What was permitted
Homeowners in Sylmar considering Accessory Dwelling Unit (ADU) modifications can find cost insights here. This permit is a supplement to a previous one, detailing the rotation of an existing ADU by 90 degrees.
This building alteration permit was issued on September 11, 2026, with an estimated project cost of $2,501. It pertains to a 1 or 2 family dwelling and indicates a specific structural adjustment for the ADU.
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