Skip to content

Highland · Building on your lot

Building on your lot in Highland

Highland sets its own limits for fences and detached accessory buildings in residential districts, and has its own rules for home-based businesses. Front-yard fence height depends on how open the upper part is.

Key points

  • Fence height: Highland limits front-yard fences to 4 ft, or 5 ft if 90% open above 3 ft; side, rear and street side yards 6 ft.
  • Accessory buildings: Highland limits detached accessory buildings to 20 ft, no taller than the main structure, and 1,000 sq ft without a staff review permit.
  • Home businesses: Highland has city standards for home-based businesses and a home-based business license chapter.

Each rule below is marked Highland code or CA state law and links to the section it comes from (checked October 2026). General information, not legal advice.

Fences and walls

Highland code What Highland's code adds
Corner visibility
  • Fences and walls must leave clear sight lines. No height number is given.
    Applies: Reversed corner lots and street side yards in residential districts.
    § 16.40.100 · code text
    In the case of reversed corner lots and street side yards, fences and walls, as permitted by subsection (A)(2) of this section, shall ensure the safety of pedestrian and vehicular traffic by providing for adequate sight lines.
Front yard height
  • No more than 4 feet high.
    Applies: Required front yards in residential districts.
    § 16.40.100 · code text
    In any required front yard, except as provided for in HMC § 16.16.040(D)(4)(f) and § 16.22.040(B)(5)(m), a wall or fence shall not exceed four feet in height.
  • Up to 5 feet high.
    Applies: Residential front yards, when the part above 3 feet is wrought iron or other material that lets 90% of light through.
    § 16.40.100 · code text
    However, walls or fences may be permitted up to a maximum height of five feet; provided, that the portion of the fence or wall above three feet in height is wrought iron or other 90 percent light-permitting material.
  • Up to 6 feet high.
    Applies: Solid pilasters that support a front yard fence in residential districts, with caps or lights up to 12 inches above the fence.
    § 16.40.100 · code text
    Said pilasters with caps or optional lighting fixtures may also extend up to a maximum of 12 total inches above the adjacent fences or walls they reinforce, for a maximum height of six feet.
Side and rear yard height
  • No more than 6 feet high, measured from the highest nearby grade.
    Applies: Interior side, rear or street side yards in residential districts, not reaching into the required front yard.
    § 16.40.100 · code text
    A fence or wall not more than six feet in height, as measured from the highest adjacent grade, may be maintained along any interior side yard, rear yard or street side yard; provided, that such wall or fence does not extend into the required front yard (see Figure 16.40.100.A).

Sheds, garages and other accessory structures

Highland code What Highland's code adds
Maximum height
  • No more than 20 feet high, and no higher than the main building.
    Applies: Detached accessory buildings in residential districts.
    § 16.40.030 · code text
    Accessory buildings shall have a maximum height of 20 feet and shall not exceed 1,000 square feet; provided, however, that the accessory building is no higher than the main structure.
Size or lot coverage
  • No more than 1,000 square feet.
    Applies: Detached accessory buildings in residential districts. Larger ones need a staff review permit approved by the planning commission.
    § 16.40.030 · code text
    Accessory buildings shall have a maximum height of 20 feet and shall not exceed 1,000 square feet; provided, however, that the accessory building is no higher than the main structure.
  • No more than 1,000 square feet.
    Applies: Patio covers or roofs attached to or linking the main building to an accessory building, in a required rear, interior side or street side yard.
    § 16.40.030 · code text
    Shall not exceed 1,000 square feet in area, or more than 20 feet in height, or project closer than five feet to an interior side, street side, or rear lot line; provided, that the canopies/patio cover is no higher than the main structure.
Side and rear setback
  • At least 1 foot from the property line.
    Applies: Detached accessory structures in residential side or rear yards. One-hour fire walls are required when closer than 5 feet.
    § 16.40.030 · code text
    In no case shall an accessory structure be located closer than one foot from the property line.
Distance from the house
  • At least 10 feet from any other building.
    Applies: Accessory buildings in residential districts.
    § 16.40.030 · code text
    Accessory buildings shall be located at least 10 feet from any other building.

