Los Angeles, Los Angeles County

Seismic and foundation work in Los Angeles

Foundation bolting, cripple-wall bracing and beam work for Los Angeles houses, planned from the sill plate upward by Aspenwell Construction.

Tell us about the house

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The joint we care about most in a Los Angeles house is one nobody looks at: the seam where a wooden sill plate rests on the concrete under it. In a dense urban setting the ground can still lurch sideways, and that seam decides whether the frame stays seated. We trace the load from the roof down through each wall to that sill, then plan bolts, plates or fresh sheathing wherever the path breaks.

Reading the load path from the crawlspace

On a raised foundation our survey starts low. A flashlight and a probe show whether the sill is sound or soft with rot, whether any bolts exist and how they are spaced, and whether the short cripple walls between floor and footing carry plywood at all. Cracks in the concrete get a tape measure across them. From that survey we sketch how gravity and sideways force move through the house and where they would stall. The sketch becomes the scope, so the written quote covers the weak links that were found and leaves out padding.

Permits inside the City of Los Angeles

Structural work within city limits is reviewed by the Los Angeles Department of Building and Safety. A qualifying wood house can often be bolted and braced to a standard code plan, but soft-story frames, new beams and replaced footings call for an engineer's calculations, and we bring that engineer onto the job. Inspectors see the bolts and the nailing before anything gets covered. With the base signed off, the same load path logic follows the rest of a remodel, from a widened opening to an addition tied into the existing frame.

Plan structural work in Los Angeles

Send the form and we will arrange a visit, then put the scope in writing.