Hercules · Zoning · I
Hercules I zoning: height, setbacks and lot size
In Hercules's I zone, generally buildings can be up to 35 feet tall, the front setback is 25 ft and the minimum lot size is 20,000 sq ft, with the conditions listed below (Hercules code, read October 2026).
Key points
- Maximum building height: 35 feet
- Minimum front setback: 25 ft (50 ft when adjacent to existing residences or residentially zoned area)
- Minimum side setback: 20 ft (100 ft when adjacent to existing residences or residentially zoned area)
- Minimum rear setback: 20 ft (100 ft when adjacent to existing residences or residentially zoned area)
- Minimum lot size: 20,000 sq ft
- Maximum lot coverage: 50%
- Maximum floor area ratio (FAR): 0.30 to 0.50 (The code sets a range: at least 0.30, at most 0.50)
I (Industrial District) is a zoning district in Hercules. Every value below was read from the Hercules 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 I
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 feet § 13-9.500 · code textTable row “Building Height”, column “I”: 35 feet |
|---|---|
| Minimum front setback | 25 ft Applies: 50 ft when adjacent to existing residences or residentially zoned area See notes 2, 1 below the table in the code. § 13-9.500 · code textTable row “Front (ft)”, column “I”: 25 (2) Note 2: Minimum setbacks shall be 50 feet front, 100 feet side, 100 feet rear, and 20 feet for parking areas when adjacent to existing residences or residentially zoned area. Note 1: Minimum setbacks unless lesser setbacks are approved as part of a planned development plan. |
| Minimum side setback | 20 ft Applies: 100 ft when adjacent to existing residences or residentially zoned area See notes 2, 1 below the table in the code. § 13-9.500 · code textTable row “Side (ft)”, column “I”: 20 (2) Note 2: Minimum setbacks shall be 50 feet front, 100 feet side, 100 feet rear, and 20 feet for parking areas when adjacent to existing residences or residentially zoned area. Note 1: Minimum setbacks unless lesser setbacks are approved as part of a planned development plan. |
| Minimum rear setback | 20 ft Applies: 100 ft when adjacent to existing residences or residentially zoned area See notes 2, 1 below the table in the code. § 13-9.500 · code textTable row “Rear (ft)”, column “I”: 20 (2) Note 2: Minimum setbacks shall be 50 feet front, 100 feet side, 100 feet rear, and 20 feet for parking areas when adjacent to existing residences or residentially zoned area. Note 1: Minimum setbacks unless lesser setbacks are approved as part of a planned development plan. |
| Minimum lot size | 20,000 sq ft § 13-9.500 · code textTable row “Lot Size (sq ft)”, column “I”: 20,000 |
| Maximum lot coverage | 50% § 13-9.500 · code textTable row “Maximum Site Coverage”, column “I”: 50% |
| Maximum floor area ratio (FAR) | 0.30 to 0.50 Applies: The code sets a range: at least 0.30, at most 0.50 § 13-9.500 · code textTable row “Typical”, column “I”: 0.40 |
Not on this page
We did not find a general stories, density limit for I in the zoning tables we read. The code may still set one elsewhere — check the Hercules Municipal Code.
Other Hercules zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Hercules's I zone?
35 feet — Hercules Municipal Code § 13-9.500.
What is the minimum front setback in Hercules's I zone?
25 ft (50 ft when adjacent to existing residences or residentially zoned area) — Hercules Municipal Code § 13-9.500.
What is the minimum side setback in Hercules's I zone?
20 ft (100 ft when adjacent to existing residences or residentially zoned area) — Hercules Municipal Code § 13-9.500.
What is the minimum rear setback in Hercules's I zone?
20 ft (100 ft when adjacent to existing residences or residentially zoned area) — Hercules Municipal Code § 13-9.500.
What is the minimum lot size in Hercules's I zone?
20,000 sq ft — Hercules Municipal Code § 13-9.500.
General information, not legal advice.
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