Cities, counties, and special districts run their own tax systems on top of federal and state taxes, and understanding how city taxes work comes down to three main types: income, sales, and property. Roughly 15 states let cities tax income, nearly every state allows some form of local sales tax, and property taxes remain the single largest revenue source for municipalities. The rules change at every jurisdiction line, so a move across town can shift what you owe overnight.
A city cannot invent a tax on its own. Every local taxing power comes from the state, either through the state constitution or specific legislation, and the state also sets ceilings on the rates. That is why one state may authorize municipal income taxes while its neighbor prohibits them entirely, and why you can’t assume the tax structure in one city looks anything like the next. Because their jurisdiction is narrow, city rates are almost always lower than state or federal ones: a city income tax might run 1% to 3%, and a local sales tax add-on is often a fraction of a percent. But the amounts stack when multiple jurisdictions each take a slice.
City Income Taxes
A municipal income tax applies to wages, salaries, and sometimes net business profits earned within a city’s boundaries. About 15 states and the District of Columbia allow them, so most Americans never encounter one. If you live or work in a city that does impose one, it’s withheld from every paycheck alongside federal and state taxes.
Residents Versus Non-Residents
Your obligation depends on two things: where you live and where you work. Residents of a taxing city generally owe city tax on all earned income, even income from a job outside the city. Non-residents typically owe tax only on income earned while physically working inside the city limits. If you live in one taxing city and work in another, you may owe in both places.
To prevent outright double taxation, many cities offer a credit for income taxes paid to another municipality. The credit is usually capped at whatever you would have owed your home city on that income, so you effectively pay the higher of the two rates. Availability depends on whether the two cities have a reciprocal arrangement. Without one, you file returns in both locations and claim the credit yourself on the resident return.
How Withholding and Estimated Payments Work
For employees, city income tax runs through payroll withholding. You fill out a local withholding form (the city equivalent of a W-4), and your employer deducts the amount each pay period and remits it to the local tax authority. If you work in a city where you don’t live, your employer withholds for the work city, and you sort out the credit against your home city when you file.
Self-employed workers don’t have an employer handling this, so they make estimated quarterly payments directly to the city. The process mirrors the federal estimated tax system using Form 1040-ES: you project your annual city liability and pay it in installments through the year.1Internal Revenue Service. 2026 Form 1040-ES Estimated Tax for Individuals If only part of your business activity happens inside the taxing city, you’ll need records that allocate income between inside and outside work.
If You Move Mid-Year
Move into or out of a taxing city partway through the year and you file as a part-year resident. You owe the city’s tax on income earned during the months you lived there, plus tax on any income earned while working inside the city during the months you were a non-resident. Allocation is based on actual days of residency and the income tied to each period, not a simple pro-rata split.
Part-year filings can also trigger residency questions. Cities that audit aggressively look at where you keep a home, where your family lives, where you spend most of your time, and where your business connections sit. Changing a mailing address doesn’t establish a new domicile. If you’re leaving a high-tax city, document the move thoroughly: lease termination dates, utility shutoffs, and the physical relocation of belongings all reduce audit exposure.
Local Sales and Use Taxes
Municipal sales tax is collected by sellers on retail purchases made within city limits, and it stacks on top of state and county rates. A state might charge 4%, the county 1%, and the city another 0.5%, giving you 5.5% at the register. The city’s portion goes into the general fund or is earmarked for specific local projects.
Use Tax
Use tax prevents an obvious workaround: buying things outside the city to dodge the local rate. Purchase a taxable item from a seller who doesn’t collect your city’s sales tax, then bring it back and use it in the city, and you technically owe use tax at the same rate. Enforcement on individual small purchases is rare, but businesses face real compliance obligations on out-of-jurisdiction purchases of equipment, supplies, and inventory.
