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Los Gatos · Building on your lot

Building on your lot in Los Gatos

Los Gatos limits fence height near streets and intersections, limits accessory structures by height, stories and lot coverage, and protects trees by trunk size. It also has its own SB 9 lot-split standards and a separate floodplain chapter.

Key points

  • Fences: Fences: 3 ft at most in required front or side yards abutting a street and in traffic view areas; Town Engineer may allow more.
  • Accessory structures: Accessory structures in residential zones are limited to 15 feet and 1 story, and may cover no more than 15% of the lot.
  • Home businesses: Home businesses need a home occupation permit, allow no more than 1 customer on site at a time, and no employees outside the family.
  • Protected trees: Protected trees on developed residential property: any trunk 12 inches or more (multi-trunk 18 total); on hillside lots, any trunk 8 inches or more.
  • Pools: Pool enclosures: at least 5 feet high, openings no more than 4 inches, gates self-closing and self-latching.
  • Construction hours: Permitted construction is allowed 8:00 a.m. to 6:00 p.m. weekdays and 9:00 a.m. to 4:00 p.m. Saturdays, and not on Sundays or legal holidays.

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

Fences and walls

Los Gatos code Fences: 3 ft at most in required front or side yards abutting a street and in traffic view areas; Town Engineer may allow more.

All 4 Los Gatos rules on fences and walls, with the code text →

Sheds, garages and other accessory structures

Los Gatos code Accessory structures in residential zones are limited to 15 feet and 1 story, and may cover no more than 15% of the lot.

All 8 Los Gatos rules on sheds, garages and other accessory structures, with the code text →

Running a business from home

Los Gatos code What Los Gatos's code adds
Customer visits
  • No more than 1 customer on the property at any time.
    § 29.10.09025 · code text
    The home occupation shall not involve the presence of more than one (1) customer on the premises at any time.
Employees
  • No employees other than members of the family who live there.
    § 29.10.09025 · code text
    There shall be no employees other than members of the resident family.
Permit
  • A home occupation permit is required.
    § 29.10.09025 · code text
    No premises shall be used for a home occupation unless the user has a home occupation permit.
Businesses not allowed
  • Retail sales of firearms, ammunition and/or destructive devices; medical offices/uses; contractor/contracting services with specified on-site crews, storage, or vehicles/equipment; on-site dining for cottage food operations; food catering, except compliant cottage food operations
    § 29.10.09025 · code text
    The following uses are prohibited:

Lot splits under SB 9

Los Gatos code New lots must be about equal in area; neither can be smaller than 40% of the original lot. At most 1,200 square feet.

All 18 Los Gatos rules on lot splits under SB 9, with the code text →

Solar panels and EV chargers

Los Gatos code What Los Gatos's code adds
Solar permit process
  • Administrative permit for a complete application that meets the town checklist and standard plan.
    Applies: Small residential rooftop solar energy systems.
    § 29.20.230 · code text
    The Building Division shall issue a building permit, the issuance of which is nondiscretionary, on the same day for over-the-counter applications
Review time
  • The permit is issued the same day.
    Applies: Complete over-the-counter applications for small residential rooftop solar that meet the approved checklist and standard plan.
    § 29.20.230 · code text
    The Building Division shall issue a building permit, the issuance of which is nondiscretionary, on the same day for over-the-counter applications
  • The permit is issued within 1 to 3 business days.
    Applies: Complete electronic applications for small residential rooftop solar that meet the approved checklist and standard plan.
    § 29.20.230 · code text
    or within one (1) to three (3) business days for electronic applications upon receipt of a complete application that meets the requirements of the approved checklist and standard plan.

Tree removal

Los Gatos code Protected trees on developed residential property: any trunk 12 inches or more (multi-trunk 18 total); on hillside lots, any trunk 8 inches or more.

All 19 Los Gatos rules on tree removal, with the code text →

Swimming pools

Los Gatos code Pool enclosures: at least 5 feet high, openings no more than 4 inches, gates self-closing and self-latching.