RV and boat parking

Highland code What Highland's code adds
Where it may be parked
  • RVs may be parked or stored in the side yard and rear yard.
    Applies: Applies to permanent parking or storage on a residential property.
    § 16.52.080 · code text
    Parking and storage of recreational vehicles is permitted within the side yard and rear yard.
  • Only on the paved front driveway or a paved surface in the side or rear yard.
    Applies: Applies to temporary off-street parking for loading, unloading, prepping, or cleaning.
    § 16.52.080 · code text
    Parking shall be limited to the paved driveway in front of the residence or a paved surface within the side yard or rear yard.
Front-yard parking
  • No RV storage in the front yard, unless no suitable side or rear yard location exists.
    Applies: Applies to RV parking or storage on a residential property.
    § 16.52.080 · code text
    No storage of recreational vehicles shall occur in the front yard of a residential property unless there is no suitable location within the side yard or rear yard which meets the requirements specified within this section.
  • Allowed temporarily on the paved driveway for loading, unloading, prepping or cleaning.
    Applies: Temporary off-street parking; the RV may not extend into the sidewalk or public right-of-way.
    § 16.52.080 · code text
    Temporary off-street parking of a recreational vehicle on a paved driveway in the front yard shall be allowed for the purpose of loading, unloading, or otherwise prepping or cleaning the recreational vehicle and shall be in compliance with the following conditions:
Screening and surface
  • Only on asphalt or concrete paving.
    Applies: Applies to motorized and nonmotorized RVs that contain an engine.
    § 16.52.080 · code text
    Parking and storage of all motorized and nonmotorized recreational vehicles which contain an engine shall only occur on a paved surface of asphalt or concrete.
  • On asphalt, concrete, gravel or pavers.
    Applies: Applies to nonmotorized RVs that do not contain or carry an engine.
    § 16.52.080 · code text
    Parking and storage of all nonmotorized recreational vehicles which do not contain and/or carry an engine shall occur on asphalt, concrete, gravel or pavers.
  • Fitted covers are allowed if kept in good condition.
    § 16.52.080 · code text
    Fitted covers are permitted and may be used as long as they are maintained in good condition.
Parking on the street
  • No more than 3 consecutive days (72 hours).
    Applies: Applies to an RV with a temporary parking permit, parked along or near the owner's residence.
    § 10.28.080 · code text
    Parking of a recreational vehicle with a temporary parking permit shall be allowed for a maximum of three consecutive days (not more than 72 hours) along the property frontage, or in close proximity of, the associated residence.
  • Not allowed unless a temporary parking permit has been issued.
    Applies: Applies to any RV on city streets.
    § 10.28.050 · code text
    The parking of any recreational vehicle as defined in HMC § 10.28.030 is prohibited on city streets unless a temporary parking permit has been issued pursuant to this chapter.
  • Not allowed on city streets.
    Applies: Applies to a nonmotorized RV unhitched from its towing vehicle.
    § 10.28.050 · code text
    The parking of any nonmotorized recreational vehicle which has been removed from the towing vehicle is prohibited on city streets.
Living in an RV
  • Not allowed: RVs may not be used as living quarters.
    Applies: Applies to RVs parked or stored on residential property.
    § 16.52.080 · code text
    Recreational vehicles shall not be used as living quarters when parked or stored on residential property.

Solar panels and EV chargers

Highland code What Highland's code adds
Review time
  • Permit issued the same day, or as soon after as practical.
    Applies: Applies to complete over-the-counter applications that meet the approved checklist and standard plans.
    § 15.80.030 · code text
    the same day for over-the-counter applications
  • Permit issued within 1 to 3 business days, or as soon after as practical.
    Applies: Applies to complete electronic applications that meet the approved checklist and standard plans.
    § 15.80.030 · code text
    within one to three business days for electronic applications