Remote Sellers and Online Purchases
Before 2018, a business needed a physical presence in a state or city before that jurisdiction could require it to collect sales tax. The Supreme Court’s decision in South Dakota v. Wayfair changed that, ruling that states can require remote sellers to collect based on economic activity alone.2Supreme Court of the United States. South Dakota v. Wayfair, Inc. Most states adopted thresholds modeled on the $100,000 in annual sales or 200 transactions figure from that case, though a growing number have dropped the transaction count and kept only the dollar threshold.3Streamlined Sales Tax. SCOTUS Ruling – South Dakota v Wayfair
Cities typically don’t set their own nexus rules. State-level legislation establishes the economic nexus standard, and once a remote seller meets the state threshold, it must collect the combined rate including any city and county portions. Local rates can vary by delivery address, so sellers shipping into multiple cities need software that maps each destination to the correct combined rate.
Marketplace Platforms
If you sell through Amazon, eBay, Etsy, or a similar platform, you may not need to handle local sales tax collection yourself. Every state that imposes a sales tax has enacted marketplace facilitator laws requiring the platform to collect and remit, including local components, on behalf of third-party sellers. Verify that the platform is handling local collection correctly, especially in jurisdictions where the facilitator’s obligation may not extend to specialized local taxes like lodging or meal taxes.
Hotel, Meal, and Other Local Excise Taxes
Beyond general sales tax, many cities layer targeted taxes onto specific transactions. Hotel or transient occupancy taxes are among the most common, charged as a percentage of the room rate and used to fund tourism promotion, convention centers, or local infrastructure. Rates vary widely, from a few percent in smaller towns to well above 10% in major destinations. Prepared food taxes on restaurant meals and takeout are another frequent add-on, typically 1% to 2% above the standard sales tax rate.
Property Taxes
Property tax is the financial engine of local government. It applies to real property, meaning land and permanent structures, and what you owe depends on two numbers: the assessed value of your property and the tax rate set by overlapping local jurisdictions.
Assessment
The county or municipal assessor’s office assigns a value to every parcel, usually through mass-appraisal techniques that analyze recent sales of comparable properties. The assessed value is often a percentage of estimated fair market value rather than the full amount. That percentage, the assessment ratio, varies by jurisdiction. A home with a market value of $300,000 in a jurisdiction using a 50% assessment ratio would have an assessed value of $150,000. You receive a notice of assessment on a regular cycle showing the current valuation, and that notice is your window to challenge the number.
The Millage Rate
The tax rate is typically expressed in mills. One mill equals $1 of tax for every $1,000 of assessed value. If your local millage is 25 mills and your assessed value is $200,000, your tax bill is $5,000 (25 divided by 1,000, multiplied by $200,000). You’re not paying a single rate: the city, the county, the school district, and possibly a library or fire district each set their own millage, and they all appear as separate line items on one combined bill.
Appealing an Assessment
If the assessed value looks inflated, you can appeal. The process usually begins with an informal meeting at the assessor’s office, where you present evidence that the number is wrong. Good evidence includes recent sales of similar nearby properties, an independent appraisal, or documentation of property conditions the assessor missed, like structural damage or a location next to a noisy highway.
If informal review doesn’t resolve it, you file a formal appeal with a review board, often called a Board of Equalization or Board of Review. Filing fees typically run from under $50 to several hundred dollars. If you lose at the board, you can usually appeal to local courts. Whether it’s worth the effort is arithmetic: estimate how much your bill drops with a lower assessment, multiply by the years before the next reassessment, and compare against the cost of an appraisal and the filing fee.
Homestead Exemptions
Most jurisdictions offer a homestead exemption that reduces the taxable value of your primary residence. The exemption subtracts a fixed dollar amount from the assessed value before tax is calculated. Assessed value of $200,000 with a $25,000 exemption means you pay taxes on $175,000. Enhanced versions often exist for seniors, disabled veterans, and surviving spouses of first responders, with larger reductions or looser income requirements. You generally have to apply; it doesn’t happen automatically when you buy the home.
Special Assessments
A special assessment is a separate charge that can appear on your property tax bill but isn’t technically a tax. It’s a fee levied on properties in a defined area that directly benefit from a specific public improvement, like a new sewer line, sidewalk, or water main. The project cost is divided among benefiting properties, and owners either pay upfront or allow a lien and repay over a set period, often 10 to 20 years.4FHWA – Center for Innovative Finance Support. Special Assessments – An Introduction Assessments survive the sale of the property, so if a previous owner agreed to one and didn’t pay it off, the remaining balance transfers to you.
