Patterson · Zoning · ER
Patterson ER zoning: height, setbacks and lot size
In Patterson's ER zone, generally buildings can be up to 32 ft (2 stories) tall, the front setback is 20 ft and the minimum lot size is 12,000 sq ft, with the conditions listed below (Patterson code, read October 2026).
Key points
- Maximum building height: 32 ft (Primary structure/unit)
- Maximum number of stories: 2 stories (Primary structure/unit)
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft (Interior lot)
- Minimum rear setback: 20 ft
- Minimum lot size: 12,000 sq ft
- Maximum lot coverage: 40% (Measured as impervious surface.)
- Maximum density: 1.0 unit per gross acre
ER is a zoning district in Patterson. Every value below was read from the Patterson 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 ER
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 | 32 ft Applies: Primary structure/unit § 18.38.040 · code textTable row “Primary Structure/Unit”, column “ER”: 2 stories (32') |
|---|---|
| Maximum number of stories | 2 stories Applies: Primary structure/unit § 18.38.040 · code textTable row “Primary Structure/Unit”, column “ER”: 2 stories (32') |
| Minimum front setback | 20 ft § 18.38.040 · code textTable row “Front yard—general”, column “ER”: 20' |
| Minimum side setback | 5 ft Applies: Interior lot § 18.38.040 · code textTable row “Side—interior lot”, column “ER”: 5' |
| Minimum rear setback | 20 ft § 18.38.040 · code textTable row “Rear yard”, column “ER”: 20' |
| Minimum lot size | 12,000 sq ft § 18.38.040 · code textTable row “Minimum”, column “ER”: 12,000 sf |
| Maximum lot coverage | 40% Applies: Measured as impervious surface. § 18.38.040 · code textTable row “Maximum”, column “ER”: 40% |
| Maximum density | 1.0 unit per gross acre § 18.38.040 · code textTable row “Maximum”, column “ER”: 1.0 |
Uses in ER
Uses the code's use tables allow in ER, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Duplex — Needs an administrative review — see note
- Live-work unit — Needs a conditional use permit — see note
- Child care center — Needs a conditional use permit — see note
- Church or place of worship — Needs a conditional use permit
- Emergency shelter — Needs a conditional use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in ER:
- Minimum front setback: 15 ft — Living area § 18.38.040
- Maximum lot coverage: 60% — Front yard § 18.38.040
Not on this page
We did not find a general FAR limit for ER in the zoning tables we read. The code may still set one elsewhere — check the Patterson Municipal Code.
Other Patterson zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Patterson's ER zone?
32 ft (primary structure/unit) — Patterson Municipal Code § 18.38.040.
What is the maximum number of stories in Patterson's ER zone?
2 stories (primary structure/unit) — Patterson Municipal Code § 18.38.040.
What is the minimum front setback in Patterson's ER zone?
20 ft — Patterson Municipal Code § 18.38.040.
What is the minimum side setback in Patterson's ER zone?
5 ft (interior lot) — Patterson Municipal Code § 18.38.040.
What is the minimum rear setback in Patterson's ER zone?
20 ft — Patterson Municipal Code § 18.38.040.
General information, not legal advice.
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