Solved! Go to Solution.
<def name="NormalAddress"><alt selector="supportsWeightedHouseNumber"><elt ref="House" weight="15"/><elt ref="FullStreetName" weight="60" pre_separator="required" separator_list=".,;-"/><elt ref="OptionalUnit" weight="0"/></alt>
If you would like to see the geocoding in 10.x improved to include the house number matching like in 9.x, you can vote for the following idea:
http://ideas.arcgis.com/ideaView?id=087E000000059oLIAQ
There's also some discussion about this issue in this post:
Re: Locator won't match close street number in single address locator
Dan