Skip to content

Sierra Madre · Building on your lot

Building on your lot in Sierra Madre

Sierra Madre sets its own limits on fences, accessory structures and home businesses. A home business that meets all standards gets ministerial review; others may qualify for discretionary review.

Key points

  • Fence height: R-1, R-2 and R-3 zones: fences at most 42 inches in the required front yard, 6 feet on interior side or rear lines.
  • Accessory structures: Single-story detached accessory structures of 600 sq ft or less are limited to 15 feet; larger or 2-story ones follow main-building standards.
  • Home businesses: Under ministerial review, a home business may use 25% of the home's floor area or 400 sq ft, whichever is greater.

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

Fences and walls

Sierra Madre code What Sierra Madre's code adds
Height anywhere on the lot
  • Walls and fences up to 6 feet tall may be allowed.
    Applies: On through lots, within 25 feet of the secondary frontage property line, with a conditional use permit.
    § 17.48.130 · code text
    Walls and fences a maximum six foot in height may be permitted within twenty-five feet of the secondary frontage property line, with the approval of a conditional use permit pursuant to the provisions of Chapter 17.60.
  • An open work fence or wall of up to 42 inches may sit on top.
    Applies: At the top of a retaining wall that holds fill, in the R-1, R-2 and R-3 zones.
    § 17.48.130 · code text
    Where a retaining wall contains a fill, the height of a protective open work fence or wall of not more than forty-two inches in height may be erected at the top of the retaining wall.
  • An open work fence or wall up to 42 inches is always allowed on top, whatever the retaining wall height.
    Applies: On existing retaining walls in R-1, R-2 and R-3 when cut or fill is unclear. Height measured from the midpoint of both lots' elevations.
    § 17.48.130 · code text
    Regardless of the height of the existing retaining wall, an open work fence or wall of not greater than forty-two inches, as defined in subsection (E)(2) of this section, shall be permitted to be placed on top of the existing retaining wall.
Front yard height
  • Walls and fences can be at most 42 inches tall.
    Applies: In the required front yard setback in the R-1, R-2 and R-3 zones.
    § 17.48.130 · code text
    Walls and fences within the required front yard setback, as set forth in Sections 17.20.050, 17.24.050 and 17.28.100, shall not exceed a maximum height of forty-two inches.
  • Walls and fences must be no taller than 42 inches.
    Applies: In the primary front yard of a reverse corner lot.
    § 17.48.130 · code text
    The wall or fence shall be reduced to forty-two inches within the primary front yard, as required in Section 17.48.130(A).
Side and rear yard height
  • Walls and fences can be at most 6 feet tall.
    Applies: On or next to interior side or rear property lines in R-1, R-2 and R-3. Reduced to 42 inches in the required front yard.
    § 17.48.130 · code text
    Walls and fences not in excess of six feet in height are permitted on, or adjacent to, the interior side or rear property lines.
  • Walls and fences can be at most 6 feet tall.
    Applies: On or next to the secondary street frontage line of a reverse corner lot, except in the primary front yard and near driveways.
    § 17.48.130 · code text
    A wall or fence not in excess of six feet in height is permitted on, or adjacent to, the secondary street frontage property line except as follows:
Permit
  • Yes. A conditional use permit is required.
    Applies: For walls and fences within 25 feet of the secondary frontage property line on through lots.
    § 17.48.130 · code text
    Walls and fences a maximum six foot in height may be permitted within twenty-five feet of the secondary frontage property line, with the approval of a conditional use permit pursuant to the provisions of Chapter 17.60.

