Vacaville, CA Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- RR district front/rear setback
- 50 ft / 40 ft
- RE district front/rear setback
- 25 ft / 20 ft
- RL through RHL front setback
- 15 feet
- MHP district front/rear setback
- 20 ft / 20 ft
- Setback measured from
- Lot line or back of sidewalk, whichever greater
Summary
Vacaville sets minimum front, side, and rear building setbacks that shrink as residential density rises, from 50 feet front and 40 feet rear on Rural Residential lots down to 15 feet front and 15-20 feet rear in the RLM through RHL districts, measured from the lot line or back of sidewalk, whichever is greater.
§ 14.02.030.120. Determining Setbacks (Yards). A setback line defining a required yard is parallel to and at the specified distance from the corresponding property line. Required setbacks shall be unobstructed from the ground to the sky except where allowed pursuant to Section 14.09.200.030, subject to compliance with the Building Code. [Table 14.09.060.B, Setback Standards, Minimum Front Setback (ft), Building:] RR RE RL RLM RM RMH RH RHL MHP: 50 25 15 15 15 15 15 15 20.
Full Breakdown
" For the main building line, the minimum front setback runs from 50 feet in RR down to 25 feet in RE and 15 feet across RL, RLM, RM, RMH, RH, and RHL, then back up to 20 feet in MHP; the minimum rear building setback runs 40 feet in RR, 20 feet in RE and RL, 15 feet in RLM and RM, and 20 feet in RMH, RH, RHL, and MHP. Attached-garage and porch/deck setbacks are listed separately and are often smaller than the main building setback.
030. Special rules apply where a lot abuts a planned street widening (the setback runs from the future right-of-way, not the current property line) and where a side lot line abuts an alley (that yard is treated as a rear yard, and no part of the alley width counts toward the required yard). 030.
Violations & Fines
Building a structure, addition, or attached garage that encroaches into the minimum front, side, or rear setback listed in Table 14.09.060.B for the applicable district, without an approved adjustment or use permit, is a zoning violation subject to building-permit denial, stop-work orders, and code enforcement requiring removal or modification of the encroaching portion.
Frequently Asked Questions
What is the minimum front setback in Vacaville's RL district?
How is a Vacaville setback measured?
Do Vacaville setbacks change near an alley?
Sources & Official References
Other rules in Vacaville
California rules heatmap·Compare Vacaville to another location·View the California building setbacks & zoning overview
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Setback Rules in Nearby Cities
How other cities in Solano County handle setback rules.