Dimensional standards
Height & bulk
Servicing
- Applies near
- Los Trancos Creek, Corte Madera Creek, Sausal Creek
- Geographic extent
- Properties along Los Trancos Creek, Corte Madera Creek, and Sausal Creek
Extracted standards
11 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Fencing & walls
- Fence restrictions in creek setbacksSetbackThe distance a building must be held back from a lot line.
Existing fences below the top of bank may not be repaired, reconstructed or replaced other than as an approved creek bank stabilization measure. Existing fences above the top of bank may be repaired, reconstructed or replaced when in conformance with Chapter 18.43. New fences shall conform to Chapter 18.43.
Grading
- Maximum gradingGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. volume without permit5 cubic yardscubic yard (cy)A unit of earth volume used in grading limits — roughly one dump-truck scoop.
Grading up to five cubic yards and installation of impervious surfaces up to two percent of the setback area are permitted.
Other
- Creek crossings permitted with permit
Road, bridge, and utility crossings are permitted in creek setbacks pursuant to a building/site development permit and shall be designed to minimize adverse impacts.
- Discharging pollutants into creeks prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
Discharging or dumping pollutants into a creek, such as yard wastes, animal wastes, chemically treated water, and other pollutants are prohibited by Chapter 8.28.
- Maximum imperviousImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios. surface as percentage of setbackSetbackThe distance a building must be held back from a lot line. area2 pct
installation of impervious surfaces up to two percent of the setback area are permitted.
- SetbackSetbackThe distance a building must be held back from a lot line. measurement from top of bank or ordinary high water mark
For building permits and site development permits, setbacks may be measured from either the top of creek bank or ordinary high water mark at the option of the property owner.
- Minimum creek setbackSetbackThe distance a building must be held back from a lot line. for new subdivisions55 ft
For new subdivisions, parcels shall have a minimum creek setback of fifty-five feet from the top of creek bank
- Use of native vegetation in creek setbacksSetbackThe distance a building must be held back from a lot line.
New creek stabilizing vegetation is to be selected from the town's list of riparian vegetation, or vegetation shown to be a native species of this watershed.
- Reconstruction cannot increase encroachment into creek setbackSetbackThe distance a building must be held back from a lot line.
in no case shall such construction increase the extent of the encroachment into the setback area.
- SetbacksSetbackThe distance a building must be held back from a lot line. may be modified for planned unit developments
For planned unit developments, setbacks may be modified by the planning commission to achieve better consistency with the purposes of this chapter.
- Trails and paths permitted subject to site development ordinance
Trails and paths are permitted subject to the provisions of the site development ordinance and must be designed to minimize adverse impacts on the natural environment.
From the ordinance
Creek setbacks for Los Trancos, Corte Madera, and Sausal Creeks. New subdivisions shall have a minimum creek setback of fifty-five feet from the top of creek bank.