Sheds, garages and other accessory structures

Sierra Madre code What Sierra Madre's code adds
Maximum height
  • At most 15 feet tall, from finished grade to the top of the ridge.
    Applies: For single-story detached accessory structures of 600 square feet or less, such as gazebos, workshops and sheds.
    § 17.20.060 · code text
    Single-story detached accessory structures, such as gazebos, workshops, storage sheds and similar uses which measure six hundred square feet or less, and with a maximum height of fifteen feet from finished grade to top of ridge as follows:
Size or lot coverage
  • At most 600 square feet.
    Applies: For single-story detached accessory structures using the accessory rules. Larger or 2-story structures must meet main building standards.
    § 17.20.060 · code text
    Single-story detached accessory structures, such as gazebos, workshops, storage sheds and similar uses which measure six hundred square feet or less, and with a maximum height of fifteen feet from finished grade to top of ridge as follows:
  • At most 600 square feet.
    Applies: For single-story detached garages that may sit 3 feet from the side or rear line. Larger garages must meet main building standards.
    § 17.20.060 · code text
    Single-story detached garages, measuring six hundred square feet or less, with a maximum height of fifteen feet as measured from lowest point of adjoining natural or pre-existing grade, or finished grade, whichever is lower, around the perimeter of the garage, to the highest point of the coping of a flat roof or to a point one-third of the height of a pitched or hipped roof, as shown in Diagram B of Section 17.20.040 (height), may be located a minimum of three feet from the side or rear property line if the detached garage is located behind the primary structure.
  • At most 600 square feet.
    Applies: For single-story detached carports open on at least 2 sides, using the reduced setback with a minor conditional use permit.
    § 17.20.060 · code text
    For single-story detached carports, which are open on at least two sides, measuring six hundred square feet or less, and with a maximum height of fifteen feet as follows:
Side and rear setback
  • At least 5 feet from the side and rear property lines.
    Applies: For single-story detached accessory structures of 600 square feet or less, with an administrative design review permit.
    § 17.30.080 · code text
    May be located five feet from the side and/or rear property lines subject to the approval of an administrative design review permit pursuant to Chapter 17.60.
  • At least 3 feet from the side or rear property line.
    Applies: For single-story detached garages of 600 square feet or less located behind the main building.
    § 17.20.060 · code text
    may be located a minimum of three feet from the side or rear property line if the detached garage is located behind the primary structure.
  • At least 3 feet from the side and rear property lines.
    Applies: For single-story detached carports open on at least 2 sides, 600 square feet or less, with a minor conditional use permit.
    § 17.20.060 · code text
    May be located a minimum of three feet from the side and rear property lines subject to the granting of a minor conditional use permit pursuant to the provisions of Section 17.60.055.
  • At least 5 feet from the side and rear property lines.
    Applies: For miscellaneous structures under 120 square feet, with a minor conditional use permit.
    § 17.20.060 · code text
    May be located a minimum of five feet from the side and rear property lines subject to the granting of a minor conditional use permit pursuant to the provisions of Section 17.60.055 (Minor conditional use permits);

Running a business from home

Sierra Madre code What Sierra Madre's code adds
Space used
  • No more than 25% of home building floor area (not the garage) or 400 square feet, whichever is greater.
    Applies: Under ministerial review.
    § 17.85.040 · code text
    That not more than the greater of (i) twenty-five percent of the total floor area of all structures on the property directly associated with the dwelling unit where the home occupation will occur, excluding the garage, or (ii) four hundred square feet will be occupied for the "home occupation."
  • No more than 50% of the floor area of the home's buildings, not counting the garage.
    Applies: Under discretionary review.
    § 17.85.050 · code text
    That not more than fifty percent of the total floor area of all structures on the property directly associated with the dwelling unit where the home occupation will occur, excluding the garage, will be occupied for the "home occupation."
Customer visits
  • None. The business may not create foot or car traffic or affect street or public parking.
    Applies: Under ministerial review.
    § 17.85.040 · code text
    That the home occupation will not generate any pedestrian or vehicular traffic nor impact street parking or public parking facilities.
Permit
  • Ministerial review or discretionary review.
    Applies: Applications meeting all ministerial standards may get ministerial review. Others may qualify for discretionary review.
    § 17.85.040 · code text
    Applications for home occupations may qualify for ministerial review if the application satisfies the following elements:
  • Discretionary review.
    Applies: When the application does not meet all ministerial standards but fits the purpose and intent of the home occupation rules.
    § 17.85.050 · code text
    If an application for a home occupation does not satisfy all of the elements of Section 17.85.040, it may qualify for discretionary review if the applicant can demonstrate that the home occupation conforms to the purpose and intent of the Section 17.85.010 provisions, and the following criteria:
  • A home occupation permit with an annual business license is required.
    Applies: Under ministerial review, no more than 1 such business license per home may be active at a time.
    § 17.85.040 · code text
    That no more than one annual business license issued in connection with a home occupation permit per dwelling unit will be active at any one time.

