Orange County · Land use · Apartment building
Where is an apartment building (multifamily housing) allowed in Orange County?
In Orange County, an apartment building (multifamily housing) is needs a permitted for 4 or fewer dwelling units; site development permit for 5 or more; use permit for residential condominium, stock cooperative and community apartment projects (note 4) in 3 (R2, R3 and R4, all with a condition) (Orange County use tables, read October 2026).
Key points
- Needs a permit: R2, R3 and R4
Find your lot's zone on the city zoning map, then read its row. Every status below was read from the Orange County Municipal Code use tables (read October 2026). Base zones only. General information, not legal advice — check with the city before you apply.
Zones where an apartment building (multifamily housing) can go
Orange County's code calls this use “Multifamily Dwelling”. Each row links to the use table it comes from. A zone marked “see note” has a condition in the code, for example upper floors only or a larger lot.
| Zone | Status | Code |
|---|---|---|
| R2 | Needs a permitted for 4 or fewer dwelling units; site development permit for 5 or more; use permit for residential condominium, stock cooperative and community apartment projects (note 4) — see note Note 4: Multifamily projects of four (4) or fewer dwelling units are permitted. Multifamily projects of five (5) or more dwelling units are permitted subject to a Site Development Permit. Residential condominium, stock cooperative, and community apartment projects are permitted subject to a Use Permit. Note 9: Residential development shall comply with the minimum density of thirty (30) dwelling units per acre. Note 10: Affordable Housing development subject to an Affordable Housing Permit per section 7-9-124.3 . | § 7-9-32.2 |
| R3 | Needs a permitted for 4 or fewer dwelling units; site development permit for 5 or more; use permit for residential condominium, stock cooperative and community apartment projects (note 4) — see note Note 4: Multifamily projects of four (4) or fewer dwelling units are permitted. Multifamily projects of five (5) or more dwelling units are permitted subject to a Site Development Permit. Residential condominium, stock cooperative, and community apartment projects are permitted subject to a Use Permit. Note 9: Residential development shall comply with the minimum density of thirty (30) dwelling units per acre. Note 10: Affordable Housing development subject to an Affordable Housing Permit per section 7-9-124.3 . | § 7-9-32.2 |
| R4 | Needs a permitted for 4 or fewer dwelling units; site development permit for 5 or more; use permit for residential condominium, stock cooperative and community apartment projects (note 4) — see note Note 4: Multifamily projects of four (4) or fewer dwelling units are permitted. Multifamily projects of five (5) or more dwelling units are permitted subject to a Site Development Permit. Residential condominium, stock cooperative, and community apartment projects are permitted subject to a Use Permit. Note 9: Residential development shall comply with the minimum density of thirty (30) dwelling units per acre. Note 10: Affordable Housing development subject to an Affordable Housing Permit per section 7-9-124.3 . | § 7-9-32.2 |
What else applies
- Standards for this use: Sec. 7-9-134.2 Multifamily standards (the table points to it).
- Multifamily Dwelling - Affordable Only is P in C1, C2, CN and M1 (S5, S6; Affordable Housing Permit, 7-9-124.3). M1 plain Multifamily Dwelling is "-" (limited to 4 units). Planned (Unit) Development UP; Senior Citizen Housing Development SDP/UP. A separate mixed-use rule (7-9-36.2) applies in a mixed-use district.
- State law: State laws such as AB 2011, SB 6 and the density bonus law can allow homes on some commercial sites, or more units than this table shows.
- Not covered here: Zone names are not stated in the packet (only the group titles: Agriculture and Open Space, Single-Family Residential, Multifamily Residential, Commercial, Employment); Single-family district table (S3) is missing the Single-Family Dwelling, Duplex, Supportive/Transitional Housing and Short-Term Rentals rows in the stored text; SG (sand and gravel), the mixed-use district (7-9-36) and the FP-1/FP-2/FP-3 flood plain overlays (S7-S13) have no use table in the packet. Overlay zones and specific plans can also change the answer.
Other uses in Orange County
Who this affects
Frequently asked questions
Can I have an apartment building (multifamily housing) in the R2 zone in Orange County?
Only with a permitted for 4 or fewer dwelling units; site development permit for 5 or more; use permit for residential condominium, stock cooperative and community apartment projects (note 4). Orange County's use table lists it that way in R2 (§ 7-9-32.2). The code adds a condition: “Multifamily projects of four (4) or fewer dwelling units are permitted. Multifamily projects of five (5) or more dwelling units are permitted subject to a Site Development Permit. Residential condominium, stock…”
General information, not legal advice.
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