Question 1

How much does a structural engineer cost in California?

Accepted Answer

Costs vary by project scope. A standard structural inspection typically ranges from $500–$1,500. Permit plan sets for residential projects start around $1,500–$5,000, depending on complexity.

Question 2

How long does it take to get stamped engineering plans?

Accepted Answer

Most residential stamped plans are delivered within 24–72 hours. Complex commercial projects may take 1–2 weeks.

Question 3

Do I need a structural engineer to remove a load-bearing wall?

Accepted Answer

Yes. California building code requires engineered plans for any load-bearing wall removal. A licensed structural engineer must design a beam and support system to safely carry the loads.

Question 4

What is required for permit approval in California?

Accepted Answer

California building departments typically require stamped structural calculations and plan sets signed by a licensed Professional Engineer (PE). Specific requirements vary by jurisdiction.

Question 5

Do you handle seismic retrofits?

Accepted Answer

Yes. We specialize in seismic retrofit engineering across California — including soft-story retrofits, cripple wall bracing, foundation bolting, and whole-structure earthquake strengthening.

Question 6

What areas of California do you serve?

Accepted Answer

We serve all of California — including Los Angeles, San Francisco, San Diego, Sacramento, Orange County, San Jose, Riverside, Fresno, and surrounding areas.

Question 7

Can you provide engineering for ADUs and granny flats?

Accepted Answer

Yes. We provide complete structural engineering for Accessory Dwelling Units (ADUs), including detached new builds, garage conversions, and attached additions.

Question 8

Are your plans accepted by all California building departments?

Accepted Answer

Yes. Our plans are stamped and sealed by a California-licensed Professional Engineer (PE) and are accepted by building departments throughout the state.

California Engineering Blog

How Much Does a Structural Engineer Cost in California? (2026 Guide)

Load-Bearing Wall Removal: Do You Need a Structural Engineer?

California ADU Engineering Requirements: Complete 2026 Guide

Seismic Retrofitting California Homes: What You Need to Know

Foundation Inspection: 7 Signs You Need One