Downey, Los Angeles County
Second Stories, Additions and Structural Work in Downey
Second stories, room additions and structural upgrades in Downey, starting with whether the existing foundation and walls can carry the new load.
Can the house in Downey take a second story without a new foundation? That question decides the scope before any design starts, and it has a measurable answer. We check the footing size and depth at a few exposed points, look at the framing in the attic and crawlspace, and pass what we find to the engineer, who runs the loads and says what has to be strengthened.
When the footings need help
If existing footings are too shallow or too narrow for the added weight, the engineer can call for underpinning at the points where new posts land, or a fresh grade beam under a bearing line. Shear walls on the lower floor are sheathed and anchored to resist sideways load from the taller structure, with hold-downs bolted to the concrete. On an urban lot with tight side yards, excavation is often done by hand, and concrete may be pumped over the house. The building department serving Downey reviews the calculations and foundation sheets before work begins.
Framing the upper floor
Once the lower structure is ready, the roof comes off in sections and the new floor system is framed over the old ceiling line, with temporary cover against rain while the house is open. Stair placement is fixed early, since it removes floor area on both levels and moves loads. Upper walls, the new roof and the tie-in to existing gutters follow. The same review and framing sequence applies to work in Lakewood, Whittier, Cerritos, Monterey Park, Los Angeles and Hacienda Heights, under whichever office permits each address.
Work we take on in Downey
Each service is planned around the lot, sloped or level.
Building in Downey?
Send the address and the job, and a builder will arrange a visit to read the lot.