State Payroll Tax Registration: Forms, Fees, and Timelines by State

Payroll tax registration is not a uniform national process. Every state runs its own portals, requires its own forms, charges its own fees, and follows its own timelines. A software company hiring remote employees in three new states may face three entirely different registration workflows in the same week. This guide provides a state-by-state reference for the eighteen largest states by population, covering the forms, fees, and timelines you should expect, plus the structural quirks that cause the most registration failures. Use it as a planning tool before your next out-of-state hire.

How to Use This Guide

This guide covers the eighteen states most commonly encountered by multi-state employers: California, New York, Texas, Florida, Illinois, Pennsylvania, Ohio, New Jersey, Virginia, Maryland, Massachusetts, Washington, Georgia, North Carolina, Michigan, Minnesota, Colorado, and Arizona. For each state we list the withholding account form and agency, the SUI account form and agency, the typical new employer SUI rate, the SUI wage base, and structural notes such as whether the state combines registration or splits it across agencies. The data reflects publicly published agency guidance as of the most recent annual updates.

Always verify current requirements directly with the state agency before filing, because form numbers, processing times, and rate schedules change annually. Primary sources include each state's Department of Revenue, Department of Labor or workforce agency, the IRS employer tax page for federal linkage, and the American Payroll Association's state profiles. The information in this guide is a starting point for planning, not a substitute for confirming the current form version on the day you file.

State-by-State Reference Table

California

Withholding account: California Employer Payroll Tax Account Number, issued by the EDD through the e-Services for Business portal. Combined with SUI, ETT, and SDI in one registration. Processing time: five to seven business days online. SUI rate: new employer approximately 3.4%, range 1.5% to 6.2%. SUI wage base: $7,000. Notes: combined registration is one of the most efficient in the country; foreign-entity registration with the Secretary of State adds one to two weeks.

New York

Withholding account: Form DTF-17, filed with the NY Department of Taxation and Finance. Processing time: two to four weeks. SUI account: Form IA 5, filed separately with the NY Department of Labor. Processing time: three to five weeks. SUI rate: new employer approximately 4.1% (varies by industry). SUI wage base: $12,000. Notes: New York separates withholding from SUI across two agencies, a common registration gap. Foreign-entity registration (Application for Authority) with the Department of State adds two to three weeks. NYC resident tax and Yonkers surcharge require no separate registration.

Texas

Withholding account: not applicable — Texas does not levy a state income tax. SUI account: Form C-1, Employer Status Report, filed with the Texas Workforce Commission. Processing time: two to three business days online. SUI rate: new employer approximately 1.6% to 2.7% depending on industry, range 0.31% to 6.31%. SUI wage base: $9,000. Notes: Texas franchise tax (margin tax) is a separate registration through the Comptroller. Texas is the only state where employer workers compensation participation is technically optional, though coverage is strongly recommended.

Florida

Withholding account: not applicable — Florida does not levy a state income tax. SUI account: Form RTS-1, filed with the Florida Department of Revenue. Processing time: two to three business days online. SUI rate: new employer approximately 2.7%, range 0.1% to 5.4%. SUI wage base: $8,000. Notes: Florida calls its unemployment program "reemployment tax." Foreign-entity registration with the Division of Corporations is processed quickly, usually within one week.

Illinois

Withholding account: Form UI-1, filed with the Illinois Department of Employment Security. Illinois combines income tax withholding and SUI registration on a single form. Processing time: two to four weeks. SUI rate: new employer approximately 3.525%, range 0.525% to 6.4%. SUI wage base: $13,271. Notes: Illinois income tax is a flat 4.95% on federal taxable income for individuals. No separate local income taxes.

Pennsylvania

Withholding account: Form PA-100, Enterprise Registration, filed jointly with the PA Department of Revenue and Department of Labor and Industry. Processing time: two to three weeks. SUI rate: new employer approximately 3.7490% for non-construction. SUI wage base: $10,000. Notes: PA-100 is a true combined registration. Local earned income taxes administered by regional tax collectors (Berkheimer, Keystone, Jordan) require separate registration for each locality where employees work.

Ohio

Withholding account: Form IT 1, filed with the Ohio Department of Taxation. Processing time: two to three weeks. SUI account: Form UCO-1S, filed with the Ohio Department of Job and Family Services. Processing time: two to four weeks. SUI rate: new employer approximately 2.7%, range 0.3% to 9.2%. SUI wage base: $9,000. Notes: Ohio operates a monopolistic state fund for workers compensation — the Ohio Bureau of Workers' Compensation. School district income taxes are administered by the Department of Taxation and require separate withholding registration for each school district where employees reside.

New Jersey

Withholding account: Form NJ-REG, filed with the NJ Division of Revenue and Enterprise Services, followed by Form CB-1 with the Department of Labor and Workforce Development. Processing time: three to five weeks. SUI rate: new employer approximately 3.2% to 3.8% depending on industry. SUI wage base: $42,300 (one of the highest in the country). Notes: New Jersey separates withholding registration from SUI registration, creating a common registration gap. Workers compensation coverage is mandatory for all employees with no minimum employee threshold.

