Article V — Fire Safe Standards.
Sec. 13-37. - Driveways.
Sonoma County Municipal Code · 2026-09 edition · updated 2026-09-27 · Sonoma County
In addition to meeting the applicable standards in the preceding sections, all driveways shall comply with the following requirements:
(a)
All driveways shall be constructed to provide a minimum of one (1) twelve-foot traffic lane and an unobstructed vertical clearance of fifteen feet (15') along the entire length of the driveway.
(b)
All driveways exceeding one hundred fifty feet (150') in length shall have a turnout constructed at approximately the midpoint of the driveway. Any driveway exceeding eight hundred feet (800') in length shall have turnouts constructed approximately every four hundred feet (400') along the entire length of the driveway. Driveways required to have a turnout, shall have a turnout that is a minimum of twenty-two feet (22') wide, including the road and the turnout and thirty feet (30') long with a minimum taper of twenty-five feet (25') on each end. The length of the turnout shall be measured along the road or driveway centerline and shall not be located on the inside of horizontal curves without approval from the fire code official.
(c)
All driveways exceeding one hundred fifty feet (150') in length shall have a turnaround. All driveways exceeding three hundred feet (300') shall have the turnaround constructed within fifty feet (50') of the residential building served by the driveway and shall have additional space provided for parking. Any driveway longer than one thousand three hundred twenty feet (1,320') shall have additional turnarounds located at intervals no less than one thousand three hundred twenty feet (1,320') unless approved by the county fire warden/fire marshal. Parking shall not be allowed in the approved turnaround location
(d)
Any road or driveway structure required to have a turnaround may have either a hammerhead/T, a stub out, or terminus bulb. All turnarounds shall have a minimum turning radius of forty feet (bulbs shall be forty feet (40') from the center point of the bulb, hammerhead/T and stub out shall have entry and exit curves of no less than a forty-foot radius). If a hammerhead/T is used, the top of the "T" shall be a minimum of sixty feet (60') in length. If a stub is used, then the length of the turnaround shall be forty feet (40'), as measured from the road or driveway edge. The minimum width of either a hammerhead/T or a stub out shall be equivalent to the road or driveway entering the turnaround.
(Ord. No. 6318, § I, 8-11-2020)
State Law reference— California Code of Regulations, Title 14 Natural Resources Code, Division 1.5, Chapter 7, Subchapter 2, Article 1-5, SRA Fire Safe Regulations, 1273.01 12730.5, 1273.06.
Get a plain-English answer with a citation back to this text.
Ask AI about this code