[Ord. 672]
(a)
Partially Developed Blocks. Where some lots or parcels of land in a block are improved or partially improved with buildings, each lot or parcel of land in said block shall have a front yard depth of not less than the average depth of the front yards of land adjoining on either side. A vacant lot or parcel of land, or a lot or parcel of land having more than the front yard depth required in the zone, shall be considered for this purpose as having a front yard of the required depth.
(b)
Key Lots. The depth of the required front yard on the key lots or parcel of land shall not be less than the average depth of the required front yard of the adjoining interior lot or parcel of land and the required side yard of the adjoining reversed corner lot or parcel of land.