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Heritage Tree Frequently Asked Questions
What is the definition of a Heritage Tree in San Mateo?

  1. Any Oak, Bay, Redwood, Buckeye, or Cedar, having a trunk diameter of 10 inches or more, measured at 4 feet (48 inches) above ground level.
  2. Any tree with a trunk diameter* of 16 inches or more, measured at 4 feet (48 inches) above ground level.

*Measuring the diameter of your tree is straightforward, requiring just a few simple steps with the help of common household items. Download our easy measurement instructions


Are permits required to remove or prune Heritage Trees?

You must obtain a permit from the City’s Managing Arborist if you wish to prune more than 25% of the existing foliage or 30% of the root system of any Heritage Tree growing in the City of San Mateo (Section 13.35, S.M.M.C.). Exceptions are extended only to the Police, Fire Departments and PG&E should they declare a tree a hazard to life or property.

Unless you are certain about the amount of foliage or roots you plan to remove from the tree, it is recommended that you consult the City or a professional arborist before performing any work. You do not want to find yourself paying a penalty or harming your tree due to misguided maintenance.


Where can I apply for a permit?

Tree Work Applications for permits can be obtained at the Parks Office located at 2001 Pacific Blvd., San Mateo; or by clicking here.


Is there a fee for the permit?


A permit fee of $75.00 is due at the time of permit issuance for work on any Heritage Tree. An additional replant deposit of $425.00 is due at the time of permit issuance if the tree work requires removal of any Heritage Tree. The permit fee partially covers the cost of processing the permit, including an evaluation of the tree by the City Arborist. The replant deposit is returned once a new 24-inch box tree has been planted (valid for up to 12 months from the date of permit issuance). There is no fee for applications unless they are approved. Fees are required with all tree work with the exception of Street Tree work, which does not require the fee for permit approval.


What happens after I submit my Tree Work Application?

Upon receiving the application, a representative from the City’s Managing Arborist office will inspect the tree and evaluate your reasons for removal against the guidelines of the Heritage Tree Ordinance Section 13.52.040. To grant any permit, all abutting property owners are notified in writing of the Managing Arborist’s decision and have 10 days to request reconsideration. After the notification period, the property owner is informed that the permit can be paid for and picked up at the Park’s Division Office located at 2001 Pacific Blvd., San Mateo. For convenience, the office will also take payment over the phone at 650-522-7420. The permit will then be emailed to you, along with a receipt.  


How long does it take to get a permit approved?

In most cases it takes approximately four weeks. It may take longer if the application is related to a construction development project, or if there is insufficient information provided and more is needed.


What can I do to expedite the processing of my permit?

The more supplementary information that can be provided along with the application, the easier and quicker it will be to assess the situation and reach a determination.

Additional tips for an expedited permit process:

  •  The most helpful information would be in the form of visual aids such as a clear photo of the tree or any other related photos to support your request.

  • Additional documentation will be requested in some cases. Examples of documentation include: a report from a certified arborist, photos of damaged structures, letters of concern from neighbors, etc.


Can I appeal the decision?

Any person may request reconsideration of a permit decision. Requests shall be in writing, and mailed or emailed to the Director of Parks & Recreation no later than 5:00 p.m. of the tenth calendar day after the decision.


Are tree protection measures required when building near a Heritage Tree?

Depending on the scope and location of the project, the San Mateo Planning or Building Department may require that you submit a Tree Protection Plan prepared by a certified arborist for any protected tree that is in danger of being affected by the construction. If the plan is sufficient to prevent harm to protected trees from reasonably foreseeable construction activities (as outlined in Section 13.52.025 S.M.M.C) it shall be approved and monitored through completion of the project.


Can the Managing Arborist come out and offer guidance about my tree before I apply for a permit?

No. The Managing Arborist can only inspect your tree after an application has been submitted.


Do I need a permit to remove a dead Heritage Tree?

Yes. It is important that the Managing Arborist confirms the condition of your tree and issues a permit prior to removal. Please keep in mind that any helpful supplementary information (clear photos, reports, etc.) will expedite the processing of your application.


Will I be fined if a tree is removed without a permit?

Yes. It is unlawful to remove or cause damage to a Heritage Tree without a permit. Penalties can be assessed to all parties involved in an unauthorized removal, including the homeowner and the contractor. For details regarding fines and penalties, please refer to section 13.52.055 of the San Mateo Municipal Code.


What happens once a removal permit has been issued?

A Heritage Tree Removal Permit is valid for up to 12 months from date of issue. Within this 12-month period, the owner may remove the tree(s) and plant a new 24-inch box tree(s). A “replant deposit” of $425.00 is collected at the time of permit issuance. Once the replacement tree(s) has been planted, please contact the Parks Department to request a replant inspection. After the inspection by City staff verifies the replant, your deposit will be refunded by mail. If the replacement tree(s) is not planted within 12 months of the permit date, the deposit is forfeited and used to plant new trees in City parks, medians and public areas. 


Are there any specifications regarding the replacement tree?


Yes. Replacement trees must be of 24-inch box size. This is a standard size available through tree growers. The replacement tree may be planted anywhere on the property, except in the public right of way. In some cases, the Managing Arborist will provide direction on the replacement species and location of the replant (as outlined in Section 13.52.050 (b) S.M.M.C).


My tree has become dangerous during a storm. Do I still need a permit for an emergency removal?

Generally speaking, exceptions to permits are extended only to the Police Department, Fire Departments and PG&E, should they declare a tree a hazard to life or property.

  1. If your tree has caused a dangerous or life-threatening emergency: Call 911.
  2. If your tree has become dangerous from a storm but is not causing an immediate threat: Call the Parks Department at 650-522-7420. You will be issued an “emergency permit,” at which point the Managing Arborist will visit your property and issue the permit on site.


My neighbor has a tree that is causing damage to my property. Can the City do anything about it?

The City cannot force the owner of the tree to remove or prune it. It is recommended that you work with your neighbor to arrive at a solution. If you are unable to arrive at a mutually agreeable solution, consider contacting the Peninsula Conflict Resolution Center for assistance at 650-513-0330.


Why does the City have a Heritage Tree Ordinance?

In 1968, the City adopted a Heritage Tree Ordinance to preserve the great trees in the City and to encourage planting more trees. Heritage Trees are living landmarks and are an important part of San Mateo’s urban forest. As stated in the ordinance, it is our intent to pursue methods of solving tree-related problems, other than removing valuable trees unless absolutely necessary. The ordinance also ensures that Heritage Trees will be protected during construction.

Trees provide many benefits to our community including:

  • Raising property values
  • Providing wind and sun protection, thereby lowering heating and cooling bills
  • Providing privacy as well as natural habitats for song birds
  • Reducing stress: in fact having trees close by has been proven to aid in recovery after surgery
  • Providing over $1.4 Million in net benefits to our City (City of San Mateo Urban Forest Resource Analysis, 2011)


I still have questions. How can I get additional Information?

Contact the Tree Division at 650-522- 7420, or .

Contact the City’s Arborist

Email: trees@cityofsanmateo.org
Phone: (650) 522-7420
Hours:
Monday-Friday, 7:00am to 3:30pm

For emergencies after business hours, call Public Safety Dispatch at
(650) 522-7350.

 
 
San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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