Virginia

Withholding account: Form R-1, combined with SUI registration through the Virginia Employment Commission and Department of Taxation. Processing time: two to three weeks. SUI rate: new employer approximately 2.49%, range 0.16% to 6.27%. SUI wage base: $8,000. Notes: Virginia offers online registration through VATAX Online Services for most tax types. No local income taxes.

Maryland

Withholding account: Form CLR-1, Combined Registration, filed with the Comptroller of Maryland. Processing time: two to three weeks. SUI account: Form DLLR/DUI 15, filed with the Maryland Department of Labor. Processing time: three to four weeks. SUI rate: new employer approximately 2.6%, range 0.3% to 7.5%. SUI wage base: $8,500. Notes: Maryland's local income tax — the county tax — is administered by the Comptroller and requires no separate registration. The combined CLR-1 covers withholding but not SUI; the SUI application is a separate step.

Massachusetts

Withholding account: Form TA-1, filed with the MA Department of Revenue through MassTaxConnect. Combined with SUI registration. Processing time: two to three weeks. SUI rate: new employer approximately 2.442%, range 0.86% to 11.99%. SUI wage base: $15,000. Notes: Massachusetts issues one employer account number covering withholding and SUI. Paid Family and Medical Leave (PFML) contributions are administered separately through the Department of Family and Medical Leave.

Washington

Withholding account: not applicable — Washington does not levy a state income tax. SUI account: Form 7000-025, Employer Registration, filed with the Washington Employment Security Department. Processing time: two to three business days online. SUI rate: new employer approximately 2.7% to 3.4% depending on industry, range 0.13% to 6.22%. SUI wage base: $69,300 (one of the highest in the country). Notes: Washington operates a monopolistic state fund for workers compensation — the Department of Labor and Industries. Paid Family and Medical Leave premiums are administered separately.

Georgia

Withholding account: Form G-100, filed with the GA Department of Revenue through the Georgia Tax Center. Combined with SUI registration. Processing time: two to three weeks. SUI rate: new employer approximately 2.64%, range 0.04% to 8.10%. SUI wage base: $9,500. Notes: Georgia issues a single withholding account number. SUI is administered by the Georgia Department of Labor and may require a separate application despite the combined portal. No local income taxes.

North Carolina

Withholding account: Form NC-BN, filed with the NC Department of Revenue. Combined with SUI registration. Processing time: two to three weeks. SUI rate: new employer approximately 1.0%, range 0.06% to 5.76%. SUI wage base: $32,700. Notes: North Carolina issues one employer account number covering withholding and SUI. The state reformed its SUI system in 2024, lowering the wage base from the prior $30,200. No local income taxes.

Michigan

Withholding account: Form 547, Registration for Michigan Taxes, filed with the MI Department of Treasury. Combined with SUI registration. Processing time: two to three weeks. SUI rate: new employer approximately 2.7%, range 0.06% to 10.30%. SUI wage base: $9,500. Notes: Michigan issues one Treasury account number covering withholding and SUI. Some Michigan cities impose local income taxes (Detroit, Grand Rapids, Lansing), administered by the city, requiring separate registration.

Minnesota

Withholding account: Form WM-1, combined with SUI registration through the MN Department of Revenue and Department of Employment and Economic Development. Processing time: two to three weeks. SUI rate: new employer approximately 1.0% to 3.0% depending on industry, range 0.05% to 9.13%. SUI wage base: $42,000. Notes: Minnesota issues a single state employer ID for withholding and a separate UI employer account number for SUI, despite the combined application. No local income taxes.

Colorado

Withholding account: Form CR 0100, filed with the CO Department of Revenue. Combined with SUI registration. Processing time: two to three business days online. SUI rate: new employer approximately 1.7%, range 0.27% to 5.07%. SUI wage base: $23,200. Notes: Colorado's combined registration through Revenue Online Service is one of the faster in the country. Some Colorado cities impose local occupational privilege taxes (Denver, Aurora), which are flat per-employee-per-month taxes administered by the city. Paid Family and Medical Leave premiums begin in 2026 through the FAMLI program.

Arizona

Withholding account: Form A1-R, filed with the AZ Department of Revenue through AZTaxes.gov. Combined with SUI registration. Processing time: two to three weeks. SUI rate: new employer approximately 2.0%, range 0.08% to 20.93% (highest maximum in the country due to experience rating). SUI wage base: $8,000. Notes: Arizona issues a single Withholding Tax Account Number. SUI is administered by the Arizona Department of Economic Security. No local income taxes.

States with Combined Business Registration

Several states have invested in unified business registration portals that consolidate multiple tax types in a single application. California's e-Services for Business portal is the most comprehensive, covering withholding, SUI, ETT, and SDI in one application with one Employer Payroll Tax Account Number. Texas consolidates franchise tax, sales tax, and other tax types through the Comptroller's Webfile system. Colorado's Revenue Online Service combines withholding and SUI. Virginia's VATAX Online Services handles most tax types. Minnesota combines the application but issues separate account numbers. The advantage of combined registration is faster processing and a single point of contact; the risk is assuming SUI is covered when it is not — even in combined-portal states, the workforce agency sometimes issues a separate UI account number, and you should verify both numbers have been received before running payroll.

