ADU Construction in La Canada Flintridge
La Canada Flintridge ADUs start with a locator sweep under every footing line, then a foundation the soils report sizes and fire-ready walls.
Ground under the future footing lines is the first thing we probe on a La Canada Flintridge lot, sweeping it with an electronic locator for buried gas, water and irrigation pipe. A trench cut through an unknown line stops a pour and can move a footing. Once the lines are marked, we stake the footprint, note any trees whose roots cross it and check how the yard drains toward the planned unit.
From soils report to rebar
The engineer reads the soils report for a La Canada Flintridge ADU and sets the footing width, depth and steel. If the lot slopes, footings may step down in short level runs so each one bears flat on firm soil. Hold-downs land where the braced walls end, and the bolts for them are tied into the rebar cage before the inspector arrives. We pour only after that inspection, then let the concrete cure before framing so the anchors can reach full strength. Any buried line found during the sweep is rerouted or sleeved where it meets the new concrete.
Clear ground around the unit
Fire hazard severity mapping covers parts of La Canada Flintridge. A parcel inside it may need an ember-resistant build, and the space around the walls matters as much as the walls. Our site plan shows a band of gravel or pavers at the base, plantings held back from the siding and no wood fence fastened to the unit. The exterior itself takes noncombustible cladding, a Class A roof and windows with a tempered pane. The city or county building department named on the permit reviews the set and the structural calculations.
About our adu construction serviceEverything we do in La Canada Flintridge
ADU Construction in La Canada Flintridge: questions
It sits on reinforced concrete, with sizes taken from the soils report. On a flat La Canada Flintridge lot that is often a slab with deep edges. On a sloping one it may be a stepped perimeter footing or a system of piers and grade beams. Either way the frame is bolted to it.
We find out by digging. A garage footing in La Canada Flintridge is exposed at its corners and wherever shear panels are planned, and we compare its depth and width with the engineer's design. A short footing means new concrete under those walls, plus new sill bolts and plywood bracing.
It is drafted for a unit of one story whose floor area does not pass 500 square feet. A La Canada Flintridge parcel on the fire hazard map puts weight on the wall drawings and on the site plan, and the package prepares both for the reviewer. A second story or added floor area means a separate price after our review.
ADU Construction in other cities
More we build in La Canada Flintridge
Book an inspection in La Canada Flintridge
Describe the house and what it needs. We look at the structure first and send the quote in writing.