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Merced · Land use · Duplex

Where is a duplex allowed in Merced?

In Merced, a duplex is allowed in 6 base zones (R-1, R-2, R-3, R-4, R-OV and 1 more, 1 with a condition) and not allowed in 3 (Merced use tables, read October 2026).

Key points

  • Allowed: R-1, R-2, R-3, R-4, R-OV and R-IV
  • Not allowed: R-R, R-MH and C-V

Find your lot's zone on the city zoning map, then read its row. Every status below was read from the Merced 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

Merced's code calls this use “Duplex Homes”. 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.

ZoneStatusCode
R-1 Low density residential
Allowed
§ 20.08.020
R-2 Low medium density residential
Allowed
§ 20.08.020
R-3 High medium density residential
Allowed
§ 20.08.020
R-4 High density residential
Allowed
§ 20.08.020
R-OV Outer village residential
Allowed
Code row: “Duplexes”
§ 20.16.020
R-IV Inner village residential
Allowed — see note
Code row: “Duplexes”
Note 3: Must meet minimum density requirements of ten (10) dwelling units/acre.
§ 20.16.020

Zones where it is not allowed

What else applies

  • Standards for this use: Sec. 20.08.020.B Duplex Homes in the R-1 Zoning Districts.
  • 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: RP-D residential planned development and other planned developments (no use table in text); Commercial cannabis uses (Table 20.44-1 in 20.44.170). Overlay zones and specific plans can also change the answer.

Other uses in Merced

Who this affects

HomeownersBuyersReal estate agentsSmall developers

Frequently asked questions

Can I have a duplex in the R-R zone in Merced?

No. Merced's use table does not allow it in R-R (§ 20.08.020).

Can I have a duplex in the R-1 zone in Merced?

Yes. Merced's use table lists it as allowed in R-1 (Low density residential) (§ 20.08.020).

General information, not legal advice.

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