Coronado · Zoning · R-1B
Coronado R-1B zoning: height, setbacks and lot size
In Coronado's R-1B zone, generally buildings can be up to 25 ft (2 stories) tall and the front setback is 25 ft, with the conditions listed below (Coronado code, read October 2026).
Key points
- Maximum building height: 25 ft (Roof pitch below 3:12, any lot width; pitched roofs (3:12 and up) get 26 to 30 ft by lot width.)
- Maximum number of stories: 2 stories
- Minimum front setback: 25 ft
- Minimum rear setback: 10% of lot depth, not more than 10 ft (First-story rear yard)
- Maximum lot coverage: 50% (second-story gross floor area may not exceed first-story gross floor area (attached garages count as first story))
- Maximum density: 1 unit per 3,500 sq ft (Each single-family dwelling building; a legal lot of record on July 1, 1973 may have one dwelling on less area.)
R-1B (SINGLE-FAMILY RESIDENTIAL ZONE) is a zoning district in Coronado. Every value below was read from the Coronado 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-1B
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 | 25 ft Applies: Roof pitch below 3:12, any lot width; pitched roofs (3:12 and up) get 26 to 30 ft by lot width. § 86.10.030 · code textTable row “< 27 feet”, column “Height limit for roof pitch less than 3:12 including the top of any wall surrounding a roof with a pitch of less than 3:12”: 25 feet |
|---|---|
| Maximum number of stories | 2 stories § 86.10.030 · code textMain buildings shall not contain more than two stories and shall comply with the height limits and daylight plane restrictions depicted in the following table and graphic illustration: |
| Minimum front setback | 25 ft § 86.10.040 · code textThere shall be a front yard of not less than 25 feet. |
| Minimum rear setback | 10% of lot depth, not more than 10 ft Applies: First-story rear yard § 86.10.050 · code textA. There shall be a Wrst-story rear yard of not less than 10 percent of the depth of the lot; provided, however, such rear yard need not exceed 10 feet (the handle portion of a panhandle lot shall be excluded from lot depth calculations). |
| Maximum lot coverage | 50% Applies: second-story gross floor area may not exceed first-story gross floor area (attached garages count as first story) § 86.10.100 · code textThe total structural coverage shall not exceed 50 percent of the gross lot or building site area and the gross Xoor area of the second story shall not exceed the gross Xoor area of the Wrst story (attached enclosed garages shall be considered as part of the Wrst-story gross Xoor area). |
| Maximum density | 1 unit per 3,500 sq ft Applies: Each single-family dwelling building; a legal lot of record on July 1, 1973 may have one dwelling on less area. § 86.10.090 · code textEach single-family dwelling building hereafter erected or structurally altered shall have a minimum total gross lot area of 3,500 square feet. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-1B:
- Maximum building height: 26 ft — Lot width less than 27 feet; roof pitch 3:12 and greater § 86.10.030
- Maximum building height: 27 ft — Lot width 27–27.9 feet; roof pitch 3:12 and greater § 86.10.030
- Maximum number of stories: 1 story — Main building; increased coverage exception § 86.10.100
- Minimum front setback: 15% of lot depth — Lots having a depth of 60 feet or less § 86.10.040
- Minimum front setback: 10 ft — Lots with a front lot line solely along an alley; second-story front yard § 86.10.040
- Minimum side setback: 0 ft — One side yard may be reduced to zero upon site plan approval for qualifying contiguous-lot development § 86.10.060
- Minimum side setback: 20% of lot width, min 6 ft — Remaining side yard in qualifying contiguous-lot development § 86.10.060
- Minimum rear setback: 40% of lot depth — Second-story rear yard; lots except those with a rear property line adjoining a public park or bay, and not both 110 feet or less in depth § 86.10.050
- Minimum rear setback: 30% of lot depth — Second-story rear yard for lots 110 feet or less in depth, except lots adjoining a public park or bay § 86.10.050
- Minimum rear setback: 20% of lot depth — Reversed corner lot, second-story rear yard § 86.10.070
- Maximum lot coverage: 60% — Main building limited to one story with maximum height of 14 feet to top of flat roof or 20 feet to ridge of sloped roof § 86.10.100
Not on this page
We did not find a general side setback, lot size, FAR limit for R-1B in the zoning tables we read. The code may still set one elsewhere — check the Coronado Municipal Code.
Other Coronado zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Coronado's R-1B zone?
25 ft (roof pitch below 3:12, any lot width; pitched roofs (3:12 and up) get 26 to 30 ft by lot width) — Coronado Municipal Code § 86.10.030.
What is the maximum number of stories in Coronado's R-1B zone?
2 stories — Coronado Municipal Code § 86.10.030.
What is the minimum front setback in Coronado's R-1B zone?
25 ft — Coronado Municipal Code § 86.10.040.
What is the minimum rear setback in Coronado's R-1B zone?
10% of lot depth, not more than 10 ft (first-story rear yard) — Coronado Municipal Code § 86.10.050.
What is the maximum lot coverage in Coronado's R-1B zone?
50% (second-story gross floor area may not exceed first-story gross floor area (attached garages count as first story)) — Coronado Municipal Code § 86.10.100.
General information, not legal advice.
Ask about a Coronado property in R-1B
Ask GoCodebook what you can build at a specific address and get an answer that cites the section.
Ask your question