Hollister · Zoning · R4-20
Hollister R4-20 zoning: height, setbacks and lot size
In Hollister's R4-20 zone, generally buildings can be up to 45 feet tall, the front setback is 15 feet and the minimum lot size is One acre, with the conditions listed below (Hollister code, read October 2026).
Key points
- Maximum building height: 45 feet (Dwellings)
- Minimum front setback: 15 feet
- Minimum side setback: 5 feet or 1 foot per 3 feet of height, whichever is greater (corner lot: 10 ft)
- Minimum lot size: One acre
- Maximum lot coverage: 60%
- Maximum density: maximum of 35 units per acre
R4-20 (High Density Multifamily Residential District) is a zoning district in Hollister. Every value below was read from the Hollister 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 R4-20
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 | 45 feet Applies: Dwellings See notes 4, 2, 5 below the table in the code. § 17.04.030 · code textTable row “(R4-20) High Density Multifamily Residential District”, column “Building Height (4)”: Dwellings: 45 feet (2) Accessory: 15 feet (5) Note 4: See building height exceptions in Chapter 17.16. Note 2: Transition in building height and other design elements shall be incorporated into development near existing residential neighborhoods to assure that the new development is not out of scale with the character of the surrounding uses. Note 5: Planning Commission approval is required for accessory structures higher than 15 feet. |
|---|---|
| Minimum front setback | 15 feet § 17.04.030 · code textTable row “(R4) High Density Residential District (R4-20) High Density Multifamily Residential District”, column “Front Yard”: 15 feet |
| Minimum side setback | 5 feet or 1 foot per 3 feet of height, whichever is greater Applies: corner lot: 10 ft § 17.04.030 · code textTable row “(R4) High Density Residential District (R4-20) High Density Multifamily Residential District”, column “Side Yard”: Interior: 5 feet or 1 foot per 3 feet of height whichever is greater Corner: 10 feet |
| Minimum lot size | One acre See note 5 below the table in the code. § 17.04.030 · code textTable row “(R4-20) High Density Multifamily Residential District (5)”, column “Minimum Lot Size (5)”: One acre Note 5: Partially developed parcels with potential for infill development may be subdivided without a growth management allocation if the Planning Commission can make the following findings: (a) the minimum lot size of an existing residential use shall be at least 5,000 square feet and the setback requirements for the R1 District can be met; (b) the orientation of the single-family home will help support |
| Maximum lot coverage | 60% § 17.04.030 · code textTable row “(R4-20) High Density Multifamily Residential District”, column “Lot Coverage (Max.)”: 60% |
| Maximum density | maximum of 35 units per acre See notes 5, 1, 2, 7 below the table in the code. § 17.04.030 · code textTable row “(R4-20) High Density Multifamily Residential District (5)”, column “Residential Density (1), (2), (7)”: Min. of 20 units per acre with a max. of 35 units per acre Note 5: Partially developed parcels with potential for infill development may be subdivided without a growth management allocation if the Planning Commission can make the following findings: (a) the minimum lot size of an existing residential use shall be at least 5,000 square feet and the setback requirements for the R1 District can be met; (b) the orientation of the single-family home will help support Note 1: Residential density does not include a density bonus. Note 2: Lots in the Monica Estates subdivision Tract 180 shall be considered conforming for minimum lot size. Note 7: The Planning Commission may waive the minimum density requirement for a development proposal with 100 percent multifamily affordable housing in the R4, R4-20, and OT-H Zoning Districts where it is demonstrated that the minimum density standard poses a constraint to the viability of the development. The manager's unit may be excluded from the affordability requirement. A Conditional Use Permit shal |
Uses in R4-20
Uses the code's use tables allow in R4-20, or allow with a permit. Each links to its page with the code section.
- Apartment building — Allowed
When a different number applies
The code sets other values for particular lots, buildings or locations in R4-20:
- Minimum side setback: 10 feet — on a corner lot § 17.04.030
- Minimum rear setback: 10 feet — or 15 feet measured to the centerline of an alley § 17.04.030
Not on this page
We did not find a general stories, rear setback, FAR limit for R4-20 in the zoning tables we read. The code may still set one elsewhere — check the Hollister Municipal Code.
Other Hollister zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Hollister's R4-20 zone?
45 feet (dwellings) — Hollister Municipal Code § 17.04.030.
What is the minimum front setback in Hollister's R4-20 zone?
15 feet — Hollister Municipal Code § 17.04.030.
What is the minimum side setback in Hollister's R4-20 zone?
5 feet or 1 foot per 3 feet of height, whichever is greater (corner lot: 10 ft) — Hollister Municipal Code § 17.04.030.
What is the minimum lot size in Hollister's R4-20 zone?
One acre — Hollister Municipal Code § 17.04.030.
What is the maximum lot coverage in Hollister's R4-20 zone?
60% — Hollister Municipal Code § 17.04.030.
General information, not legal advice.
Ask about a Hollister property in R4-20
Ask GoCodebook what you can build at a specific address and get an answer that cites the section.
Ask your question