Connecticut Department of Revenue: Tax, Refund, Phone & Login 2026
A practical guide to the Connecticut Department of Revenue Services (DRS) for residents, businesses, employers and tax representatives who need myconneCT login help, income tax filing, refund status, sales tax, withholding, corporation business tax, pass-through entity tax, notices, phone numbers and local Connecticut tax direction.
Quick Answer: Connecticut Department of Revenue Services vs “Department of Revenue”
In Connecticut, the state tax agency is officially called the Connecticut Department of Revenue Services (DRS). Many users search “Connecticut Department of Revenue,” but the official agency name is DRS. It handles Connecticut income tax, sales and use tax, withholding, corporation business tax, pass-through entity tax, tax forms, refunds, payment plans, notices and myconneCT online services.
For individuals
Use DRS for CT-1040 filing, refund tracking, 1099-G amount lookup, estimated payments, payment plans, EITC information, tax calculators and notices.
For businesses
Use myconneCT for registration, tax returns, payments, filing history, sales tax, withholding, corporation tax and secure web messages.
For contact
DRS business hours are Monday through Friday, 8:30 a.m. to 4:30 p.m. Phone options include 860-297-5962 and 800-382-9463.
Connecticut DRS Key Facts for 2026
Use this table before you log in, file, pay, check a refund, register a business or call DRS.
| User question | Connecticut DRS answer | Best next step |
|---|---|---|
| What is the official Connecticut tax agency? | Connecticut Department of Revenue Services, commonly called DRS. | Use portal.ct.gov/DRS for official information. |
| Where do I file, pay or register online? | myconneCT is the DRS online portal to file returns, make payments, view filing history and register your business. | Open myconneCT and choose the correct individual or business action. |
| When is the 2026 income tax deadline? | DRS announced that 2025 Connecticut individual state income tax returns are due April 15, 2026. | File electronically when possible and keep confirmation. |
| How do I check a Connecticut refund? | Use myconneCT Where’s My Refund or call the automated refund system. | Prepare SSN, tax year and exact refund amount in whole dollars. |
| How long do paper refunds take? | Paper returns can take 10 to 12 weeks to process. | Use electronic filing and direct deposit when available. |
| What is the general Connecticut sales tax rate? | The general sales and use tax rate is 6.35% for most goods and taxable services. | Check special rates, exemptions and taxable service rules. |
| Does Connecticut have local sales taxes? | Connecticut does not impose additional local jurisdiction sales taxes. | Still check special state rates for certain goods/services. |
| How do I contact DRS? | Business hours are Monday–Friday, 8:30 a.m.–4:30 p.m. General phone: 860-297-5962 or 800-382-9463. | Have tax type, notice, ID details and filing year ready. |
Connecticut DRS Action Helper: Which Official Page Do You Need?
Choose your situation and this helper points you to the official Connecticut DRS or myconneCT action. It does not collect personal data.
Select a task. The helper will show the official page, what to prepare and the common mistake to avoid.
myconneCT Login: File, Pay, Register, Refund, 1099-G and Secure Messages
myconneCT is the Connecticut DRS online portal to file tax returns, make payments, view filing history and register a business. It also includes Where’s My Refund, 1099-G amount lookup, payment plans, calculators, filing reminders, amended returns, DRS correspondence and secure web messaging.
Use myconneCT when you need to
- File returns and payments online.
- File extensions and estimated payments.
- Check Where’s My Refund.
- Look up 1099-G amount.
- Set up or view individual income tax payment plans.
- Register a new Connecticut business tax account.
- Send secure messages to DRS if you have an active profile.
Login warning
Older Taxpayer Service Center credentials cannot be used for myconneCT. Users must create and log in with myconneCT credentials. For sensitive account issues, use official login recovery or secure messaging rather than sending private tax documents through normal email.
Connecticut Individual Income Tax 2026: CT-1040, Due Date, Online Filing and Payments
Connecticut DRS began accepting individual state income tax returns for the 2025 tax year in January 2026, and the state and federal filing deadline is Wednesday, April 15, 2026. Electronic filing is usually the fastest way to get confirmation and reduce return errors.
| Income tax item | What to know | Action |
|---|---|---|
| Resident return | Connecticut residents generally use CT-1040 for resident individual income tax filing. | Use current DRS forms or myconneCT. |
| Nonresident / part-year resident | Different rules and forms may apply for nonresident or part-year resident income. | Check the nonresident/part-year DRS page. |
| Payment options | DRS supports electronic payments through myconneCT, including ACH debit/direct payment and credit/debit card payments where available. | Keep confirmation numbers with your records. |
| Estimated payments | 2026 estimated income tax payments may be made through myconneCT or by Form CT-1040ES when applicable. | Confirm due dates and required payment amount. |
| Refund direct deposit | Direct deposit is usually faster, but first-time Connecticut income tax filers may receive a paper check. | Verify routing/account information carefully. |
Connecticut Tax Refund Status: Where’s My Refund, Phone Numbers and Delays
For Connecticut income tax refund status, use myconneCT and select Where’s My Refund, or use the automated telephone refund system. You need the Social Security number, tax year and exact refund amount requested, entered as a whole dollar amount.
