Rialto · Zoning · PID
Rialto PID zoning: height, setbacks and lot size
In Rialto's PID zone, buildings can be up to 35 ft tall, the front setback is 30 ft and the minimum lot size is 20,000 net sq ft (Rialto code, read October 2026).
Key points
- Maximum building height: 35 ft
- Minimum front setback: 30 ft
- Minimum side setback: 25 ft (The planning commission may reduce it after site plan review)
- Minimum rear setback: 25 ft (The planning commission may reduce it after site plan review)
- Minimum lot size: 20,000 net sq ft
PID (Planned Industrial Development (PID) Zone) is a zoning district in Rialto. Every value below was read from the Rialto 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 PID
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 | 35 ft § 18.40.050 · code textA. Building height limit, thirty-five feet; |
|---|---|
| Minimum front setback | 30 ft § 18.40.050 · code textE. Front yard setback, minimum thirty feet; |
| Minimum side setback | 25 ft Applies: The planning commission may reduce it after site plan review § 18.40.050 · code textF. Side and rear yard setbacks, minimum twenty-five feet. |
| Minimum rear setback | 25 ft Applies: The planning commission may reduce it after site plan review § 18.40.050 · code textF. Side and rear yard setbacks, minimum twenty-five feet. |
| Minimum lot size | 20,000 net sq ft § 18.40.050 · code textB. Lot area, minimum twenty thousand net square feet; |
When a different number applies
The code sets other values for particular lots, buildings or locations in PID:
- Minimum side setback: 100 ft — side or rear property line abuts any residential zone § 18.40.050
- Minimum rear setback: 100 ft — side or rear property line abuts any residential zone § 18.40.050
Not on this page
We did not find a general stories, lot coverage, FAR, density limit for PID in the zoning tables we read. The code may still set one elsewhere — check the Rialto Municipal Code.
Other Rialto zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Rialto's PID zone?
35 ft — Rialto Municipal Code § 18.40.050.
What is the minimum front setback in Rialto's PID zone?
30 ft — Rialto Municipal Code § 18.40.050.
What is the minimum side setback in Rialto's PID zone?
25 ft (the planning commission may reduce it after site plan review) — Rialto Municipal Code § 18.40.050.
What is the minimum rear setback in Rialto's PID zone?
25 ft (the planning commission may reduce it after site plan review) — Rialto Municipal Code § 18.40.050.
What is the minimum lot size in Rialto's PID zone?
20,000 net sq ft — Rialto Municipal Code § 18.40.050.
General information, not legal advice.
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