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Yolo County · Building on your lot

Affordable units in new housing (inclusionary) in Yolo County

Yolo County's own rules on affordable units in new housing (inclusionary), with the code text for every value.

Each rule below links to the section of the Yolo County Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Yolo County's code says

Yolo County code What Yolo County's code adds
Exemptions
  • Projects of fewer than 10 units use the in-lieu fee option instead of the for-sale affordable housing requirement.
    Applies: Applies to residential for-sale developments.
    § 8-8.106 · code text
    Projects less than ten (10) units shall be subject to the in-lieu fee option provided in this ordinance.
  • Projects of fewer than 7 units use the in-lieu fee option instead of the multifamily rental affordable housing requirement.
    Applies: Applies to multifamily rental developments.
    § 8-8.107 · code text
    Projects of less than seven (7) units shall be subject to the in-lieu fee option provided by this ordinance.
Fee instead of units
  • Fee is a percentage of the estimated cost to build all required inclusionary units.
    Applies: Estimated cost is average unit square footage times average construction cost per square foot, times the number of required units.
    § 8-8.115 · code text
    the in-lieu fee shall equal a percentage of the estimated cost to construct all the Inclusionary units that would be otherwise required for each residential development
  • The fee may be reduced by an amount not to exceed 50%.
    Applies: Depends on the availability of subsidy funding.
    § 8-8.115 · code text
    The fee may be reduced in an amount not to exceed fifty percent (50%), depending upon the availability of subsidy funding.
Projects it applies to
  • Inclusionary rules apply to for-sale developments of 10 or more units.
    Applies: Applies to residential for-sale developments.
    § 8-8.106 · code text
    A developer of residential for-sale developments of ten (10) or more units shall provide in each development
  • Inclusionary rules apply to rental developments of 20 or more units.
    Applies: Applies to multifamily rental developments.
    § 8-8.107 · code text
    A developer of multifamily rental developments containing twenty (20) or more units shall provide at least twenty-five percent (25%) of the units affordable to very low-income households
  • Between 7 and 19 units.
    Applies: Applies to multifamily rental developments subject to the 15%/10% requirement.
    § 8-8.107 · code text
    A developer of multifamily rental developments containing between seven (7) and nineteen (19) units shall provide fifteen percent (15%) of the units to very low-income households and ten percent (10%) to low-income households.
Share of affordable units
  • 20% of units must be affordable.
    Applies: Applies to for-sale developments of 10 or more units; 50 percent of required affordable units for low-income households and 50 percent for moderate-income households.
    § 8-8.106 · code text
    A developer of residential for-sale developments of ten (10) or more units shall provide in each development, twenty percent (20%) of the units for low and moderate income households as follows: Fifty percent (50%) of the required affordable units shall be available at affordable sales prices to low-income households.
  • 25% of units must be affordable to very low-income households.
    Applies: Applies to multifamily rental developments of 20 or more units.
    § 8-8.107 · code text
    A developer of multifamily rental developments containing twenty (20) or more units shall provide at least twenty-five percent (25%) of the units affordable to very low-income households
  • 15% of units must be for very low-income households.
    Applies: Applies to multifamily rental developments of between 7 and 19 units.
    § 8-8.107 · code text
    A developer of multifamily rental developments containing between seven (7) and nineteen (19) units shall provide fifteen percent (15%) of the units to very low-income households
  • 10% of units must be for low-income households.
    Applies: Applies to multifamily rental developments of between 7 and 19 units.
    § 8-8.107 · code text
    and ten percent (10%) to low-income households.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Does Yolo County require affordable units in new housing?

Yolo County's code: Projects of fewer than 10 units use the in-lieu fee option instead of the for-sale affordable housing requirement. (Applies to residential for-sale developments.) (§ 8-8.106); Projects of fewer than 7 units use the in-lieu fee option instead of the multifamily rental affordable housing requirement. (Applies to multifamily rental developments.) (§ 8-8.107).

General information, not legal advice.

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