Town of Ross
Town Council

Hillside Lot Ordinance Review

The Ross Town Council will consider adopting Ordinance No. 620, an Ordinance amending the Town Hillside Development Regulations, at the August 12, 2010 Town Council meeting.

The new regulations would apply to subdivisions and certain construction projects on property within the Town of Ross with an average slope of thirty percent (30%) or greater or that are wholly or partially within Hazard Zones 3 or 4 as identified on the Town slope stability map.

A summary of the changes included in Ordinance No. 620:

  • The hillside lot floor area ratio would become a mandatory development regulation and not a guideline. A variance would be necessary to exceed the maximum permitted floor area for a hillside site.
  • No change to the method of calculating average lot slope is proposed.
  • A new hillside lot floor area ratio formula is proposed. The formula levels out the current floor area thresholds and would reduce the maximum permitted floor area for some lots and increase the maximum permitted floor area for other lots.
  • The hillside lot ordinance would apply to most hillside projects that are currently subject to design review, such as additions that are 200 square feet or greater and certain retaining wall projects.
  • New guidelines would permit the Town Council to consider the design and privacy impacts of decks and take into consideration aesthetic impacts of tall building walls.
  • The ordinance reinstates larger setbacks requirements for hillside lots as a mandatory development regulation.
  • The ordinance would amend the design guidelines and standards for hillside projects. The amendments include limiting the height of retaining walls to six feet (eight feet currently permitted).
  • Published notice of a hillside lot hearing would no longer be required. Public notices would be mailed to all property owners within 500 feet of a site and posted at the site and two other locations.

For more information, please contact:
Elise Semonian, Senior Planner (415) 453-1453 ext. 121 esemonian@townofross.org


Upcoming Scheduled Public Meeting:  

Town Council, Thursday, August 12, 2010 6:30 p.m. (ordinance adoption)

The meeting will be held at Ross Town Hall, 31 Sir Francis Drake Blvd, Ross.

August 12, 2010 Hillside Lot Ordinance No. 620
August 12, 2010 Hillside Lot Regulations Red-Line Version
Examples of Hillside Lot FAR
Slope Formula Case Studies


Previous Meetings Materials

July 15, 2010 Hillside Lot Ordinance Staff Report
July 15, 2010 Hillside Lot Regulations Red-Line Version
July 15, 2010 Hillside Lot Ordinance No. 620
June 10, 2010 Hillside Lot Regulations Staff Report
June 10, 2010 Hillside Lot Ordinance No. 620
Hillside Lot Regulations Red-Line May 14, 2010 Version
Hillside Lot Regulations Staff Report for May 13, 2010 Meeting
Notice, April 2010
Ordinance No. 620 (Hillside Lot Ordinance)
Hillside Lot Regulations Red-Line
Staff Report for Advisory Design Review Group meeting on April 27, 2010

Agenda, March 23, 2010
Minutes 3/23/10
Notice, March 23, 2010
Hillside Lot Ordinance Red-Line Revisions
Hillside Lot FAR Examples
Gradual FAR Formulas
Revised FAR Slope Formula, March 19, 2010
Examples of Revised Slope Formula, March 19, 2010
Derivation of the Average Slope Formula

Notice, March 2, 2010
Minutes 3/2/10
Draft Modifications to Hillside Development Regulations

Examples of Existing and Proposed HLO Floor Area Formula

Agenda, January 7, 2010
Notice
Minutes 1-7-10
Summary of Issues raised at October 29 Meeting
Vacant Lot Map

Agenda, October 29, 2009

Notice
Handouts
Minutes 10-29-09
The Morning After
Public Comments


Town of Ross