Tiburon · Zoning · R-3
Tiburon R-3 zoning: height, setbacks and lot size
In Tiburon's R-3 zone, generally buildings can be up to 35 ft (3 stories) tall and the front setback is 15 ft, with the conditions listed below (Tiburon code, read October 2026).
Key points
- Maximum building height: 35 ft
- Maximum number of stories: 3 stories
- Minimum front setback: 15 ft (20 ft to garages)
- Minimum side setback: 20 ft (interior side; street side same as front; detached garages may be 5 ft if they meet the height rule in note 6)
- Minimum rear setback: 20 ft
- Maximum lot coverage: 30%
- Maximum floor area ratio (FAR): 0.60
- Maximum density: 12.4 du/acre
R-3 is a zoning district in Tiburon. Every value below was read from the Tiburon 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 R-3
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 § 16-21.040 · code textTable row “R-3”, column “Primary”: 35 ft. and 3 stories (6, 7) |
|---|---|
| Maximum number of stories | 3 stories § 16-21.040 · code textTable row “R-3”, column “Primary”: 35 ft. and 3 stories (6, 7) |
| Minimum front setback | 15 ft Applies: 20 ft to garages § 16-21.040 · code textTable row “R-3”, column “Front”: 15 ft. generally (5,6), except 20 ft. to garage(s) |
| Minimum side setback | 20 ft Applies: interior side; street side same as front; detached garages may be 5 ft if they meet the height rule in note 6 § 16-21.040 · code textTable row “R-3”, column “Sides”: street side same as front; interior side 20 ft. generally (5,6). |
| Minimum rear setback | 20 ft § 16-21.040 · code textTable row “R-3”, column “Rear”: 20 ft. (5, 6) |
| Maximum lot coverage | 30% § 16-21.040 · code textTable row “R-3”, column “Maximum Lot Coverage”: 30% |
| Maximum floor area ratio (FAR) | 0.60 § 16-21.040 · code textTable row “R-3”, column “Maximum FAR”: .60 |
| Maximum density | 12.4 du/acre § 16-21.040 · code textTable row “R-3”, column “Maximum Density”: 12.4 du/acre |
Uses in R-3
Uses the code's use tables allow in R-3, or allow with a permit. Each links to its page with the code section.
- Single-family home — Allowed
- Apartment building — Allowed
- Child care center — Needs a conditional use permit
When a different number applies
The code sets other values for particular lots, buildings or locations in R-3:
- Minimum front setback: 20 ft — to garage(s) § 16-21.040
Not on this page
We did not find a general lot size limit for R-3 in the zoning tables we read. The code may still set one elsewhere — check the Tiburon Municipal Code.
Other Tiburon zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Tiburon's R-3 zone?
35 ft — Tiburon Municipal Code § 16-21.040.
What is the maximum number of stories in Tiburon's R-3 zone?
3 stories — Tiburon Municipal Code § 16-21.040.
What is the minimum front setback in Tiburon's R-3 zone?
15 ft (20 ft to garages) — Tiburon Municipal Code § 16-21.040.
What is the minimum side setback in Tiburon's R-3 zone?
20 ft (interior side; street side same as front; detached garages may be 5 ft if they meet the height rule in note 6) — Tiburon Municipal Code § 16-21.040.
What is the minimum rear setback in Tiburon's R-3 zone?
20 ft — Tiburon Municipal Code § 16-21.040.
General information, not legal advice.
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