Hollister R4 zoning: height, setbacks and lot size

R4 (High Density 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

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 text Table row “(R4) High Density 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 text Table 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 text Table 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	8,000 sq. ft. for 3 units Applies: 3 units See notes 5, 8 below the table in the code. § 17.04.030 · code text Table row “(R4) High Density Residential District (5) (8)”, column “Minimum Lot Size (5)”: 1 unit: 4,000 sq. ft. 2 units: 6,000 sq. ft. 3 units: 8,000 sq. ft. Parcels of 8,000 sq. ft. or more shall be developed at a ratio of 3 dwelling units for the first 8,000 sq. ft. and 1,240 sq. ft. for each additional unit 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 8: An existing single-family home that is the only dwelling on a parcel that was lawfully constructed and involuntarily damaged or destroyed by fire or other calamity may be rebuilt.
Maximum lot coverage	60% § 17.04.030 · code text Table row “(R4) High Density Residential District”, column “Lot Coverage (Max.)”: 60%
Maximum density	maximum of 35 units per acre See notes 5, 8, 1, 2 below the table in the code. § 17.04.030 · code text Table row “(R4) High Density Residential District (5) (8)”, column “Residential Density (1), (2), (7)”: Min. of 12 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 8: An existing single-family home that is the only dwelling on a parcel that was lawfully constructed and involuntarily damaged or destroyed by fire or other calamity may be rebuilt. 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.

Uses in R4

Uses the code's use tables allow in R4, or allow with a permit. Each links to its page with the code section.

Duplex — Allowed — see note
Apartment building — Allowed

When a different number applies

The code sets other values for particular lots, buildings or locations in R4:

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
Minimum lot size: 4,000 sq. ft. for 1 unit — 1 unit § 17.04.030
Minimum lot size: 6,000 sq. ft. for 2 units — 2 units § 17.04.030

Not on this page

We did not find a general stories, rear setback, FAR limit for R4 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

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Hollister's R4 zone?

45 feet (dwellings) — Hollister Municipal Code § 17.04.030.

What is the minimum front setback in Hollister's R4 zone?

15 feet — Hollister Municipal Code § 17.04.030.

What is the minimum side setback in Hollister's R4 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 zone?

8,000 sq. ft. for 3 units (3 units) — Hollister Municipal Code § 17.04.030.

What is the maximum lot coverage in Hollister's R4 zone?

60% — Hollister Municipal Code § 17.04.030.