CMZStudio
California structural engineering

Structural Engineer for Load-Bearing Wall Removal

Removing a load-bearing wall changes how roof and floor loads reach the foundation. We calculate the replacement beam, posts, connections, and supporting footings, then prepare the structural drawings typically needed for a building permit.

Open great room after a load-bearing wall removal with a concealed beam
When to call

Projects this service is built for.

  • Open-concept kitchen and great-room remodels
  • New openings in exterior or interior bearing walls
  • Flush or concealed beam design
  • Projects with new point loads over existing framing or foundations
Deliverables
01

Load-path assessment

We identify what the wall supports and where the replacement loads must go.

02

Beam and post calculations

We size the beam, posts, connections, and any required footing upgrades.

03

Structural permit drawings

We show the new opening, member sizes, connections, and construction notes clearly.

Process

From first review to structural plan check.

  1. 01

    Share

    Send the address, proposed opening, photos, and architectural drawings if available.

  2. 02

    Confirm

    Verify joist, rafter, and wall directions plus the foundation below.

  3. 03

    Calculate

    Size the replacement system and check every concentrated load.

  4. 04

    Document

    Deliver structural calculations and drawings for permit and construction.

FAQ

Direct answers before you call.

The permit jurisdiction and site conditions control the final scope. We confirm both during the initial review.

Lei Zheng, California-licensed Civil Engineer and Principal Engineer at CMZStudio

Mason (Lei) Zheng

Founder & Principal Engineer, CMZStudio

California Professional Engineer

California-licensed engineering

Licensed engineering from first calculation through plan check.

Lei Zheng has held a California Civil Engineer license since 2006. At CMZStudio, he reviews structural decisions, prepares and stamps engineering documents, and supports responses through city plan check.

Official California DCA record

C-69809

CLEAR
License holder
Lei Zheng
License type
Civil Engineer
Issued
March 17, 2006
Verify license

Status verified July 23, 2026

California-licensed
20 years
Official DCA record
C-69809

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