All 10 Los Gatos rules on swimming pools, with the code text →

Pets, chickens and bees

Grading and erosion control

Los Gatos code What Los Gatos's code adds
Steepest cut or fill slope
  • Permanent cut slopes may be no steeper than 2 horizontal to 1 vertical.
    Applies: Permanent excavation cut surfaces.
    § 12.30.015 · code text
    The slope of cut surfaces of permanent excavations shall not be steeper than two (2) horizontal to one (1) vertical
  • Permanent fill slopes may be no steeper than 2 horizontal to 1 vertical.
    Applies: Permanent fills.
    § 12.30.035 · code text
    The slope of permanent fills shall not be steeper than two (2) horizontal to one (1) vertical
Grading without a permit
  • Exempt: digging inside the footprint of a permitted structure; digs under 2 feet deep with under 50 cubic yards moved.
    Applies: Small digs must also clear under 1,000 square feet of vegetation and create no unstable or erodible slopes; the grading chapter still applies.
    § 12.20.015 · code text
    (8) Routine cemetery excavations and fills.

Building on a hillside

Los Gatos code What Los Gatos's code adds
Height on hillside lots
  • Main buildings may be no taller than 30 feet.
    Applies: Principal buildings in an HR zone.
    § 29.40.275 · code text
    The maximum height of any principal building in an HR zone is thirty (30) feet.
When hillside rules apply
  • Applies where the average slope is over 50 percent.
    Applies: HR zone subdivisions: fixed minimum land per home (5 acres in HR-1, 10 in HR-2½, 40 in HR-5, 160 in HR-20).
    § 29.40.250 · code text
    When the average slope is in excess of fifty (50) percent, the minimum land area for each dwelling unit is as follows:

Noise and construction hours

Los Gatos code Permitted construction is allowed 8:00 a.m. to 6:00 p.m. weekdays and 9:00 a.m. to 4:00 p.m. Saturdays, and not on Sundays or legal holidays.

All 4 Los Gatos rules on noise and construction hours, with the code text →

Outdoor lighting

Los Gatos code What Los Gatos's code adds
Light at the property line
  • No direct or reflected glare may be visible from outside any property line.
    § 29.10.09035 · code text
    No direct or reflected glare, such as that produced by floodlight, high temperature processes such as combustion or welding, or other processes, visible from outside any boundary line of property on which the glare is produced, is permitted.
Shielding
  • Lights should have shields so no bulb shows and light points to the ground, not onto neighboring parcels.
    Applies: Permanent outdoor light fixtures at homes; the code says 'should'.
    § 29.10.09015 · code text
    All permanent exterior light fixtures should utilize shields so that no bulb is visible and to ensure that light is directed to the ground surface and does not spill light onto neighboring parcels or produce glare when seen from nearby homes.

Family child care homes

CA state law California law
Zoning
A small or large family child care home is a residential use and a use by right under all local ordinances, including zoning
Business license or fee
A city or county may not charge a business license, fee or tax to run a family child care home
Local rules
Local limits on height, setbacks, lot size, health and safety must be the same as for every other home in the same zone
Small home
Up to eight children, counting the provider's own children under 10 who live there
Large home
7 to 14 children, counting the provider's own children under 10 who live there

Parking spaces required for homes

Los Gatos code What Los Gatos's code adds
Spaces per apartment or condo
  • One and one-half (1½) times the number of living units
    Applies: areas outside the downtown; multiple-unit dwellings in all zones and two-family dwellings in the R-1D zone
    § 29.10.150 · code text
    One and one-half (1½) times the number of living units in such dwellings
  • 1 parking space per dwelling unit.
    Applies: Multiple-unit and mixed-use projects with multiple units, within one-half mile walking distance of public transportation.
    § 29.10.150 · code text
    shall provide one (1) parking space per dwelling unit.
Spaces for a single-family home
  • 2 parking spaces for each living unit.
    Applies: Outside the downtown; single-family dwellings, residential condominiums and two-family dwellings.
    § 29.10.150 · code text
    Single-family, residential condominiums and two-family dwellings. Two (2) parking spaces for each living unit.

