Harris County MUD 278 Ad Valorem Taxes rates are based on property values established by the Harris County Appraisal District. The tax rate (below) is per $100 of home value.
To pay your taxes, or to look up your account, go to aswtax.com and use the "Property Search" form. You can also call the Tax Information Line at 281-482-0216, or submit a question through the form on the Contact Us page of this website.
Information about the District required by Section 26.18, Texas Tax Code, created by Senate Bill 2 (also known as the Texas Property Tax Reform and Transparency Act of 2019), is available here:
| Year | Debt Service | Maintenance | Total Tax Rate |
| 2023 | $ 0.390 | $ 0.320 | $ 0.710 |
| 2022 | $ 0.420 | $ 0.340 | $ 0.760 |
| 2021 | $ 0.450 | $ 0.350 | $ 0.800 |
| 2020 | $ 0.590 | $ 0.250 | $ 0.840 |
| 2019 | $ 0.890 | $ 0.000 | $ 0.890 |
| 2018 | $ 0.930 | $ 0.000 | $ 0.930 |
| 2017 | $ 0.980 | $ 0.000 | $ 0.980 |
| 2016 | $ 1.030 | $ 0.000 | $ 1.030 |
| 2015 | $ 1.050 | $ 0.000 | $ 1.050 |
| 2014 | $ 1.090 | $ 0.000 | $ 1.090 |
| 2013 | $ 1.200 | $ 0.000 | $ 1.200 |
| 2012 | $ 1.200 | $ 0.000 | $ 1.200 |
| 2011 | $ 1.200 | $ 0.000 | $ 1.200 |
| 2010 | $ 1.182 | $ 0.000 | $ 1.182 |
| 2009 | $ 1.132 | $ 0.000 | $ 1.132 |