Before checking refund status
- Have the primary SSN from the return.
- Choose the correct tax year.
- Enter the exact refund amount in whole dollars.
- Allow at least two business days after a direct deposit refund is processed for bank credit.
- For paper returns, allow 10 to 12 weeks before checking aggressively.
Phone refund status
Automated refund status is available at 800-382-9463 for Connecticut calls outside the Greater Hartford calling area, or 860-297-5962 from anywhere. If a paper return was mailed more than 12 weeks ago and there is no refund or correspondence, contact DRS during business hours.
Connecticut Business Tax Registration: DRS vs Secretary of the State
Connecticut business owners often need more than one official office. The Connecticut Secretary of the State handles many business formation and entity record tasks. Connecticut DRS handles state tax registration, sales and use tax, withholding, corporation business tax, pass-through entity tax, filing, payments and account records.
Start with DRS when you need to
- Register a business tax account.
- File and pay sales and use tax.
- File withholding tax.
- File corporation business tax or pass-through entity tax.
- Make business tax payments through myconneCT.
- Send secure web messages about a tax account.
Start with Secretary of the State when you need to
- Form an LLC or corporation.
- Search a Connecticut business entity.
- File business entity records.
- Handle statutory business filings.
- Check registered agent or entity status.
Connecticut Sales and Use Tax: 6.35% General Rate, No Local Sales Tax and Special Rates
Connecticut’s general sales and use tax rate is 6.35% for most goods and taxable services. Unlike many states, Connecticut does not impose additional local jurisdiction sales taxes, but special state rates and exemptions may apply.
| Sales/use tax topic | Connecticut rule to know | User action |
|---|---|---|
| General rate | 6.35% applies to most goods, digital goods and taxable services. | Check whether your item/service has a special rule. |
| Local sales taxes | Connecticut does not impose additional sales taxes by local jurisdiction. | Do not use county/city add-on rates like other states. |
| Computer and data processing | Some computer/data processing services and certain business-use electronically accessed software may have special treatment. | Check DRS service tax guidance before billing. |
| Use tax | If taxable goods or services are used in Connecticut and sales tax was not paid, use tax may be due. | Individuals and businesses should report use tax when required. |
| Sales tax registration | Businesses selling taxable goods or services may need a DRS tax account. | Register through myconneCT before collecting tax. |
Connecticut Withholding Tax 2026: Employers, CT-W4, CT-941 and Electronic Payments
Employers and payers may need to withhold Connecticut income tax and file/pay through DRS. The 2026 withholding guidance includes weekly, monthly and quarterly remitter rules, and DRS states that withholding tax payments must be made electronically.
Employer checklist
- Register the Connecticut withholding account when required.
- Collect CT-W4 information from employees when applicable.
- Use 2026 withholding tax tables and DRS employer guidance.
- File Form CT-941 or other applicable reconciliation forms.
- Submit W-2/1099 information on time.
- Keep payroll records and payment confirmations.
Quarterly withholding dates
DRS lists quarterly periods as Jan.–Mar. due April 30, Apr.–Jun. due July 31, Jul.–Sept. due October 31, and Oct.–Dec. due January 31. Weekly and monthly remitters must follow their assigned schedules.
Connecticut Corporation Business Tax and Pass-Through Entity Tax
C corporations that carry on or have the right to carry on business in Connecticut are generally required to file a Connecticut Corporation Business Tax Return. Groups of commonly owned companies engaged in a unitary business may need combined unitary filing. Pass-through entities may have separate PE Tax rules.
| Business tax area | Who should review it | Important action |
|---|---|---|
| Corporation business tax | C corporations and entities taxed as corporations that carry on business or have the right to carry on business in Connecticut. | Review CT-1120 and current DRS instructions. |
| Combined unitary filing | Commonly owned groups engaged in a unitary business where at least one member is subject to corporation business tax. | Review CT-1120CU requirements. |
| Estimated corporation tax | Corporations whose estimated current year tax exceeds the DRS threshold. | File and pay estimated tax electronically through myconneCT. |
| Pass-through entity tax | Partnerships, S corporations and other qualifying pass-through entities. | Check PE Tax payment and filing rules. |
| Closing a corporation tax account | Businesses dissolved or withdrawn from Connecticut. | Coordinate DRS tax closure with Secretary of the State dissolution/withdrawal steps. |
Connecticut Property Tax: Why DRS Is Usually Not Where You Pay Your Local Bill
Connecticut DRS is the state tax agency, but ordinary property tax bills, assessments, mill rates, local payment questions and many motor vehicle property tax questions are usually handled at the municipal level by the town or city tax collector, assessor or local tax office.
