Property Tax Inquiries Call 713.290.9700

Williamson County

Williamson County
Local Appraisal District

Property Tax Protection Program™

Williamson county appraisal district

County: Williamson
Street Address: 625 FM 1460 Georgetown, TX 78626-8050
Mailing Address: 625 FM 1460 Georgetown, TX 78626-8050
Phone: 512-930-3787
Website: www.wcad.org
Major Cities: Cedar Park, Florence, Georgetown, Granger, Hutto, Jarrell, Leander, Round Rock, Taylor, Thrall

Williamson County Texas totals 1,134 square miles, with a 2019 population of about 590,551. Adjacent counties include Bell, Milam, Lee, Bastrop, Travis, and Burnet county. The total market value of real property and personal property in Williamson County in 2018 was $156,000,000,000. Williamson County 2018 property taxes are estimated to total $1 million, based on an effective tax rate of 2.4% including homestead exemptions. Williamson County property owners protested the noticed value for 39,630 houses and 18,410 commercial and BPP properties. Williamson County Appraisal review Board appeals were successful for 74% of the owners. Property owner property tax protests in Williamson County results in savings of $28.91 million in 2018, or $498 per account protested. The 2018 budget for the Williamson County was $8,620,000 including 69 employees.





10 Year Trend

Tax Year Residential Property Valuations % Change from prior year Residential Valuations CPI Annual Change CPI
2008 20,956,580,030
2009 21,866,542,508 4.34% 4.3% 2.70% 2.7%
2010 22,172,493,985 1.40% 5.8% 1.50% 4.3%
2011 23,565,667,831 6.28% 12.4% 3.00% 7.4%
2012 24,100,456,226 2.27% 15.0% 1.70% 9.2%
2013 25,499,371,383 5.80% 21.7% 1.50% 10.9%
2014 29,207,424,969 14.54% 39.4% 0.80% 11.7%
2015 33,085,871,586 13.28% 57.9% 0.70% 12.5%
2016 37,408,519,856 13.06% 78.5% 2.10% 14.8%
2017 41,871,931,279 11.93% 99.8% 2.10% 17.3%
2018 46,987,071,771 12.22% 124.2% 1.90% 19.5%


Tax Year Commercial Property Valuations % Change from prior year Commercial Valuations CPI Annual Change CPI
2008 6,884,188,686
2009 11,174,043,095 62.31% 62.3% 2.70% 2.7%
2010 11,232,853,008 0.53% 63.2% 1.50% 4.3%
2011 12,101,160,805 7.73% 75.8% 3.00% 7.4%
2012 12,957,885,561 7.08% 88.2% 1.70% 9.2%
2013 16,664,733,278 28.61% 142.1% 1.50% 10.9%
2014 18,686,284,105 12.13% 171.4% 0.80% 11.7%
2015 20,632,395,127 10.41% 199.7% 0.70% 12.5%
2016 23,918,536,069 15.93% 247.4% 2.10% 14.8%
2017 26,454,305,004 10.60% 284.3% 2.10% 17.3%
2018 29,619,772,261 11.97% 330.3% 1.90% 19.5%

ENROLL TODAY In the Property Tax Protection Program™

Your property taxes will be aggressively protested every year by the #1 property tax firm in the county. If your taxes are not reduced you PAY NOTHING, and a portion of the tax savings is the only fee you pay when your taxes are reduced! Many FREE benefits come with enrollment.

Williamson County Property Tax Appraisal

O’Connor is the leading representative for the Williamson County property owners because:

  • For over 20 years, O’Connor has provided property tax consulting services in the Williamson County and has continuously produced results.
  • O’Connor is the most aggressive property tax consultant.
  • We know the processes and appropriate contacts at Williamson County.
  • Our experience has allowed us to compile sales and unequal appraisal data consistent with the format expected by the Williamson County and the Williamson County Appraisal Review Board.

Why choose O’Connor?

  • We do not charge any fees for market value reductions, unless we reduce your property taxes.
  • We take the fight to the Williamson County for you every year, whether your value is up, down or does not change.
  • We are the nation’s largest property tax consulting firm.
  • For the 2015 tax year, the firm lowered assessed value by more than $1.8 billion, resulting in estimated tax savings of around $49 million* on behalf of its residential and commercial clients. Already increasing in 2016, the firm has filed more than $2.2 billion and 185,000+ protests of assessed value, reducing client taxes by $60 million*.

*Based on average tax rate of 2.7 percent.

Cedar Park, Florence, Georgetown, Granger, Hutto, Jarrell, Leander, Round Rock, Taylor, Thrall homeowners, commercial property owners and business owners hire O’Connor for property tax appeals because of our consistent results and aggressive attitude. Our property tax consultants have the experience in the Williamson County to reduce Cedar Park, Florence, Georgetown, Granger, Hutto, Jarrell, Leander, Round Rock, Taylor, Thrall property tax assessments.

O’Connor is uniquely aggressive and effective in reducing property taxes by:

  • Being an effective taxpayer advocate for change, including introducing unequal appraisal and forcing appraisal districts to provide hearing evidence packages when requested by taxpayers.
  • Achieving almost double the amount of tax savings compared to other commercial property tax consultants.
  • Protesting every property, every year.
  • Preparing for informal and formal hearings at an elite level.
  • Aggressively seeking settlements at the informal hearing process.
  • Aggressively attending and presenting evidence at appraisal review board (ARB) hearings (attending more ARB hearings than the next 10 largest firms combined).
  • Uniquely continuing the appeal process beyond the ARB and assertively coordinating lawsuits for property owners.
  • Pioneering the use of binding arbitration to achieve equitable results for owners of homes and small commercial properties not able to pursue a judicial appeal.
  • Providing contingency fee services to clients regardless of property value as part of our mission to help property owners.

Research Tip: A great resource to search Williamson County commercial property valuations.
They have in depth valuation stats on all commercial properties.

Property Tax Protection Program™ Benefits

  • No flat fees or upfront costs.  No cost ever unless your property taxes are reduced.
  • All practical efforts are made every year to reduce your property taxes.
  • Never miss another appeal deadline.
  • Property taxes protested for you annually.
  • You do not have to accept the appraisal district’s initial guesstimate of value.
  • We coordinate with you regarding building size / condition to avoid excess taxes.
  • Free support regarding homestead exemptions.
  • Some years are good – typically 6 to 7 out of 10 will result in tax reduction for you.
  • The other 3 to 4 years out of 10 we strike out. Most often due to people issues in the hearing process. Some years we get an easy appraiser at the informal; some years someone who is impossible to settle with.
The Residential Property Protection Program™
is powered by O’Connor
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When you submit your enrollment, you understand this is a risk free offer to you. If your taxes are not reduced you PAY NOTHING, and a portion of the tax savings is the only fee you pay when your taxes are reduced.