Trusted civil engineering & land surveying across San Diego County

Since 1999, Walsh Engineering & Surveying has helped landowners, developers, and builders bring projects to life from the coastline to the backcountry. We know the local terrain, agencies, and codes that shape every job in the region.

Local expertise in every corner of the county

Each region carries its own topography, jurisdictions, and permitting nuances. We bring firsthand knowledge to all of them.

Central San Diego

Urban infill, redevelopment.

  • San Diego
  • La Mesa
  • Lemon Grove
  • National City
  • Coronado
  • La Jolla

East County

Our home turf — hillside grading and rural development.

  • El Cajon
  • Santee
  • Lakeside
  • Alpine
  • Jamul
  • Mountain Empire
  • Crest
  • Pine Valley
  • Julian
  • Spring Valley

South Bay

Master-planned communities and commercial sites.

  • Chula Vista
  • Bonita
  • Imperial Beach

North County

Subdivisions, agriculture, and estate parcels.

  • Escondido
  • Poway
  • Ramona
  • San Marcos
  • Carlsbad
  • Oceanside
  • Valley Center
  • Vista
  • Encinitas
  • Rancho Santa Fe
  • Solana Beach
  • Del Mar

The right partner knows the ground beneath your project

Working with a firm that understands your jurisdiction saves time, money, and headaches. Our county-wide reputation opens doors and keeps projects moving.

Municipal know-how

We navigate each city and county agency’s specific submittal and permitting process.

Hillside & grading

Decades of experience engineering on the region’s challenging slopes and canyons.

Drainage & flood

Coastal and inland stormwater design that meets current watershed requirements.

Rural & backcountry

Septic layouts and large-lot surveys in unincorporated areas.

Communities we proudly serve

This is a sampling of where we work. If you don’t see your community listed, reach out — chances are we cover it.

  • El Cajon
  • Santee
  • Alpine
  • Jamul
  • Imperial Beach
  • San Diego
  • Spring Valley
  • Ramona
  • Bonita
  • Coronado
  • La Mesa
  • Chula Vista
  • Poway
  • National City
  • Del Mar
  • Lemon Grove
  • Lakeside
  • Escondido
  • San Marcos
  • Vista

Not sure if we cover your area? Ask us directly.

Put the county's premier design team in your corner

Don’t let technical hurdles or bureaucratic red tape slow down your development. Let’s talk about your site and watch your vision take shape.