FAQs • Hillsborough, CA • CivicEngage

Whom do I contact to report about an illegal addition on a home?: If you believe that someone is illegally constructing an addition, you may call the Building Department at 650-375-7411 to see if there is a Building Permit on record. The Building Department will need to have the street address in order to search the files. If it is determined that work is being done without a permit, a Building Inspector will be sent to investigate the job.

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Nuisance / Code Complaints

1. What can I do about construction noise?: If you believe that construction is occurring at times other than those permitted in Hillsborough (Monday - Friday, from 8 a.m. to 5 p.m., and Saturdays, 10 a.m. - 5 p.m.; no work on Sundays and Town Hall holidays), please contact the Police Department. For noise that you believe is too loud, also contact the Police Department. Patrol Officers will measure the decibels with decibel meter if there are concerns.

2. What can I do about trees blocking my view?: The town does not have an ordinance protecting views or that requires anyone to trim or remove a tree to preserve a view.

Residents are advised to contact the owner of the tree to determine if trimming or removal is possible.

If the tree of concern is town-owned, please contact the Public Works Department. Generally, the town will not allow the trimming or removal of trees in the town's open space areas.

3. Whom do I contact to report about an illegal addition on a home?: If you believe that someone is illegally constructing an addition, you may call the Building Department at 650-375-7411 to see if there is a Building Permit on record. The Building Department will need to have the street address in order to search the files. If it is determined that work is being done without a permit, a Building Inspector will be sent to investigate the job.