Tree removal

Highland code What Highland's code adds
Exemptions
  • Exempt: trees that the city engineer believes will damage existing public improvements.
    Applies: As determined by the city engineer.
    § 16.64.040 · code text
    Trees which, in the opinion of the city engineer, will cause damage to existing public improvements.
  • Exempt: trees needing maintenance or removal to protect existing power or communication lines or utility property.
    Applies: As determined by the city engineer.
    § 16.64.040 · code text
    Trees which require maintenance or removal action for the protection of existing electrical power or communication lines or other property of a public utility as determined by the city engineer.
  • Exempt: removal under a fire hazard reduction program approved by the fire department.
    § 16.64.040 · code text
    Removal of trees as part of a fire hazard reduction program approved by the fire department.
  • Exempt: removing trees on lots of 20,000 square feet net or less that have a primary structure.
    Applies: The primary structure may not be a sign structure.
    § 16.64.040 · code text
    Removal of trees on lots that have a net area of 20,000 square feet or less, which are developed with a primary structure, other than a sign structure.
  • The permit requirement may be waived.
    Applies: Applies when the community development director finds a tree dangerous enough to need emergency action for public safety.
    § 16.64.040 · code text
    In the case of trees determined by the community development director, or designee, to be in a dangerous condition requiring emergency action to protect the public health, safety and welfare, the permit requirement may be waived.
  • Emergency removal is allowed; notify the community development director within 5 calendar days.
    Applies: Applies when a tree is an immediate threat of damage to a structure or injury to people or fenced animals.
    § 16.64.040 · code text
    The community development director or his designee shall be notified within five calendar days of the emergency tree removal.
Permit to remove
  • Yes, a tree removal permit is required first.
    Applies: Applies to removing, relocating, or destroying any heritage tree in the city, including by building permit applicants.
    § 16.64.040 · code text
    No person, firm, or corporation shall remove, relocate or destroy any heritage tree within the city limits, including an applicant for a building permit, without first obtaining a tree removal permit from the community development director.
  • Yes; both a landmark alteration permit and a tree removal permit are required.
    Applies: Applies to a tree designated as a historic landmark.
    § 16.64.040 · code text
    No tree designated as an historic landmark shall be altered, removed, relocated or destroyed by any person, firm or corporation without first obtaining a landmark alteration permit and tree removal permit.
Replacement trees
  • Reasonably equivalent replacement trees may be required.
    Applies: Applies to approved removals on private property not tied to a development proposal.
    § 16.64.040 · code text
    Subsequent to investigation, the community development director may approve the permit for the removal of all or some of the trees included in the application, and may attach conditions of compliance as deemed necessary, including but not limited to the replacement of the removed tree(s) with reasonably equivalent replacement trees.

Other Highland rules on this

Highland's code also has these chapters. We have not summarized their values on this page yet; read them in the library.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

How tall can a fence be in Highland?

Highland limits front-yard fences to 4 ft, or 5 ft if 90% open above 3 ft; side, rear and street side yards 6 ft.

How big can a shed or accessory building be in Highland?

Highland limits detached accessory buildings to 20 ft, no taller than the main structure, and 1,000 sq ft without a staff review permit.

Can I run a business from my home in Highland?

Highland has city standards for home-based businesses and a home-based business license chapter. Highland also has a related rule: Home-based business standards (§ 16.44.140); Home-based business license (Ch. 5.12).

Can I park an RV or boat at my home in Highland?

Highland's code: RVs may be parked or stored in the side yard and rear yard. (Applies to permanent parking or storage on a residential property.) (§ 16.52.080); Only on the paved front driveway or a paved surface in the side or rear yard. (Applies to temporary off-street parking for loading, unloading, prepping, or cleaning.) (§ 16.52.080).

Do I need a permit for solar panels or an EV charger in Highland?

Highland's code: Permit issued the same day, or as soon after as practical. (Applies to complete over-the-counter applications that meet the approved checklist and standard plans.) (§ 15.80.030); Permit issued within 1 to 3 business days, or as soon after as practical. (Applies to complete electronic applications that meet the approved checklist and standard plans.) (§ 15.80.030).

Do I need a permit to remove a tree in Highland?

Highland's code: Exempt: trees that the city engineer believes will damage existing public improvements. (As determined by the city engineer.) (§ 16.64.040); Exempt: trees needing maintenance or removal to protect existing power or communication lines or utility property. (As determined by the city engineer.) (§ 16.64.040).

General information, not legal advice.

Ask about a specific Highland property

Ask GoCodebook how these rules apply to your address and get an answer that cites the section.

Ask your question

More on Highland