San Joaquin County · Land use · Apartment building
Where is an apartment building (multifamily housing) allowed in San Joaquin County?
In San Joaquin County, an apartment building (multifamily housing) is needs a permit in 13 (R-M, R-MH, R-H, C-L, C-N and 8 more, 9 with a condition) and not allowed in 14 (San Joaquin County use tables, read October 2026).
Key points
- Needs a permit: R-M, R-MH, R-H, C-L, C-N, C-C, C-O, C-G and 5 more
- Not allowed: R-R, R-VL, R-L, I-W, I-P, I-L, I-G, I-T and 6 more
Find your lot's zone on the city zoning map, then read its row. Every status below was read from the San Joaquin 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
San Joaquin County's code calls this use “Multi-Unit Residential”. 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 |
|---|---|---|
| R-M | Needs an administrative use permit (zoning administrator) | § 9-200.020 |
| R-MH | Needs an administrative use permit (zoning administrator) | § 9-200.020 |
| R-H | Needs a zoning compliance review | § 9-200.020 |
| C-L | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-N | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-C | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-O | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-G | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-FS | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-RS | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-R | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| C-X | Needs a zoning compliance review — see note Note (e)(5): Residential Development. In all Commercial zones, Multi-Unit Residential is allowed above the ground level with a Zoning Compliance Review. | § 9-201.020 |
| M-X | Needs an administrative use permit (zoning administrator) | § 9-204.020 |
Zones where it is not allowed
What else applies
- No unit-count split in the row ('Bungalow Court' is a separate P row in R zones). Commercial-zone cells apply only above the ground level (note (e)(5)).
- 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: Mountain House Development Title tables (S8-S12, Appendix 1; separate community zoning that REUSES zone codes such as R-VL, P-F, M-X). Cells from them were removed; a county page must not mix them in.; Planned Development zone (S7, 9-303.040): uses are set case by case, no table; Zone names (chapter intros not in packet); Definitions in Chapters 9-900/9-901 for 'Small', 'Large', 'School'. Overlay zones and specific plans can also change the answer.
Other uses in San Joaquin County
Who this affects
Frequently asked questions
Can I have an apartment building (multifamily housing) in the R-M zone in San Joaquin County?
Only with an administrative use permit (zoning administrator). San Joaquin County's use table lists it that way in R-M (§ 9-200.020).
Can I have an apartment building (multifamily housing) in the R-R zone in San Joaquin County?
No. San Joaquin County's use table does not allow it in R-R (§ 9-200.020).
General information, not legal advice.
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