Accessory Dwelling Units Regulation Update Planning Commission Hearing October 29, 2014

What is an ADU? Second unit, accessory to main house Attached or detached

What are the current regulations? 1 acre 1200 square feet or 40% Attached or detached Family member only Water and Sanitation Board of Adjustment hearing

Why are we updating? Initiated by Aging Well in Jefferson County 60+ Population will double by 2030 Increases housing options

Benefits to Seniors Move in with or near family (Important!) House a caretaker Remain on their property and rent out home to supplement fixed income Convenience (transportation, doctors, groceries, churches) Delay institutional living (costly to society)

Community Benefits Maximizes Existing Infrastructure Increases Rental Options and Overall Housing Supply Solution for Housing Needs for Seniors

Recommendations from Aging Well: Remove minimum lot size requirements Remove family member only restriction Limit occupancy to 3 people Require owner occupancy

Recommendations from Aging Well: Allow an administrative process Include design and visitability Require on-site parking Do not require limits on ADU’s per neighborhood

Research 1 unit per year per 1000 single-family households 1.2 persons per unit Affects on property value: Depends Arvada (2007), Golden (2010), Lakewood (2013)

Proposed Changes Lot and Unit size Occupancy Process

Lot and Unit Size Reduces lot size for Attached units Reduces both lot and unit size for detached units

Lot and Unit Size 1 Whichever is less 2 Limitations on the size of the accessory dwelling unit shall be in conformance with the accessory uses section. * Detached accessory dwelling units are not permitted on lots less than 7,500 sf. Attached UnitDetached Unit Minimum Lot Size Minimum lot size of underlying zone district 1 acre12,500 sf7,500 sf* Maximum Unit Size sf or 40% of primary unit sf or 40% of primary unit sf or 40% of primary unit 1

Occupancy Owner-occupied Properties better maintained if owner lives there

Process Administrative Notification Lot and Building standards

Design Privacy Architecture Height Entrance

Other Minor Changes Parking Subdivision Water and Sanitation Access

Public Outreach Referrals Two Public Meetings HOA meetings

Outstanding comments Fire District approval Hearing process Administrative relief of standards Enforcement of standards

Recent Changes Replace Principal with Primary D.1. – Remove “clearly” and identify units D.2. – Clarify “another single residence” D.2.b.(1) – Clarify residency D.2.b.(2) – Clarify total square feet Table 1 – Add asterisk and superscript D.2.b.(3) – Spell out three Modify Accessory Dwelling Unit Definition

Recommendation Staff recommends that the Planning Commission recommend APPROVAL of these regulation revisions to the Board of County Commissioners