South San Francisco · Zoning · ETC
South San Francisco ETC zoning: height, setbacks and lot size
In South San Francisco's ETC zone, the minimum lot size is 10,000 sf, the side setback limit is 0 ft and the rear setback limit is 0 ft (South San Francisco code, read October 2026).
Key points
- Minimum side setback: 0 ft
- Minimum rear setback: 0 ft
- Minimum lot size: 10,000 sf
- Maximum lot coverage: 85%
- Maximum floor area ratio (FAR): 1.0
- Maximum density: 200 du/ac
ETC is a zoning district in South San Francisco. Every value below was read from the South San Francisco 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 ETC
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.
| Minimum side setback | 0 ft § 20.090.003 · code textTable row “Min. Interior Side Setback”, column “ETC”: 0 ft (E) |
|---|---|
| Minimum rear setback | 0 ft § 20.090.003 · code textTable row “Min. Rear Setback”, column “ETC”: 0 ft (E) |
| Minimum lot size | 10,000 sf § 20.090.003 · code textTable row “Min. Lot Area”, column “ETC”: 10,000 sf |
| Maximum lot coverage | 85% § 20.090.003 · code textTable row “Max. Lot Coverage”, column “ETC”: 85% |
| Maximum floor area ratio (FAR) | 1.0 § 20.090.003 · code textTable row “Max. Floor Area Ratio (FAR)”, column “ETC”: 1.0; 8.0 with community benefits (C) |
| Maximum density | 200 du/ac § 20.090.003 · code textTable row “Maximum Density”, column “ETC”: 200 du/ac (B) |
Uses in ETC
Uses the code's use tables allow in ETC, or allow with a permit. Each links to its page with the code section.
- Apartment building — Allowed
- Live-work unit — Needs a conditional use permit
- Child care center — Allowed
- Private school — Needs a minor use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in ETC:
- Maximum floor area ratio (FAR): 8.0 — with community benefits § 20.090.003
Not on this page
We did not find a general height, stories, front setback limit for ETC in the zoning tables we read. The code may still set one elsewhere — check the South San Francisco Municipal Code.
Other South San Francisco zoning districts
Who this affects
Frequently asked questions
What is the minimum side setback in South San Francisco's ETC zone?
0 ft — South San Francisco Municipal Code § 20.090.003.
What is the minimum rear setback in South San Francisco's ETC zone?
0 ft — South San Francisco Municipal Code § 20.090.003.
What is the minimum lot size in South San Francisco's ETC zone?
10,000 sf — South San Francisco Municipal Code § 20.090.003.
What is the maximum lot coverage in South San Francisco's ETC zone?
85% — South San Francisco Municipal Code § 20.090.003.
What is the maximum floor area ratio (far) in South San Francisco's ETC zone?
1.0 — South San Francisco Municipal Code § 20.090.003.
General information, not legal advice.
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