Arcadia ADU Construction with the roof water planned first
Arcadia ADUs with the roof, gutters and drain pipes planned before the framing, a light roof color for an inland lot and city plan review.
Roof water from an Arcadia backyard unit can go to the curb through a buried pipe, into a gravel dry well, or out across a lawn, and the pitch and gutters follow from that choice. We pick the destination before the roof is drawn. A unit whose water is planned this way keeps the path to its door dry, so a parent never has to step through a puddle to get home.
Pitch, gutters and downspouts
Which way the roof tilts sets where every downspout ends up. On a narrow lot, we tip the roof so water drains toward your own yard and away from the neighbor's fence, which the reviewer will look for in the drainage notes. Gutters are sized for the roof area each one serves, with downspouts at the corners and a leaf screen on top. Each downspout ties into a solid pipe laid at a steady fall to its outlet, with a cleanout wherever it turns. Splash blocks are skipped near the door, where they would trip someone.
Plan review and the quote
Arcadia's plan checkers look at where water leaving the unit goes, and it has to stay on the lot or reach the street through an approved outlet, never onto a neighbor's parcel. We draw roof slopes, gutter sizes and pipe routes on the site plan so the path of the water is easy to follow. A light-colored roof covering keeps an inland unit cooler under hard sun. The plans package comes first in the quote, and the build is priced once the city approves the set.
ADU Construction in Arcadia: what families ask
Yes. Mom, Dad or a grown son or daughter can make an Arcadia unit a full home, with cooking, bathing and a private door. The plan follows the person, with a bench and hooks by the entry and a curbless shower with grab bar blocking for a parent, or a wider closet and a desk nook for a grown child.
Look at how the garage handles water first. One whose roof already drains away from it, on a sound slab, converts with modest work. If water pools against its walls, or it stands close to the house, a detached unit placed where the yard drains well may serve better, and its roof can be planned from scratch.
Arcadia's code sets the limits, and state law bounds what the city may require. A city may not hold a two-bedroom design under 1,000 square feet, for example. Lot coverage, the floor area of the house and setbacks narrow the outline further, so we check them for your parcel before drawing.
ADU Construction in other cities
Other projects we take on in Arcadia
Your Arcadia project, start to finish
Tell us about the house and the space you need. We reply by phone or email to plan a visit.