Lot splits under SB 9

Sierra Madre code What Sierra Madre's code adds
How the lot may be divided
  • 2 lots of about equal area; neither may be smaller than 40% of the original lot.
    Applies: Urban lot split.
    § 16.18.050 · code text
    The two parcels created by an urban lot split must be of approximately equal lot area provided that one parcel shall not be smaller than forty percent of the lot area of the original parcel.
Minimum new lot size
  • At least 1,200 square feet.
    § 16.18.050 · code text
    In no instance shall any resulting parcel be smaller than one thousand two hundred square feet in area.
Standards
  • No more than 2 housing units under the lot split chapter, and no more than 4 under the whole code.
    Applies: Urban lot split.
    § 16.18.050 · code text
    No development may include more than two residential housing units under this chapter and no more than four residential housing units under this code.
  • A new lot's average width may not be less than the original lot's average width.
    Applies: Unless this would prevent 2 units on either new lot or make a unit smaller than 800 square feet.
    § 16.18.050 · code text
    The subdivision shall not result in a new parcel with an average width that is less than the average width of the original parcel, unless this requirement would have the effect of physically precluding the construction of two units on either of the resulting parcels or that would result in a unit size of less than eight hundred square feet.
  • A lot split may divide only 1 existing lot, into no more than 2 new lots.
    § 16.18.050 · code text
    An urban lot split may only subdivide one existing parcel and shall create no more than two new parcels.
  • All lot lines must be contiguous to existing zoning boundaries.
    § 16.18.050 · code text
    All lot lines shall be contiguous to existing zoning boundaries.
  • All new lots must have access to, provide access to, or adjoin the improved public right-of-way.
    § 16.18.050 · code text
    All parcels created pursuant to this chapter shall have access to, provide access to, or adjoin the improved public right-of-way.
  • A lot split may not cut through an existing structure.
    Applies: Unless it will be demolished, or it meets building code safety standards and the line allows separate sale.
    § 16.18.050 · code text
    An urban lot split may not subdivide a parcel in a way that bisects an existing structure, unless the structure will be demolished or the structures meets building code safety standards and subdividing line is sufficient to allow separate conveyance.
  • Only lots in single-family residential zones qualify for urban lot splits.
    Applies: Including the R-1 One-Family Residential, R-C Residential Canyon and H Hillside Management zones.
    § 16.18.020 · code text
    Under Government Code Section 66411.7(a)(3)(A), only parcels located within single-family residential zones are eligible for urban lot splits, including parcels located in the following zones:

