Rock Island, Colorado County, Texas Property Taxes
Median Rock Island, TX effective property tax rate: 0.96%, significantly lower than the national median of 1.02%, but lower than the Texas state median of 1.67%. Median Rock Island, TX home value: $45,090. Median annual Rock Island, TX tax bill: $425, $1,975 lower than the national median property tax bill of $2,400.
How are property taxes in Colorado County calculated?
Property taxes in Rock Island, TX are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Rock Island’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rock Island, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Rock Island, Colorado County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.96%
Estimate Property Tax Bill
$433
$402
Ownwell’s Rock Island Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Rock Island with just two data points.
By entering your property's estimated assessed value, our calculator applies Rock Island’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Colorado County.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Rock Island, Colorado County, Texas
Local government entities set property tax rates, which can vary significantly within Texas. Each year, counties estimate the budget needed to provide essential services and divide this amount by the total value of all taxable property within their jurisdiction. This calculation determines the property tax rate. Although votes and laws play a role in setting tax rates and budgets, this is the core process followed annually.
In Rock Island, located in Colorado County, the effective property tax rate is 0.96%, which aligns with the median rate for the entire state of Texas. This is slightly below the national median property tax rate of 1.02%. Comparing this to other cities in Texas and across the U.S., Rock Island’s rate reflects a balanced approach to funding local services. With the national median property tax bill at $2400, residents of Rock Island may find their local tax rate to be relatively manageable. Understanding these rates can help property owners make informed decisions about real estate investments and financial planning.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Rock Island Tax Rate
0.96%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Colorado County Tax Rate
1.13%
Median Effective Texas Tax Rate
1.67%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Rock Island, Colorado County, Texas
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
77470 | 0.20% | 0.40% | 0.96% | 1.51% | 1.54% |
Source: Ownwell
Property Tax Assessment Values Across Rock Island, Colorado County, Texas
When examining property taxes in Rock Island, TX, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Colorado County Appraisal District estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
In Colorado County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Rock Island. For example, the median home price in Rock Island is $45,090, with tax bills ranging significantly across the county. 77470 has the highest median home price at $45,090.
Property Tax Assessment Values Across Rock Island, Colorado County, Texas
Source: Ownwell

$28,530
$172,555
$316,580
Median Rock Island Market Value
$45,090
Median Colorado County Market Value
$111,020
Median Texas Market Value
$247,950
Median United States Market Value
$235,294
Property Tax Assessment Values Across Rock Island, Colorado County, Texas
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
77470 | $8,936 | $21,630 | $45,090 | $97,740 | $196,538 |
Source: Ownwell
Property Tax Bills Across Rock Island, Colorado County, Texas
In Rock Island, located in Colorado County, TX, property tax bills are calculated based on the assessed value of a home, which is determined by the local tax assessor. The median home price in this area is $45,090, significantly lower than the national median. Property taxes are then calculated by applying the local tax rate to this assessed value. The tax bill can vary widely, with the 25th percentile at $156 and the 90th percentile reaching up to $1,832, reflecting differences in property values and tax rates within the region. The median tax bill in this area is $425, which is considerably below the national median property tax bill of $2,400.
For homeowners in Rock Island, high property taxes can be a financial burden. This is where Ownwell can make a significant difference. By providing expert property tax appeal and exemption services, Ownwell helps homeowners reduce their tax liabilities, potentially saving hundreds or even thousands of dollars annually. Our team of professionals ensures that properties are assessed fairly, advocating for the lowest possible tax bills.
Median Rock Island Tax Bill
$425
Median Colorado County Tax Bill
$1,356
Median Texas Tax Bill
$3,971
Median United States Tax Bill
$2,400
Property Tax Bills Across Rock Island, Colorado County, Texas
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
77470 | $94 | $156 | $425 | $768 | $1,832 |
Source: Ownwell
Don't miss the deadline to protest!
Dates | |
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Appeal Deadline | May 15 |
Tax Bill | |
Issued | October 1 |
Due Date #1 | November 30 |
Due Date #2 | June 30 |
Links | |
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Colorado Appraisal District | |
Website | propaccess.trueautomation.com |