Connecting an ADU to Your Existing Sewer Line: What the Trenching Involves

Direct Answer: Connecting an ADU to your sewer line requires locating the existing lateral, determining its depth and condition, digging a trench to the connection point, and pulling the right permits before any dirt moves. One of the most common questions we get from homeowners converting a garage into an ADU is some version of […]
Switching From Septic to Sewer: What the Excavation Side Involves

Direct Answer: A septic-to-sewer conversion involves three separate excavation scopes: trenching to the street main, decommissioning the old tank, and sometimes installing a grinder pump when gravity flow won’t work. Most homeowners going through a septic-to-sewer conversion spend a lot of mental energy on the permits. And there is real paperwork involved, county environmental health, […]
What Makes Foundation Excavation Hard in Sonoma County

Direct Answer: Foundation excavation in Sonoma County is complicated by expansive clay soils, steep terrain, and shallow water tables, factors that affect depth, cost, and permit requirements before a single concrete truck shows up. Most homeowners planning a new build in Sonoma County think the hard part is finding a foundation contractor. What they don’t […]
What Foundation Excavation in Monterey County Actually Demands

Direct Answer: Foundation excavation in Monterey County depends heavily on your soil profile. Coastal lots often require drilled pier foundations instead of standard footings, and grading permits kick in at 100 cubic yards, a threshold many homeowners hit faster than expected. Most homeowners planning a new build in Monterey County come in thinking the foundation […]
Unpermitted Retaining Walls: How the Legalization Process Works in Sonoma County

Direct Answer: Sonoma County can require you to retroactively permit old retaining walls and grading through an as-built permit process, which typically involves engineering reports, inspections, and sometimes remediation before the county signs off. A homeowner reached out to us recently with a situation I’ve seen come up more and more often. He had retaining […]
Foundation Contractor or General Contractor: Who Digs Your Foundation?

Direct Answer: An excavation contractor opens and prepares the earth. A foundation contractor pours the concrete. They are two separate trades, and the excavation always comes first. I hear some version of the same question almost every week: “I need a foundation contractor, are you the right person to call?” Most of the time, the […]
FEMA Just Remapped 2,500 Santa Rosa Properties, Here’s What It Means for Your Site

Direct Answer: FEMA’s January 2026 flood map update places roughly 2,500 Santa Rosa properties in high-risk flood zones, triggering new drainage, grading, and foundation elevation requirements for anyone building or making major site improvements. If your property is near a creek in Santa Rosa, Bennett Valley, or the unincorporated stretches west of the city, there […]
What a Site Plan Actually Controls, and Why Getting One Wrong Delays Everything

Direct Answer: A site plan coordinates grading, drainage, setbacks, and cut-fill volumes for permit review. Get the contours wrong in Sonoma County and your permit resets, costing weeks to months. One of the most frustrating calls we get goes something like this: a property owner spent weeks getting their paperwork together, submitted everything to the […]
What a Building Pad Actually Is — and Why Getting It Wrong Is Expensive

Direct Answer: A building pad is a precisely graded and compacted earth platform that supports a foundation or slab. It requires engineered soil preparation, proper drainage slope, and stable subsoil — not just a level-looking piece of ground. Most homeowners I talk to hear the term building pad from their engineer or contractor and nod […]
Sonoma County Just Changed How Grading Permits Work

Direct Answer: Permit Sonoma launched a Grading Self-Certification Program in April 2026, allowing approved licensed professionals to certify qualifying grading work themselves — potentially cutting review time significantly. Not every project qualifies. If you’re planning any grading work in Sonoma County — whether it’s a new build, a retaining wall, a driveway approach, or drainage […]