accessory dwelling units

Accessory Dwelling UnitsRegulation UpdatePlanning Commission briefingOctober 8, 2014

AgendaWhat Why How

What is an ADU?Second unit, accessory to main

houseAttached or detached

What is allowed now?1 acre1200 square feet or 40%Attached or detachedFamily member onlyWater and SanitationBoard of Adjustment hearing

Why are we updating? Initiated by Aging Well in Jefferson

County60+ Population will double by

2030Increases housing options

Benefits to Seniors of ADUsMove in with or near family

(Important!)House a caretakerRemain on their property and rent out

home to supplement fixed incomeConvenience (transportation, doctors,

groceries, churches)Delay institutional living (costly to

society)

Community Benefits of ADUsSmart GrowthMaximizes Existing InfrastructureIncreases Rental Options and

Overall Housing SupplySolution for Housing Needs for

Seniors

Opposition to ADUsNeighborhood CharacterProperty ValuesParkingInfrastructure

Research Shows1 unit per year per 1000 single-family

households1.2 persons per unitAffects on property value: DependsArvada (2007), Golden (2010),

Lakewood (2013)

Proposed ChangesLot and Unit

sizeProcess Occupancy

Lot and Unit SizeReduces lot size for Attached

unitsReduces both lot and unit size

for detached units

Lot and Unit Size

1Whichever is less2 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 Unit Detached Unit

Minimum Lot Size

Minimum lot size of underlying zone district

1 acre 12,500 sf 7,500 sf*

Maximum Unit Size2

1200 sf or 40% of primary unit1

1200 sf or 40% of primary unit1

800 sf or 40% of primary unit1

600 sf or 40% of primary unit1

ProcessFrom Hearing

to Over-the Counter

Notification

OccupancyOwner-

occupiedProperties

better maintained if owner lives there

RequirementsWater and Sanitation

Side Notes

CovenantsSenior Exemption

Questions?

Heather Gutherless

303-271-8716hgutherl@jeffco.us

Dennis Dempsey303-271-8734ddempsey@jeffco.

us

Christiana Farrell303-271-8740cfarrell@jeffco.us

Contacts: