Methodology - Greenbelt Alliance

Appendix A: Place-type Descriptions and DensitiesBuilding Information Job Densities Residential DensitiesOriginal Description(Source: Smart Growth Strategy / Regional Livability Footprint Project)Original Examples(Source: Smart Growth Strategy / Regional Livability Footprint Project)Revised DescriptionAvg.StoriesPlacetypeFloor-AreaRatioNon-ResidentialResidential%%Sq.Ft/ JobJob /AcreUnitSizeCommonAreaDu /Ac1AResidentialVery HighTwenty or more stories of Residential with supportingCommercial.Portions of downtown San Francisco; Portions ofChicago, IL; Manhattan, NYResidential skinny towers with ground-floor retail 25 10.8 5% 95% 400 59 1,500 20% 2381BResidentialHigh1CResidentialMedium-HighEight or more stories of Residential with supportingCommercial.Four or more stories of Residential with supportingCommercial.San Francisco (Golden gateway, South Beach highrise,Pacific Heights/Alta Plaza); Emeryville (PacificPark Plaza)San Francisco (South Beach mid-rise); San Jose (River Residential apartment/condo buildings with groundfloorOaks Village/Montague Expressway area)retailResidential mid-rise with ground-floor retail 9 4.3 5% 95% 400 23 1,000 20% 1424 2.0 5% 95% 400 11 1,000 20% 681DResidentialMediumThree-story average Residential (apartments,townhouses and small-lot single family) withsupporting Commercial zones.Mountain View (The Crossings); San Mateo (Mariner'sIsland); North BerkeleyResidential mix of apartments, town homes and smalllotsingle family with supportive retail3 0.9 5% 95% 450 5 1,200 10% 291EResidentialLowSingle-family developments, some two-story garden Residential areas of Pleasanton, Livermore, Sanapartment developments, with supporting Commercial Ramon, San Jose (Almaden Valley), Menlo Park,centers.Rohnert Park, Novato, FairfieldResidential garden apartments and small-lot singlefamily with nearby commercial centers2 0.6 5% 95% 450 3 1,800 5% 131FResidentialVery LowLarge-lot single family, minimal Commercial.Los Altos Hills, Alamo, Ross, HillsboroughLarge-lot single family homes with minimal supportivecommercial2 0.4 5% 95% 450 2 2,400 0% 71GResidentialRuralResidentialLarge acreage ag-oriented single family (5+ acretypical), minimal Commercial.Pope Valley, Alexander ValleyLarge-acreage agriculture-oriented single family (5acres or more), minimal commercial2 0.0 5% 95% 600 0 2,500 0% 02AA mixedUse increaseHigh-rise mixed-use downtown district tendingresidential (i.e. downtown Chicago/Manhattan)40 21.5 20% 80% 350 536 1,500 20% 4002A MixedUse VeryHighTwenty- or more story Commercial, Office andResidential buildings with many high-rise buildings,highly intermixed. Numerous buildings with Office orResidential over Commercial.Portions of downtown San Francisco; Portions ofChicago, IL; Manhattan, NYHigh-rise mixed-use downtown district tendingresidential (i.e. parts of SOMA in San Francisco)25 12.0 20% 80% 350 299 1,500 20% 2232AB MixedUse AlmostVery HighMid-rise/high rise mixed-use district tendingresidential (i.e. Van Ness Avenue corridor)12 7.2 20% 80% 300 209 1,500 20% 1342B MixedUse HighEight- or more story Commercial, Office andResidential buildings with many high-rise buildings,highly intermixed. Numerous buildings with Office orResidential over Commercial.San Francisco (Van Ness Avenue corridor)Mid-rise mixed-use district tending residential (i.e.San Francisco Mid-Market district)9 4.3 20% 80% 300 125 1,000 20% 1202C MixedUse Medium-HighSix-story average Commercial, Office and Residentialbuildings with some high-rise buildings, highlyintermixed. Numerous buildings with Office orResidential over Commercial.San Francisco (Northern Waterfront/North Beach,Upper Market Street)Six-story average mixed-use tending residential (i.e.San Francisco's Upper Market, Northern Waterfrontdistricts)6 3.5 20% 80% 300 102 1,000 20% 982D MixedUse MediumFour-story average Commercial, Office and Residentialbuildings intermixed or in relative proximity to eachother, including some buildings with Office orResidential over Commercial.Oakland (Piedmont Avenue area, Rockridge); SanMateo (North El Camino Real)Four-story average mixed-use tending residential (i.e.Adeline & San Pablo Avenues in Oakland/Emeryville)4 2.2 20% 80% 350 55 1,000 20% 612E MixedUse LowThree-story average Commercial, Office andSan Mateo (25th Avenue area), Palo Alto (CaliforniaResidential buildings intermixed or in relativeAve area), San Jose (Alameda area), Berkeley (4thproximity to each other, including some buildings with St.), Redwood City (El Camino Real), Sunnyvale (ElOffice or Residential over Commercial.Camino Real), San Francisco (Geary Blvd.)Three-story average mixed-use tending residential(i.e. Berkeley's Fourth Street area or outer Geary Blvdin S.F.)3 1.1 20% 80% 350 27 1,000 10% 34Two-story average Commercial, Office and Residential2F Mixed Use buildings intermixed or in relative proximity to eachVery Low other, including some buildings with Office orResidential over Commercial.Santa Rosa (Railroad Square), Larkspur-San Anselmo(Sir Francis Drake corridor)Two-story average mixed-use tending residential (i.e.Santa Rosa's Railroad Square)2 0.9 20% 80% 350 22 1,200 5% 25