RV and boat parking

Sierra Madre code What Sierra Madre's code adds
Where it may be parked
  • Not within 15 feet of the front property line.
    Applies: RVs, street trailers, or vehicles usually stored on trailers that are visible from any public right-of-way; R-C Residential Canyon Zone.
    § 17.30.220 · code text
    No recreational vehicles, trailers intended for use on streets, or any vehicle commonly stored on trailers (including boats and jet skis) that are visible from any public right-of-way may be stored within fifteen feet of the front property line.
  • 1 trailer may be stored on a lot, but not in a required front or side yard.
    Applies: 1 trailer on any lot of record.
    § 17.48.250 · code text
    The storage of one trailer on any lot of record is permissive provided such trailer is not used for living or sleeping purposes while on the premises, is not connected to any sewer or water facility and is not located in any required front or side yard.
Parking on the street
  • Banned on city streets and alleys except loading, unloading, serving a property within 100 feet, or with an overnight permit.
    Applies: Oversized recreational or commercial vehicles.
    § 10.24.310 · code text
    While loading property onto or unloading property from the vehicle;
  • Banned on city streets and alleys except loading, unloading, serving a property within 100 feet, or with an overnight permit.
    Applies: Unattached trailers.
    § 10.24.315 · code text
    While loading property onto or unloading property from the oversized recreational or commercial vehicle;
Living in an RV
  • No; a stored trailer may not be used for living or sleeping or connected to sewer or water.
    Applies: A trailer stored on a lot.
    § 17.48.250 · code text
    The storage of one trailer on any lot of record is permissive provided such trailer is not used for living or sleeping purposes while on the premises, is not connected to any sewer or water facility and is not located in any required front or side yard.

Solar panels and EV chargers

Sierra Madre code What Sierra Madre's code adds
EV charger permit
  • Apply in person, by mail or electronically, with the fees; electronic signatures are accepted.
    Applies: Installing, altering or replacing an EV charging station.
    § 15.62.050 · code text
    The applicant may submit the permit application and associated documentation by personal, mailed, or electronic submittal.
  • Administrative, nondiscretionary review; the building official approves when the application meets health and safety requirements and the checklist.
    Applies: EV charging stations with no specific, adverse impacts on public health or safety.
    § 15.62.060 · code text
    The director shall adopt an administrative, nondiscretionary review process to expedite approval of permit applications for electric vehicle charging stations.
Solar permit process
  • Only 1 inspection, scheduled within 2 business days of a request.
    Applies: Small residential rooftop solar systems eligible for expedited review.
    § 15.38.080 · code text
    Only one inspection shall be required and performed by the building department for small residential rooftop solar energy systems eligible for expedited review. Such an inspection will be scheduled within two business days of a request for such an inspection.
Review time
  • 3 business days.
    Applies: After the building department finds the application complete.
    § 15.38.080 · code text
    Upon the building department's determination that the application for a small residential rooftop solar energy system permit is complete, the building department shall issue a building permit or other nondiscretionary permit within three business days.

Tree removal

Sierra Madre code What Sierra Madre's code adds
Permit to remove
  • Yes, a permit is required.
    Applies: Protected trees affected by a small home lot development permit.
    § 17.58.070 · code text
    Prior to the removal or substantial trimming of any protected tree, the applicant must obtain a permit and pay all accompanying fees.
  • Yes, a permit is required.
    Applies: Protected trees in the R-C Residential Canyon Zone.
    § 17.30.250 · code text
    No protected tree shall be removed or substantially trimmed, except as authorized by Chapter 12.20 (Tree Preservation and Protection).

Swimming pools

Sierra Madre code What Sierra Madre's code adds
Barrier height
  • A solid fence or wall 6 feet high (on slopes, up to 8 inches above or below).
    Applies: R-1 pools, spas or equipment next to a street or alley, without a conditional use permit; must not be visible from the street.
    § 17.20.065 · code text
    Where the facility is enclosed by a solid fence or wall of six feet in height (Note: On sloping terrain, the solid fence or wall may deviate a maximum eight inches above or below the six-foot height).
Permit
  • Yes, a permit is required.
    Applies: Installing, altering or repairing a pool, spa or hot tub system or any part of it.
    § 15.32.040 · code text
    Every applicant for a permit to install, alter, or repair a swimming pool, spa or hot tub system or part thereof, shall state in writing on the application form provided for that purpose, the character of work proposed to be done
Setback from property lines
  • At least 5 feet from the property line.
    Applies: R-1 pools, spas or equipment next to a street or alley, enclosed by a 6-foot solid fence or wall.
    § 17.20.065 · code text
    In such case, the facility shall be located no closer than five feet to the property line.
  • At least 5 feet.
    Applies: Side or rear property lines, R-1 zone.
    § 17.20.065 · code text
    B. Side or Rear Property Lines. Five feet from the side or rear property line.

