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
  • Washington Area
  • 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

Welcome!

Got Questions? Get in Touch!

Call Book Email
Chat with us

Leave your name and the best way to reach you, and we'll send this conversation to our team.

AI assistant — please don't share payment or personal ID details.