HomeMy WebLinkAboutCA_Density_Worksheet_10302020_v1DEPARTMENT OF COMMUNITY
AND ECONOMIC DEVELOPMENT
DENSITY WORKSHEET
Planning Division
1055 South Grady Way-Renton, WA 98057
Phone: 425-430-7200 | www.rentonwa.gov
1.Gross area of property square feet
2.Deductions: Certain areas are excluded from density calculations.
These include:
Public Streets* square feet
Private access easements* square feet
Critical Areas** square feet
Total excluded area: square feet
3.Subtract line 2 (total excluded area) from line 1 for
net area square feet
4.Divide line 3 by 43,560 for net acreage acres
5.Number of dwelling units or lots planned units/lots
6.Divide line 5 by line 4 for net density = dwelling units/acre
*Alleys (public or private) do not have to be excluded.
**Critical Areas are defined as “Areas determined by the City to be not suitable for
development and which are subject to the City’s Critical Areas Regulations including very high
landslide areas, protected slopes, wetlands, or floodways.” Critical Areas buffers are not
deducted/excluded.
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H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\density.doc Rev: 08/2015