Rancho Cordova · Land use · Duplex
Where is a duplex allowed in Rancho Cordova?
In Rancho Cordova, a duplex is allowed in 12 base zones (RD-10, RD-15, RD-20, RD-25, RD-30 and 7 more, 6 with a condition), needs an administrative use permit in 4 (RD-4, RD-5, RD-6 and RD-7, all with a condition) and not allowed in 9 (Rancho Cordova use tables, read October 2026).
Key points
- Allowed: RD-10, RD-15, RD-20, RD-25, RD-30, MDR, RMU, CMU and 4 more
- Needs a permit: RD-4, RD-5, RD-6 and RD-7
- Not allowed: RR, ER, RD-1, RD-2, RD-3, HDR, RMH, OIMU and 1 more
Find your lot's zone on the city zoning map, then read its row. Every status below was read from the Rancho Cordova 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 duplex can go
Rancho Cordova's code calls this use “Dwelling, Two-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 |
|---|---|---|
| RD-10 | Allowed | § 23.310.030 |
| RD-15 | Allowed | § 23.310.030 |
| RD-20 | Allowed | § 23.310.030 |
| RD-25 | Allowed | § 23.310.030 |
| RD-30 | Allowed | § 23.310.030 |
| MDR | Allowed | § 23.310.030 |
| RMU | Allowed — see note Note 1: See the density restrictions in the underlying zoning district. | § 23.313.030 |
| CMU | Allowed — see note Note 1: See the density restrictions in the underlying zoning district. Note 2: This use is permitted or permitted with a use permit as specified only in conjunction with the predominant use of the mixed-use district. In other words, this use is only allowed as part of an integrated development and not as a standalone use. Other uses in the table are allowed as standalone uses. | § 23.313.030 |
| OPMU | Allowed — see note Note 1: See the density restrictions in the underlying zoning district. Note 2: This use is permitted or permitted with a use permit as specified only in conjunction with the predominant use of the mixed-use district. In other words, this use is only allowed as part of an integrated development and not as a standalone use. Other uses in the table are allowed as standalone uses. | § 23.313.030 |
| VC | Allowed — see note Note 1: See the density restrictions in the underlying zoning district. | § 23.313.030 |
| LTC | Allowed — see note Note 1: See the density restrictions in the underlying zoning district. | § 23.313.030 |
| RTC | Allowed — see note Note 1: See the density restrictions in the underlying zoning district. | § 23.313.030 |
| RD-4 | Needs an administrative use permit — see note Note 1: Duplexes/halfplexes are permitted (P) on corner lots by right. On interior lots, an administrative use permit (AUP) is required. In such instances, duplexes/halfplexes are exempt from the density requirements of the zoning district; provided, that the overall neighborhood or subdivision has an average density within the allowable range. | § 23.310.030 |
| RD-5 | Needs an administrative use permit — see note Note 1: Duplexes/halfplexes are permitted (P) on corner lots by right. On interior lots, an administrative use permit (AUP) is required. In such instances, duplexes/halfplexes are exempt from the density requirements of the zoning district; provided, that the overall neighborhood or subdivision has an average density within the allowable range. | § 23.310.030 |
| RD-6 | Needs an administrative use permit — see note Note 1: Duplexes/halfplexes are permitted (P) on corner lots by right. On interior lots, an administrative use permit (AUP) is required. In such instances, duplexes/halfplexes are exempt from the density requirements of the zoning district; provided, that the overall neighborhood or subdivision has an average density within the allowable range. | § 23.310.030 |
| RD-7 | Needs an administrative use permit — see note Note 1: Duplexes/halfplexes are permitted (P) on corner lots by right. On interior lots, an administrative use permit (AUP) is required. In such instances, duplexes/halfplexes are exempt from the density requirements of the zoning district; provided, that the overall neighborhood or subdivision has an average density within the allowable range. | § 23.310.030 |
Zones where it is not allowed
What else applies
- Note 1 (residential table): duplexes/halfplexes are P on corner lots and AUP on interior lots in RD-4 to RD-7.
- State law: SB 9 (Gov. Code § 65852.21) allows two homes on most single-family lots with a ministerial permit, also where this table says no.
- Not covered here: Zone names are not stated in the packet text (Article 3 is repealed in the stored text). AUP: an administrative use permit may only be used for CEQA-exempt projects; otherwise a conditional use permit is required (S2 B). Special/overlay districts (specific plans, planned developments) have no table in the text.. Overlay zones and specific plans can also change the answer.
Other uses in Rancho Cordova
Who this affects
Frequently asked questions
Can I have a duplex in the RD-4 zone in Rancho Cordova?
Only with an administrative use permit. Rancho Cordova's use table lists it that way in RD-4 (§ 23.310.030). The code adds a condition: “Duplexes/halfplexes are permitted (P) on corner lots by right. On interior lots, an administrative use permit (AUP) is required. In such instances, duplexes/halfplexes are exempt from the density requirements of the…”
Can I have a duplex in the RR zone in Rancho Cordova?
No. Rancho Cordova's use table does not allow it in RR (§ 23.310.030).
Can I have a duplex in the RD-10 zone in Rancho Cordova?
Yes. Rancho Cordova's use table lists it as allowed in RD-10 (§ 23.310.030).
General information, not legal advice.
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