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County of Sonoma Community Development Commission
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FLOOD ELEVATION MITIGATION PROCESS

Once properties are identified and submitted to FEMA for conformation, program staff assists owners in obtaining building plans for the project. After plans are approved the elevation projects is put out to bid toa list od CDC approved contractors.

 

Pre- elevation:

 

 

Construction follows 4 phases which consist of:

This image is a photo of a home prior to any elevation work.
   

 

 

1. Raising the structure above the flood level by a qualified house lifter.

This image is a photo of a home that has been raised on temporary jacks.
   

 

 

2. Installation of new perimeter concrete foundation, as needed.

This image is a photo of the new perimeter foundation for a house being raised.
   

 

 

3. Construction of new supporting walls, lowering structure and reattaching.

This image is a photo of a raised house with the new foundation walls in place.
   

 

 

 

4. Completion of stairs, landings, finish trim and paint.

This image is a photo of a house with new stairs and deck after being raised.