04/05/2010 Council Packet - Laserfiche WebLink

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• • • Lot Size (s.f.) Accessory Building Area Allowed (s.f.) Percentage of Lot Less than 1.25 Acre Parcel A 10,800 1,200 11.1% Parcel B* 54,014 1,200 2.2% 1.25 to 2.5 Acres Parcel A 54,450 2,020 3.71% Parcel B* 108,464 2,020 1.9% 2.5 to 5 Acres Parcel A 108,900 3,600 3.3% Parcel B* 217,364 3,600 1.7% 5 to 10 Acres Parcel A 217,800 4,200 1.9% Parcel B* 435,164 4,200 1.0% 10 to 20 Acres Parcel A 435,600 5,000 1.1% Parcel B* 870,764 5,000 0.6% 20 Acres or Greater Parcel A 871,200 Unlimited N/A Parcel B ** 1,742,400 Unlimited N/A * Parcel B is 0.10 acres short of reaching the next threshold. * *Parcel B is 40 acres. As is shown above, the percentage of lot area that can accommodate accessory structure varies greatly. At the highest, R -1 minimum lots, are allowed 11.1 % and at the lowest, parcels of 19.9 acres are only allowed 0.6 %. In each level the data shows that a parcel that is just under the next threshold is allowed one half the percentage of the smallest lot within its same level. (With the exception of the lowest threshold which allows any standard lot to have the minimum 1,200 square feet of area.) Staff has identified two possibilities to address the issue of evening out the allowances. The first is allowing a flat percentage for every parcel in the city. If the area allowances currently used are acceptable, the number would have to be at least 3.71% with a minimum of 1,200 square feet. This is tied to the second threshold of the current ordinance (2,020 square feet). This results in a far higher allowance for larger properties, so it would have to be the desire of the city to increase those allowances. Another option with more control over allowances is a stepped percentage system. Under a stepped percentage system each threshold will maintain the current standard allowance as a minimum (or this could be increased if so desired), and then each threshold will have a percentage to allow larger parcels in that threshold to exceed the