National City · Zoning · IL
National City IL zoning: height, setbacks and lot size
In National City's IL zone, buildings can be up to 35 ft (3 stories) tall, the front setback is 10 ft and the minimum lot size is 5,000 sq. ft. (National City code, read October 2026).
Key points
- Maximum building height: 35 ft
- Maximum number of stories: 3 stories
- Minimum front setback: 10 ft
- Minimum side setback: 0 ft
- Minimum rear setback: 0 ft
- Minimum lot size: 5,000 sq. ft.
- Maximum lot coverage: 60%
- Maximum floor area ratio (FAR): 2
IL is a zoning district in National City. Every value below was read from the National City 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 IL
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 § 18.25.040 · code textTable row “Maximum height”, column “IL”: 35' and 3 stories |
|---|---|
| Maximum number of stories | 3 stories § 18.25.040 · code textTable row “Maximum height”, column “IL”: 35' and 3 stories |
| Minimum front setback | 10 ft § 18.25.040 · code textTable row “Street”, column “IL”: 10' |
| Minimum side setback | 0 ft § 18.25.040 · code textTable row “Other”, column “IL”: 0' |
| Minimum rear setback | 0 ft § 18.25.040 · code textTable row “Other”, column “IL”: 0' |
| Minimum lot size | 5,000 sq. ft. See note a below the table in the code. § 18.25.040 · code textTable row “Minimum lot area”, column “IL”: 5,000 sq. ft. (a) Note a: Automobile service stations shall have a minimum lot area of fifteen thousand square feet. |
| Maximum lot coverage | 60% § 18.25.040 · code textTable row “Maximum lot coverage”, column “IL”: 60% |
| Maximum floor area ratio (FAR) | 2 § 18.25.040 · code textTable row “Maximum floor area ratio”, column “IL”: 2 |
Uses in IL
Uses the code's use tables allow in IL, or allow with a permit. Each links to its page with the code section.
- Emergency shelter — Allowed
When a different number applies
The code sets other values for particular lots, buildings or locations in IL:
- Minimum front setback: 20 ft — applies to any yard: when the lot is next to a residential zone, measured from that zone's boundary § 18.25.040
- Minimum lot size: 15,000 sq. ft. — Automobile service stations § 18.25.040
Not on this page
We did not find a general density limit for IL in the zoning tables we read. The code may still set one elsewhere — check the National City Municipal Code.
Other National City zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in National City's IL zone?
35 ft — National City Municipal Code § 18.25.040.
What is the maximum number of stories in National City's IL zone?
3 stories — National City Municipal Code § 18.25.040.
What is the minimum front setback in National City's IL zone?
10 ft — National City Municipal Code § 18.25.040.
What is the minimum side setback in National City's IL zone?
0 ft — National City Municipal Code § 18.25.040.
What is the minimum rear setback in National City's IL zone?
0 ft — National City Municipal Code § 18.25.040.
General information, not legal advice.
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