Pets, chickens and bees

Sierra Madre code What Sierra Madre's code adds
Bees
  • Allowed, but no hive within 200 feet of any home other than the beekeeper's.
    § 6.08.040 · code text
    It is unlawful for any person, firm or corporation to keep to maintain or suffer or permit to be kept or maintained, upon premises owned or controlled by him/her or it in the city, any hive of bees within two hundred feet of any dwelling house other than that occupied by the owner or person in control of such bees.
Chickens
  • Up to 24 of any one kind or mix of fowl, rabbits and similar small animals.
    Applies: Any premises; kept at least 50 feet from others' homes and 100 feet from any street.
    § 6.08.010 · code text
    It is declared to be a nuisance and it is unlawful for any person, firm or corporation to keep on any premises owned or controlled by him/her or it more than twenty-four in number of any one kind or combination of:
Coop setback
  • At least 50 feet from any home not your own, and 100 feet from any street.
    Applies: Fowl, rabbits and similar small animals.
    § 6.08.010 · code text
    or to keep the fowl or hares or rabbits or other small animals within one hundred feet of any street.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

How tall can a fence be in Sierra Madre?

R-1, R-2 and R-3 zones: fences at most 42 inches in the required front yard, 6 feet on interior side or rear lines.

How big can a shed or accessory building be in Sierra Madre?

Single-story detached accessory structures of 600 sq ft or less are limited to 15 feet; larger or 2-story ones follow main-building standards.

Can I run a business from my home in Sierra Madre?

Under ministerial review, a home business may use 25% of the home's floor area or 400 sq ft, whichever is greater.

Can I split my lot under SB 9 in Sierra Madre?

Sierra Madre's code: 2 lots of about equal area; neither may be smaller than 40% of the original lot. (Urban lot split.) (§ 16.18.050); At least 1,200 square feet. (§ 16.18.050).

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

Sierra Madre's code: Not within 15 feet of the front property line. (RVs, street trailers, or vehicles usually stored on trailers that are visible from any public right-of-way; R-C Residential Canyon Zone.) (§ 17.30.220); 1 trailer may be stored on a lot, but not in a required front or side yard. (1 trailer on any lot of record.) (§ 17.48.250).

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

Sierra Madre's code: Apply in person, by mail or electronically, with the fees; electronic signatures are accepted. (Installing, altering or replacing an EV charging station.) (§ 15.62.050); Administrative, nondiscretionary review; the building official approves when the application meets health and safety requirements and the checklist. (EV charging stations with no specific, adverse impacts on public health or safety.) (§ 15.62.060).

Do I need a permit to remove a tree in Sierra Madre?

Sierra Madre's code: Yes, a permit is required. (Protected trees affected by a small home lot development permit.) (§ 17.58.070); Yes, a permit is required. (Protected trees in the R-C Residential Canyon Zone.) (§ 17.30.250).

What are the pool fence and setback rules in Sierra Madre?

Sierra Madre's code: A solid fence or wall 6 feet high (on slopes, up to 8 inches above or below). (R-1 pools, spas or equipment next to a street or alley, without a conditional use permit; must not be visible from the street.) (§ 17.20.065); Yes, a permit is required. (Installing, altering or repairing a pool, spa or hot tub system or any part of it.) (§ 15.32.040).

Can I keep chickens or bees at my home in Sierra Madre?

Sierra Madre's code: Allowed, but no hive within 200 feet of any home other than the beekeeper's. (§ 6.08.040); Up to 24 of any one kind or mix of fowl, rabbits and similar small animals. (Any premises; kept at least 50 feet from others' homes and 100 feet from any street.) (§ 6.08.010).

General information, not legal advice.

Ask about a specific Sierra Madre property

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

Ask your question

More on Sierra Madre