Construction planning graphic
Masonry graphic
Greg Sylvis examines the foundation under a house.

Greg Sylvis, in the news

From the San Gabriel Valley Tribune

Greg Sylvis is quoted regarding Preparing for the Mega-Quake

Greg Sylvis, in Popular Mechanics

Foundation bolting and cripple wall construction.

Masonry chimney

Chimney repair and retrofitting

Chimney reconstruction

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Brick chimney

Masonry fireplace reconstruction

Masonry fireplace upgrades to newer models

Framing

Comprehensive inspections

We inspect the entire home, inside and outside.

Wood frame

Structural integrity

The foundation and structure of your home keep you safe during earthquakes.

Tile roof and chimney, Pasadena

Earthquake country

Los Angeles is earthquake country. Are you ready for the next big one?

Retrofitting construction professionals

Construction professionals

Let the professionals at Greg Sylvis, General Contractor, Inc. help you with your retrofitting needs.

  • Greg Sylvis in the News

    Greg Sylvis in the news

    Greg Sylvis retrofits homes to make them earthquake safe.
  • Greg Sylvis in Popular Mechanics

    Greg Sylvis in Popular Mechanics

    Greg Sylvis explains foundation bolting and cripple wall installation.
  • Seismic retrofitting, foundation bolting, chimney repair and cripple wall bracing

    Greg Sylvis, General Contractor, Inc.

    Seismic retrofitting, foundation bolting, chimney repair and cripple wall bracing.
  • Chimney repair and retrofitting

    Chimney repair and retrofitting

    Chimney repair and retrofitting that matches the original work and ensures the safety of your home.
  • Masonry fireplace reconstruction

    Masonry fireplace reconstruction

    We upgrade old masonry fireplace to newer models, check the structure within and discuss retrofitting options with you.
  • Comprehensive inspections

    Comprehensive inspections

    We inspect the outside of the home as well the inside before making assessments on how to move forward with your renovation.
  • Structural integrity

    Structural integrity

    Your foundation protects you during earthquakes and other disasters. Call us to assess the structural integrity of your home.
  • Los Angeles, Hollywood, Pasadena and the San Gabriel Valley, Santa Monica

    Earthquake Country

    Los Angeles, Hollywood, Pasadena and the San Gabriel Valley, Santa Monica and the Westside is part of earthquake country. Is your structure ready for the next big one?
  • Construction professionals

    Construction professionals

    Let the construction professionals at Greg Sylvis help you with your retrofitting needs.

Seismic retrofitting contractor in Los Angeles

Greg Sylvis is a trusted, licensed general contractor with more than 28 years of experience and hundreds of very satisfied customers in the greater Los Angeles area. He specializes in the most basic of construction work — the structural safety of your building or home.

When Greg inspects your home, he gives an honest opinion on what your house may need:

  • House bolting
  • Foundation bolting
  • Earthquake and seismic retrofitting
  • Chimney repair
  • Cripple wall bracing
  • Floor leveling
  • Foundation repair

Experience and honesty is paramount. This is very specialized knowledge and these are serious subjects. Addressing these issues will assure the investment in your home and will protect the safety of your family during an earthquake.

We welcome inquiries from builders, other contractors, real estate professionals and property owners. We can provide references and testimonials. Please call us at 626-449-6118 to arrange an immediate inspection. We look forward to working for you.