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Williamson County Annex
One of 16 government office listings in Round Rock.
About Williamson County Annex
Williamson County Annex is a government office in the public service and government sector, based in Round Rock, TX. Its recorded address is 1801 E Old Settlers Blvd, 78664-1800. The listing includes a telephone number, an official website, an email address. It is one of 16 government office listings tracked in Round Rock; the nearest comparable listing is Tx DFPS, about 2.4 km away. Williamson County Annex has 3 listed locations in total; this page covers the Round Rock branch.
- Address
- 1801 E Old Settlers Blvd, Round Rock, TX, 78664-1800
- Phone
- +15129431100
- Website
- wilco.org
- wcaor@wcaor.org
- Social
Questions
Where is Williamson County Annex located?
1801 E Old Settlers Blvd, Round Rock, TX, 78664-1800
How do I contact Williamson County Annex?
+15129431100 · http://www.wilco.org/countydepartments/taxassessorcollector/locationscontacts/tabid/1931/language/en-us/default.aspx
What type of business is Williamson County Annex?
Williamson County Annex is a government office (public service and government) in Round Rock.
Williamson County Annex branches
Williamson County Annex has 3 listed locations. This branch is in Round Rock.
- Cedar Park78613-2253
- Round Rock78664-2175
Nearby government office
- Tx DFPSRound Rock2.4 km
- Round Rock City of Transportation Services Water & Wastewater Utility Environmental ServicesRound Rock2.5 km
- Williamson County AnnexRound Rock2.5 km
- City of Round Rock Brush Recycling CenterRound Rock2.6 km
- County Commissioner Russ BolesRound Rock2.7 km
- Round Rock Public Safety Training CenterRound Rock2.7 km
- John Carter for CongressRound Rock3.2 km
- City of Austin, TXRound Rock3.1 km
- City Of Round Rock EslRound Rock3.8 km
- Round Rock City HallRound Rock3.8 km
- Williamson County Driver License OfficeGeorgetown4.9 km
- Texas Department of Public SafetyGeorgetown4.9 km
- Round Rock Armory National GuardRound Rock4.6 km
- Brush Recycling CenterRound Rock5.3 km
- Deepwood Recycling Drop OffRound Rock5.4 km
Cite this page
“Williamson County Annex, Round Rock — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.