions
    • Septic & Trenching Services
    • Site Planning
    • Demolition & Rehabilitation
    • Ponds & Road Construction
    • Material Supply
    • Eco Remediation
  • About
  • Contact
  • (707) 601-9091
Get a Quote
Infographic showing the six-step process for legalizing unpermitted grading in Sonoma County

Unpermitted Grading on Your Property: What the Legalization Process Looks Like

Direct Answer: Legalizing unpermitted grading starts with an after-the-fact permit application. You document existing conditions with an as-graded plan, add a soils report if the

Read More »
August 31, 2026
CAT excavators dig trenches for utility installation during SB 9 lot split site prep and drainage work.

SB 9 Lot Splits and the Site Work No One Talks About

Direct Answer: An SB 9 lot split does not make the new parcel buildable. Most need regrading for drainage, a legal access route, and separate

Read More »
August 27, 2026
Pond excavation project with white discharge pipes and red hoses managing water flow during active earthwork.

Pond and Lake Dredging: How Scope Gets Determined Before Any Equipment Arrives

Direct Answer: Dredging scope comes down to basin size and depth, sediment type, water table, equipment access, and where the material goes. All of that

Read More »
August 26, 2026
Large-scale trenching operation with CAT excavators digging a trench for storm drain and utility installation at a residential development s

Sonoma County Drainage Permits: What Triggers One and What the Process Looks Like

Direct Answer: Sonoma County requires a drainage permit before any drainage improvement or related work starts, including site clearing and soil disturbance. Each site needs

Read More »
August 23, 2026
Hillside with straw wattles and grading work in forest setting for storm preparedness

Super El Niño Winter: The Site Work That Has to Happen Before October 15

Direct Answer: Grading and drainage work in Monterey County generally has to be permitted, built, and protected before October 15, because county rules restrict earthwork

Read More »
August 20, 2026
Open trench with a new sewer pipe bedded in gravel and a grade rod set to check slope

Inches of Slope Decide Whether a New Sewer Line Lasts

Direct Answer: A sewer lateral needs a narrow band of fall, commonly around a quarter inch per foot. Too flat and solids settle. Too steep

Read More »
August 19, 2026
Cut edge of a driveway showing asphalt over crushed base rock over clay soil, with cracked pavement behind

Two Driveways, Same Asphalt, One Fails in Three Years

Direct Answer: The asphalt is rarely the problem. Driveways fail early because the subgrade under them was graded wrong, under-built on base rock, or never

Read More »
August 16, 2026
Standing water pooled near a home's foundation corner, demonstrating yard flooding and drainage problems.

Why Does Your Sonoma County Yard Flood Every Time It Rains Hard?

Direct Answer: Most Sonoma County yards flood because heavy clay soil drains slowly. Rain has nowhere to go, so it pools in low spots and

Read More »
August 13, 2026
installation with riprap stone reinforcement along streambank during flood readiness preparation.

What the 2023 Pajaro Flood Taught Monterey County About Storm Readiness

Direct Answer: The Pajaro flood showed that low-lying Monterey County land fills faster than it drains. Storm readiness here means checking runoff paths, slopes, and

Read More »
August 12, 2026
Large-scale trenching operation with CAT excavators digging trench for storm drain and utility installation in residential development area.

The Reasons Site Plans Get Sent Back in Monterey County

Direct Answer: Most Monterey County site plans get sent back for drainage that does not reach a proper discharge point, earthwork quantities that quietly cross

Read More »
August 9, 2026
Aerial view of residential with concrete walls, excavators, and grading equipment preparing land.

How Late in the Year Can You Still Dig a Foundation in Santa Rosa?

Direct Answer: In most years, foundation excavation in Santa Rosa runs into late October or early November if the ground is still dry and permits

Read More »
August 6, 2026
Open french drain trench with perforated pipe, washed rock and geotextile fabric beside a house foundation

French Drains: What a Properly Installed System Actually Requires

Direct Answer: A french drain needs a sloped trench, clean crushed rock, the right geotextile fabric, perforated pipe, and a working outlet. Skip any one

Read More »
August 5, 2026
« Previous Page1 Page2 Page3 Page4 Page5 Next »

DW Excavation, LLC

CA LIC #1060838 • Established 2013

Get In Touch: 707-601-9091

  • Follow Us on Facebook
  • Leave Us A Review on Yelp
  • Subscribe to Us on Youtube
  • Subscribe to Us on LinkedIn

Service Areas:

  • Monterey County
  • Sonoma County
  • California Central Coast
  • Los Angeles County
  • Excavation Contractor Santa Clara County
  • Excavation Contractor Sonoma County
  • Excavation Contractor Santa Cruz County
  • Excavation Contractor San Benito County
  • Excavation Contractor Monterey County
  • DW Excavation Blog
  • FAQs