If Property Taxes Go Unpaid
Unpaid property taxes accumulate interest and penalties, and the jurisdiction eventually places a lien on the property. If the debt remains unresolved, the city or county can pursue a tax foreclosure sale. Timelines vary: some jurisdictions begin foreclosure after one year of delinquency, others wait three years or more. Most states provide a redemption period during which you can pay the overdue taxes plus interest and fees to reclaim the property, but once that window closes, the former owner loses all rights.
Business Taxes Cities Charge Beyond Income and Sales
Cities often impose additional taxes on businesses that operate within their limits, separate from income and sales taxes. These are easy to miss when you’re focused on the big three.
Gross Receipts and Business Privilege Taxes
A gross receipts tax is based on a business’s total revenue with no deductions for expenses, cost of goods sold, or losses. A business that breaks even or loses money still owes the tax on everything it brought in. Rates are typically well under 1%, but they hit high-revenue, low-margin businesses hard. Some cities call this a business privilege tax and structure it as a flat fee plus a graduated rate on revenue. Either way, the tax applies to the right to operate within the city, and you’ll usually need a business license or registration to comply.
Transfer Taxes
When real property changes hands in certain cities, the transaction triggers a local transfer tax on top of any state-level transfer tax. The rate is usually a small percentage of the sale price or a flat amount per increment of value. Not every city imposes one, but where they exist, transfer taxes can be a significant closing cost, particularly on expensive properties. The tax is sometimes split between buyer and seller or assigned entirely to one party by local ordinance.
Deadlines, Penalties, and Audits
City income tax returns generally follow the same April 15 deadline as federal returns, though deadlines for business taxes, gross receipts taxes, and sales tax remittances often fall on different schedules.5Internal Revenue Service. IRS Marks 70th Anniversary of April 15 Tax Filing Deadline Most municipal tax offices accept electronic filing through online portals, with payment by ACH transfer or credit card. Paper filing is still an option; use certified mail if you go that route so you have proof of timely submission.
The biggest compliance headache is finding the right forms. City tax forms aren’t bundled into federal or state tax software by default. You’ll usually visit the municipal finance or revenue department’s website, download the forms, and file separately. Some larger commercial tax platforms support local returns for major cities, but coverage is spotty.
Missing a city tax deadline triggers consequences that look like the federal system but can be harsher in percentage terms. Most municipalities impose a penalty for late filing or late payment plus interest that accrues on the unpaid balance from the original due date. A common structure is a percentage of the tax due for each month or fraction of a month the return is late, with a cap. Some jurisdictions impose a minimum penalty regardless of how small the tax owed, so even a minor oversight can produce a disproportionate charge. Interest rates on unpaid local taxes tend to run higher than what the IRS charges.
If you’ve fallen behind on city taxes you didn’t know you owed, some jurisdictions offer voluntary disclosure agreements. These programs typically limit the look-back period to three or four years of past liability and waive late-filing and late-payment penalties if you come forward before the city finds you. The tax and interest still have to be paid, but penalty relief can be substantial.
A municipal audit begins with a letter identifying the tax type under review and the period being examined. The letter lists documents you need to provide, typically federal returns, W-2s, business ledgers, and sales records.6Internal Revenue Service. Audits Records Request You’ll have a response window, usually around 30 days. If the auditor determines you owe more, you receive a proposed assessment showing additional tax, interest, and penalties, and you can dispute it through internal appeal, then local courts if needed. Residency audits produce most of the friction: if a city concludes you were actually a resident when you claimed otherwise, the difference is between owing tax on all your income versus only what you earned inside the city.
Keep records supporting local tax filings for at least four years from the filing date or the due date, whichever is later. Some municipalities apply longer look-back periods, and voluntary disclosure programs may extend further. Pay stubs showing local withholding, copies of city tax returns, records of estimated payments, property tax bills and assessment notices, and sales tax remittance confirmations are the core documents. Digital copies are fine as long as they’re legible.