Home alarm permits and false alarms

Los Gatos code What Los Gatos's code adds
Alarm permit
  • An alarm permit is required.
    § 14.50.240 · code text
    No residential or commercial building owner or operator shall operate or cause to be operated any alarm system within the Town of Los Gatos without a permit.
  • Permit and renewal fees are set by council resolution.
    § 14.50.240 · code text
    Such permit and renewal fees shall be established by council resolution.

Historic homes

Los Gatos code Planning approval is required. Planning approval is required.

All 6 Los Gatos rules on historic homes, with the code text →

Other Los Gatos rules on this

Los Gatos'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

Can I run a business from my home in Los Gatos?

Home businesses need a home occupation permit, allow no more than 1 customer on site at a time, and no employees outside the family.

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

Los Gatos's code: Administrative permit for a complete application that meets the town checklist and standard plan. (Small residential rooftop solar energy systems.) (§ 29.20.230); The permit is issued the same day. (Complete over-the-counter applications for small residential rooftop solar that meet the approved checklist and standard plan.) (§ 29.20.230).

What are the grading rules in Los Gatos?

Los Gatos's code: Exempt: digging inside the footprint of a permitted structure; digs under 2 feet deep with under 50 cubic yards moved. (Small digs must also clear under 1,000 square feet of vegetation and create no unstable or erodible slopes; the grading chapter still applies.) (§ 12.20.015); Permanent cut slopes may be no steeper than 2 horizontal to 1 vertical. (Permanent excavation cut surfaces.) (§ 12.30.015).

What extra rules apply to a hillside lot in Los Gatos?

Los Gatos's code: Applies where the average slope is over 50 percent. (HR zone subdivisions: fixed minimum land per home (5 acres in HR-1, 10 in HR-2½, 40 in HR-5, 160 in HR-20).) (§ 29.40.250); Main buildings may be no taller than 30 feet. (Principal buildings in an HR zone.) (§ 29.40.275).

What are the outdoor lighting rules for homes in Los Gatos?

Los Gatos's code: Lights should have shields so no bulb shows and light points to the ground, not onto neighboring parcels. (Permanent outdoor light fixtures at homes; the code says 'should'.) (§ 29.10.09015); No direct or reflected glare may be visible from outside any property line. (§ 29.10.09035).

Can I run a family child care home in Los Gatos?

California law sets this for every city, including Los Gatos: Zoning: A small or large family child care home is a residential use and a use by right under all local ordinances, including zoning (Health & Safety Code § 1597.45(a)); Business license or fee: A city or county may not charge a business license, fee or tax to run a family child care home (Health & Safety Code § 1597.45(b)); Local rules: Local limits on height, setbacks, lot size, health and safety must be the same as for every other home in the same zone (Health & Safety Code § 1597.45(e)); Small home: Up to eight children, counting the provider's own children under 10 who live there (Health & Safety Code § 1596.78(c)); Large home: 7 to 14 children, counting the provider's own children under 10 who live there (Health & Safety Code § 1596.78(b)).

How many parking spaces does a home need in Los Gatos?

Los Gatos's code: One and one-half (1½) times the number of living units (areas outside the downtown; multiple-unit dwellings in all zones and two-family dwellings in the R-1D zone) (§ 29.10.150); 1 parking space per dwelling unit. (Multiple-unit and mixed-use projects with multiple units, within one-half mile walking distance of public transportation.) (§ 29.10.150).

Do I need a permit for a home alarm in Los Gatos?

Los Gatos's code: An alarm permit is required. (§ 14.50.240); Permit and renewal fees are set by council resolution. (§ 14.50.240).

General information, not legal advice.

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