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What tool would I use to group many parcels into its own respective group. For example, if parcels A, B , C have group ID of 1 then I would like to have parcels A, B, and C combined into one larger parcel. Is there a tool that does this without me manually digitizing it?

Also, I have another layer called street center lines, and would like the larger parcel to have the street center line as its boundary if it is lying next to a street center line.

Please refer to the images below

https://imgur.com/a/FpA2fQ7

The first photo shows many parcels that have the same ID group.

enter image description here

The second photo shows a close up view of street center lines next to the parcels.

enter image description here

The third photo shows the desired result. Each larger grouped parcel has a boundary that is next to each other.

enter image description here

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To combine features into one larger feature based on the value of a particular field, use a Dissolve operation.

According to the help,

[Dissolve] creates a new coverage by merging adjacent polygons, lines, or regions that have the same value for a specified item.

enter image description here

  • Because the dissolved polygons aren't touching, there may be a need to incorporate a convex/concave hull on the groupings as well to get something close to the desired output. – Fezter Dec 21 '18 at 1:53
  • Ah, I missed that piece. There are some reasonable ideas here: Algorithm to fill the gaps adjacent to parcels. – Andy Dec 21 '18 at 14:25

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