Suisun City · Land use · Apartment building
Where is an apartment building (multifamily housing) allowed in Suisun City?
In Suisun City, an apartment building (multifamily housing) is allowed in 4 base zones (RH1, RH2, RMU and CMU), needs a conditional use permit in 1 (RM) and not allowed in 4 (Suisun City use tables, read October 2026).
Key points
- Allowed: RH1, RH2, RMU and CMU
- Needs a permit: RM
- Not allowed: RL, CR, CSF and O
Find your lot's zone on the city zoning map, then read its row. Every status below was read from the Suisun City 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
Suisun City's code calls this use “Dwelling, multi-family”. 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 |
|---|---|---|
| RH1 | Allowed | § 18.08.070 |
| RH2 | Allowed | § 18.08.070 |
| RMU | Allowed | § 18.08.070 |
| CMU Commercial Mixed-Use | Allowed | § 18.20.070 |
| RM | Needs a conditional use permit | § 18.08.070 |
Zones where it is not allowed
What else applies
- Standards for this use: § 18.30.120 (special use section named in the table; text not in packet).
- 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: DMU (Downtown Mixed-Use) and MSMU (Main Street Mixed-Use): waterfront specific plan zones, use tables not in the text (S8-S10 only point to the specific plan); Zone names for RL, RM, RH1, RH2, RMU, CR, O, APS, OS, PQP are not stated in the packet. Overlay zones and specific plans can also change the answer.
Other uses in Suisun City
Who this affects
Frequently asked questions
Can I have an apartment building (multifamily housing) in the RM zone in Suisun City?
Only with a conditional use permit. Suisun City's use table lists it that way in RM (§ 18.08.070).
Can I have an apartment building (multifamily housing) in the RL zone in Suisun City?
No. Suisun City's use table does not allow it in RL (§ 18.08.070).
Can I have an apartment building (multifamily housing) in the RH1 zone in Suisun City?
Yes. Suisun City's use table lists it as allowed in RH1 (§ 18.08.070).
General information, not legal advice.
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