Pittsburg · Land use · Single-family home
Where is a single-family home allowed in Pittsburg?
In Pittsburg, a single-family home is allowed in 10 base zones (RR, RS-40, RS-10, RS-6, RS-5 and 5 more, 1 with a condition), needs an use permit (planning commission) in 1 (RHD, it with a condition) and not allowed in 1 (Pittsburg use tables, read October 2026).
Key points
- Allowed: RR, RS-40, RS-10, RS-6, RS-5, RS-4, RM, RMD and 2 more
- Needs a permit: RHD
- Not allowed: RH
Find your lot's zone on the city zoning map, then read its row. Every status below was read from the Pittsburg Municipal Code use tables (read October 2026). Base zones only. General information, not legal advice — check with the city before you apply.
Zones where a single-family home can go
Pittsburg's code calls this use “Single-family residential > Detached”. 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 |
|---|---|---|
| RR | Allowed | § 18.50.010 |
| RS-40 | Allowed | § 18.50.010 |
| RS-10 | Allowed | § 18.50.010 |
| RS-6 | Allowed | § 18.50.010 |
| RS-5 | Allowed | § 18.50.010 |
| RS-4 | Allowed | § 18.50.010 |
| RM | Allowed | § 18.50.010 |
| RMD | Allowed | § 18.50.010 |
| OS Open Space District | Allowed — see note Note A: Minimum lot area is 20 acres per dwelling unit. | § 18.58.020 |
| HPD Hillside Planned District | Allowed | § 18.56.040 |
| RHD | Needs an use permit (planning commission) — see note Note L-102: Each lot existing as of June 20, 2007, shall be allowed one single-family residence as a conditionally permitted use, except that for an existing single-family residence for which a building permit was issued prior to June 20, 2007, plans for proposed building additions shall be reviewed by the city planner. Prior to approving the use permit, the commission must make the findings specified in PMC § 18.16.040 and must find that the site is not of adequate size to allow construction of apartment or condominium residences in accordance with the regulations summarized in Schedule 18.50.105. Development standards applicable to new construction of or addition to a single-family residence shall be those of the RMD district. | § 18.50.010 |
Zones where it is not allowed
RH.
What else applies
- Attached single-family is a separate row (P in RS-5, RS-4, RM, RMD, RH, RHD).
- State law: State law lets most single-family lots add an ADU and a JADU (California ADU law) and a second home or a lot split under SB 9 (Gov. Code § 65852.21).
- Not covered here: PD and S: no use table (S9, S10); HPD: permitted uses are a list, not a table (S6); only explicit list items used; Specific plan areas (Railroad Avenue) not in text. Overlay zones and specific plans can also change the answer.
Other uses in Pittsburg
Who this affects
Frequently asked questions
Can I have a single-family home in the RHD zone in Pittsburg?
Only with an use permit (planning commission). Pittsburg's use table lists it that way in RHD (§ 18.50.010). The code adds a condition: “Each lot existing as of June 20, 2007, shall be allowed one single-family residence as a conditionally permitted use, except that for an existing single-family residence for which a building permit was issued prior…”
Can I have a single-family home in the RH zone in Pittsburg?
No. Pittsburg's use table does not allow it in RH (§ 18.50.010).
Can I have a single-family home in the RR zone in Pittsburg?
Yes. Pittsburg's use table lists it as allowed in RR (§ 18.50.010).
General information, not legal advice.
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