Rio Vista · Zoning · M-G
Rio Vista M-G zoning: height, setbacks and lot size
In Rio Vista's M-G zone, generally buildings can be up to None tall, the front setback is 10 ft and the minimum lot size is one-half acre, with the conditions listed below (Rio Vista code, read October 2026).
Key points
- Maximum building height: None (airport flight obstruction areas keep their own height limits; the fire chief must certify fire protection)
- Minimum front setback: 10 ft (buildings must also be at least 50 ft from the road center line, or follow building lines shown on the district maps)
- Minimum side setback: 20 ft (40 ft for any building over one story or 25 ft high when adjacent to an R district)
- Minimum rear setback: 20 ft (40 ft for any building over one story or 25 ft high when adjacent to an R district divided by a green belt)
- Minimum lot size: one-half acre (except where a use permit sets another area, and for farm dwellings on 20 acres or more)
- Maximum lot coverage: None (limited only by access, parking, loading, drainage, landscaping and setbacks)
M-G (GENERAL MANUFACTURING INDUSTRY DISTRICT) is a zoning district in Rio Vista. Every value below was read from the Rio Vista Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in M-G
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Maximum building height | None Applies: airport flight obstruction areas keep their own height limits; the fire chief must certify fire protection § 17.30.070 · code textMaximum building height: none, provided, that no structure shall exceed the height limitations, if located in an airport flight obstruction area, and provided that the fire chief certifies that such building, located, constructed and equipped as proposed, can be properly protected in case of fire. |
|---|---|
| Minimum front setback | 10 ft Applies: buildings must also be at least 50 ft from the road center line, or follow building lines shown on the district maps § 17.30.080 · code textMinimum front yard: 10 feet, except, that buildings shall not be less than 50 feet from the center line of the public road, or unless otherwise indicated by building lines on the sectional district maps. |
| Minimum side setback | 20 ft Applies: 40 ft for any building over one story or 25 ft high when adjacent to an R district § 17.30.090 · code textMinimum side yard: 20 feet, except, that 40 feet shall be required for any building over one story or 25 feet in height when adjacent to any R district. |
| Minimum rear setback | 20 ft Applies: 40 ft for any building over one story or 25 ft high when adjacent to an R district divided by a green belt § 17.30.100 · code textMinimum rear yard: 20 feet, except that 40 feet shall be required for any building over one story or 25 feet in height when adjacent to any R district divided by a green belt. |
| Minimum lot size | one-half acre Applies: except where a use permit sets another area, and for farm dwellings on 20 acres or more § 17.30.050 · code textExcept as may otherwise be specified for any use for which a use permit is required by this chapter and except for farm dwellings on 20 acres or more, minimum lot areas in the district shall be one-half acre. |
| Maximum lot coverage | None Applies: limited only by access, parking, loading, drainage, landscaping and setbacks § 17.30.060 · code textNo maximum building coverage except as required for access, off-street parking, loading and unloading, drainage, required landscaping and setbacks. |
When a different number applies
The code sets other values for particular lots, buildings or locations in M-G:
- Minimum front setback: 50 ft from the center line of the public road — also required with the 10 ft yard, unless building lines on the sectional district maps show otherwise § 17.30.080
- Minimum side setback: 40 ft — For any building over one story or 25 feet in height when adjacent to any R district § 17.30.090
- Minimum rear setback: 40 ft — For any building over one story or 25 feet in height when adjacent to any R district divided by a green belt § 17.30.100
Not on this page
We did not find a general stories, FAR, density limit for M-G in the zoning tables we read. The code may still set one elsewhere — check the Rio Vista Municipal Code.
Other Rio Vista zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Rio Vista's M-G zone?
None (airport flight obstruction areas keep their own height limits; the fire chief must certify fire protection) — Rio Vista Municipal Code § 17.30.070.
What is the minimum front setback in Rio Vista's M-G zone?
10 ft (buildings must also be at least 50 ft from the road center line, or follow building lines shown on the district maps) — Rio Vista Municipal Code § 17.30.080.
What is the minimum side setback in Rio Vista's M-G zone?
20 ft (40 ft for any building over one story or 25 ft high when adjacent to an R district) — Rio Vista Municipal Code § 17.30.090.
What is the minimum rear setback in Rio Vista's M-G zone?
20 ft (40 ft for any building over one story or 25 ft high when adjacent to an R district divided by a green belt) — Rio Vista Municipal Code § 17.30.100.
What is the minimum lot size in Rio Vista's M-G zone?
one-half acre (except where a use permit sets another area, and for farm dwellings on 20 acres or more) — Rio Vista Municipal Code § 17.30.050.
General information, not legal advice.
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