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A. One Hundred Grid Block. The one hundred block for street naming and house numbering shall be determined by consulting the official grid map. Grid maps indicating the location of one-hundred block grid lines shall be prepared on one inch equals four hundred feet scale map and made available for use at a later date.

B. Numbering Interval.

1. The assignment of a number to a specific property location shall be determined by measuring distances from the one-hundred block grid lines.

2. A number shall be assigned each space of twenty feet, as measured from the one-hundred block grid line.

3. Measurements shall be taken from the grid line to the main entrance of the building or property for the purpose of assigning numbers.

C. Number Assignment. Number assignment shall be as follows:

1. Even numbers shall be assigned to north and east sides of streets; odd numbers shall be assigned to south and west sides of streets. Determination of street direction, north-south or east-west, can be decided by observing the overall length of a street and noting its general direction. The even and odd numbers shall be assigned consecutively and opposite one another wherever possible. Neither numeric fractions nor alphabetical letters shall be assigned as part of the unique address for stand-alone structures. All quadrant directionals (NW, SW, NE, SE) shall appear only after the street name. There will be no double directionals (e.g., E. Main Street NE). Where a street is prevented from being continuous by a natural barrier the addressing will be broken off at the barrier and continued again at the other side of the barrier consistent with the appropriate 100 grid block on the official grid map as described in Section 12.04.050.

2. Short loops and cul-de-sacs shall be numbered consecutively from that point where they originate and proceeding progressively around the loop or cul-de-sac.

3. Multi-family developments will have each building assigned a numbered address taken from the street each building fronts. Interior streets within multi-family developments will be named and such names will be approved as defined in Section 12.04.040. If the interior street is to remain private then the name will be qualified by designating that street as a Lane as specified in Section 12.04.040.I. Each of the multi-family buildings fronting that interior street will be numbered from said street. Each unit within a multi-family building will also be identified (e.g., 3515 Private Lane SE Unit #101). The unit numbering will be from left to right as seen from facing the building. The first digit of each unit number will indicate on which floor of the building each unit is located (i.e., #101 first floor, #201 second floor, etc.)

4. In large commercial development projects with a single access from a main street and a shared parking lot each building will be individually numbered from the main street. For those projects fronting on intersecting streets each building will be individually numbered from the intersecting street of which it fronts. Each tenant suite within a commercial building will also be identified (e.g., 3515 Main St SE Suite #201). The suite numbering will be from left to right as seen from facing the building. The first digit of each suite number will indicate on which floor of the building each suite is located (i.e., #101 first floor, #201 second floor, etc.)

D. Extension of Grid System. The grid system shall be extended at the rate of ten blocks per mile, or as determined by the grid pattern as shown on the official map. The grid shall increase by one-thousand at section lines, or as shown on the official map. (Ord. 1208 §3, 2003; Ord. 1040 §2, 1996; Ord. 159 §5, 1970).