States with Separate Registrations

New York and New Jersey are the two states most known for separate agency registration. In New York, withholding registration goes to the Department of Taxation and Finance while SUI registration goes to the Department of Labor. The two agencies do not share application data, so you must complete both applications independently. In New Jersey, the Division of Revenue and Enterprise Services handles withholding registration while the Department of Labor and Workforce Development handles SUI. Maryland, Ohio, and Pennsylvania also split withholding from SUI across two agencies, although Maryland and Pennsylvania offer combined application forms that route to both agencies. The takeaway for employers: confirm in advance whether your state combines or splits, and create a separate calendar entry for each agency's expected response time.

Common Filing Fees

Most states do not charge a fee for the payroll tax registration itself. The cost comes from foreign-entity registration, which is required in nearly every state for out-of-state corporations and LLCs. Filing fees typically range from $50 in states like Kentucky and Mississippi to $500 or more in California, Massachusetts, and Texas. Some states also impose an initial franchise tax or minimum tax at registration — California's $800 minimum franchise tax is the most well-known example, due annually from the second year forward. Registered agent fees add another $50 to $300 per year per state, because foreign entities must appoint an in-state registered agent for service of process. For budgeting purposes, assume $500 to $2,000 in setup costs per state in addition to any premium or franchise tax obligations.

Workers Compensation State Funds

Four states operate monopolistic state funds where private workers compensation policies are not permitted. Ohio, Washington, Wyoming, and North Dakota require all employers to purchase coverage directly from the state fund. Several other states operate competitive state funds that compete with private insurers, including California's State Compensation Insurance Fund and New York's State Insurance Fund. The practical implication is that registration in monopolistic states requires an additional step — opening an account with the state fund — while registration in competitive-fund states simply requires proof of coverage from any authorized source.

Local Tax Registrations

Local income tax registrations are the most overlooked part of multi-state payroll. Pennsylvania has more than 3,000 local earned income tax jurisdictions, each administered by a regional tax collector such as Berkheimer, Keystone Collections, or Jordan Tax Service. Employers must register with each collector where employees work or reside, depending on the locality's rules. Philadelphia administers its own wage tax through the Philadelphia Department of Revenue and requires a separate Business Tax Account Number. New York City resident tax is administered by the state and requires no separate registration; Yonkers taxes are also handled through the state account. Maryland county tax is administered by the Comptroller and requires no separate registration. Indiana county tax is administered by the Department of Revenue and requires designation of the resident and non-resident county on the state withholding form. Ohio school district income tax is administered by the Department of Taxation but requires separate withholding registration for each school district.

Timelines Cheat Sheet

The fastest states for employer registration are Texas, Florida, Washington, and Colorado, all at two to three business days. These states have invested in modern online portals with automated account number assignment. California follows at five to seven business days for the combined EDD portal. Most other states process online applications in two to three weeks. The slowest states — New York, New Jersey, Illinois, and Massachusetts — commonly take four to six weeks because of paper-based processes, foreign-entity review, and agency backlogs. Build registration lead time into your hiring timeline, and for a New York hire plan to begin registration at least six weeks before the intended start date.

Common Registration Mistakes

The most common mistake is using the wrong form. State agencies periodically revise forms, and using a superseded version delays processing — always pull the current form from the agency website on the day you file. The second most common mistake is not registering for SUI, particularly in states that combine applications. The third most common mistake is forgetting local tax registration, particularly in Pennsylvania where local earned income taxes are administered regionally. The fourth most common mistake is using the wrong entity type or entity name on the application, which creates mismatched records across agencies and complicates future filings. Pull your formation documents and IRS EIN letter and match the entity type exactly.

A Printable Checklist

Use this checklist for every new state registration. Print it, complete it, and file it in your entity compliance folder as documentation that every step was completed.

• Verify whether the state combines or splits withholding and SUI registration
• Complete foreign-entity registration with the Secretary of State (or equivalent) if required
• File withholding account application with the state Department of Revenue
• File SUI account application with the workforce agency (if separate)
• Confirm both account numbers received in writing
• Receive new-employer SUI rate notice and verify rate
• Register for local income tax if applicable (PA locals, Philadelphia, OH school districts, IN counties, MI cities, CO occupational privilege, MD counties)
• Secure workers compensation coverage (private insurer, competitive state fund, or monopolistic state fund)
• Enroll in the state New Hire Directory
• Appoint a registered agent in the state (for foreign entities)
• Configure payroll system with all account numbers, rates, and wage bases
• Calendar quarterly and annual filing deadlines
• Document the full registration timeline and store all confirmation letters

What to Do Next

Audit your current registration footprint before your next out-of-state hire. List every state where each employee performs services and confirm you have active withholding and SUI accounts in each. For any gaps, begin registration immediately and document the timeline. If you anticipate adding employees in three or more new states in the next twelve months, request quotes from at least two PEOs so you have a cost benchmark. Once your registrations are clean, run our multi-state withholding calculator to verify your first paychecks in each state calculate correctly — it handles every state's brackets, reciprocity, and local taxes in a single pass.