A backyard plan can have room for a detached accessory dwelling unit and very little room to build one. The route past the front house might narrow at an air-conditioning unit, a mature tree or the corner of a porch. A driveway may be usable for deliveries only during certain hours. Before committing to a floor plan, walk the property with the person who will have to get crews and materials from the street to the building site.
Measure the route from the curb
Start with the full path from the unloading point to the proposed ADU. Mark gates, steps, overhead obstructions and every turn in the route. Record the narrowest clear opening and note where the usable width changes when a gate is open or a vehicle is parked. The length of a delivery matters too. A long piece of framing or a large window may fit through a gate and still be difficult to turn around the back corner of the house.
During planning for detached ADU construction in Los Angeles, ask the team to draw the access route alongside the new building. That drawing should show where a delivery can pause, where crews can sort materials and which parts of the property the household needs to use throughout construction. It also gives the designer a way to see how moving the ADU or shifting a doorway would affect how the site functions.
Give each phase a place to work
Earthwork, framing and interior installation put different demands on a narrow side yard. The first phase may need space to move excavated material. Framing may require a temporary storage area for longer pieces. Windows, cabinets and appliances arrive later, when framing and fencing may have reduced the maneuvering space. Ask the team to review those phases individually.
A general contractor serving Los Angeles can explain which deliveries are likely to need special handling and which materials can be brought in smaller batches. Confirm who receives deliveries and how the team will protect paving and landscaping along the route. That discussion should happen before large assemblies are ordered and while alternate sizes or delivery methods are still practical.
Account for everything you plan to keep
Walk the route with a list of features the household wants to preserve, including a hedge, side steps, a freestanding shed or driveway pavers. Photograph current conditions. Some items might need temporary removal, and some may require a change to the access plan. If a fence panel must come out, include its temporary closure and final reinstatement in the scope so the team can price the full sequence.
Think through everyday use of the front house as well. Where will residents take bins out, receive packages or park? Can the family still use a side entrance? Who should residents contact before a large delivery? A plan for those routines can be as simple as a marked-up drawing and a shared calendar, as long as the people using the property can find the information when they need it.
Price the logistics as part of the job
Ask the estimate to describe how the team expects to handle unloading, material movement, temporary storage and removal of construction debris. Confirm which existing finishes the contractor plans to protect, remove or restore. If the delivery strategy depends on staging on another property or using space near the street, have the project team verify availability and any required approvals before relying on it.
Request an alternate access plan when a critical step depends on a single opening. For example, a tight corner may make a window difficult to handle after the adjacent wall is framed. The team can discuss whether a different installation sequence or unit configuration would resolve that constraint. Record the decision while window sizes and lead times can still be coordinated.
Plan the change from work site to backyard
Some gates and paths must serve the construction crew first and the future ADU residents later. Mark what is temporary and what belongs in the finished layout. A gravel access lane might become part of a new walkway, or it may need to be removed so a planting bed can return. Make those responsibilities clear before pricing the finished landscape.
At the end of the site walk, review the proposed route one last time with the floor plan. Check the longest delivery, the tightest turn and the point where the household and crew are most likely to cross paths. Then confirm who updates the plan when the construction sequence changes. That record helps the same decisions reach the designer, the people ordering materials and the crew receiving them.