Start locally for
- Real estate property tax bill payment.
- Assessed value or exemption questions.
- Motor vehicle property tax bills.
- Delinquent municipal tax balances.
- Local tax collector payment plans.
- Town/city mill rate questions.
Start with DRS for
- State income tax and refund questions.
- Sales and use tax accounts.
- Business tax registration.
- Withholding and corporation tax.
- State tax notices, payment plans and DRS correspondence.
Connecticut DRS Notice, Bill, Payment Plan, Identity Letter or Audit: What To Do Next
A DRS notice can involve missing returns, refund verification, identity protection, payment balance, penalty, interest, estimated tax, business account mismatch, sales tax, withholding, corporation business tax or audit. Do not ignore a notice, but verify it through official DRS channels before paying or sharing sensitive information.
| Notice type | First thing to check | Best action |
|---|---|---|
| Refund or identity letter | Tax year, requested action, letter details and whether the contact method is official. | Use official DRS or myconneCT instructions. |
| Balance due bill | Tax year, tax type, payment history and penalty/interest details. | Compare with confirmations before paying. |
| Sales tax notice | Filing period, sales tax account, return status and payment records. | Review myconneCT history and respond quickly. |
| Withholding notice | CT-941, W-2/1099 filings, payment schedule and payroll records. | Gather payroll and submission confirmations. |
| Audit or information request | Deadline, tax period and records requested. | Organize documents and consult a qualified tax professional if needed. |
Connecticut DRS Phone Numbers, Hours, Mailing Address and Appointment Help
Use the official DRS contact page for final contact details. Prepare your tax type, notice, year, SSN/ITIN or business ID, refund amount, account type and filing confirmations before calling.
| Need | Official contact detail | Notes |
|---|---|---|
| General DRS phone | 860-297-5962 | Available during DRS business hours. |
| Alternate phone / refund system | 800-382-9463 | Used for Connecticut calls outside Greater Hartford and automated refund access. |
| TTY/TDD/Text Telephone users | 860-297-4911 | DRS notes relay operator instructions for TTY/TDD users. |
| Business hours | Monday–Friday, 8:30 a.m.–4:30 p.m. | In-person meeting window is more limited and by appointment only. |
| Mail / drop box | Department of Revenue Services, 450 Columbus Boulevard, Suite 1, Hartford, CT 06103 | A secure drop box is available at street level at the Hartford location. |
| In-person assistance | By appointment at 450 Columbus Boulevard, Hartford, CT | DRS also offers remote videoconferencing options. |
Connecticut Department of Revenue FAQs
These visible FAQs match the FAQPage schema included below.
What is the official Connecticut Department of Revenue called?
The official state tax agency is the Connecticut Department of Revenue Services, commonly called DRS.
What is the official Connecticut DRS website?
The official Connecticut DRS website is portal.ct.gov/DRS.
What is myconneCT?
myconneCT is Connecticut DRS’s online portal to file tax returns, make payments, view filing history, register a business, check refund status, view 1099-G information and manage tax accounts.
Can I use old Taxpayer Service Center credentials for myconneCT?
No. DRS says Taxpayer Service Center credentials cannot be used for myconneCT. You must create and use myconneCT credentials.
When are 2025 Connecticut income tax returns due in 2026?
Connecticut individual state income tax returns for tax year 2025 are due April 15, 2026.
How do I check my Connecticut tax refund status?
Use myconneCT and select Where’s My Refund, or call the automated refund system at 800-382-9463 or 860-297-5962.
What information do I need to check Connecticut refund status?
You need your Social Security number, the tax year and the exact refund amount requested on your Connecticut income tax return, entered as a whole dollar amount.
How long do Connecticut paper tax returns take to process?
DRS says paper returns can take 10 to 12 weeks to process during filing season.
What is the Connecticut refund phone number?
The automated refund system can be reached at 800-382-9463 for Connecticut calls outside the Greater Hartford calling area or 860-297-5962 from anywhere.
What is the general Connecticut DRS phone number?
General DRS phone options include 860-297-5962 and 800-382-9463.
What are Connecticut DRS business hours?
DRS business hours are Monday through Friday, 8:30 a.m. to 4:30 p.m.
What is the Connecticut DRS mailing address?
The DRS mailing address shown on the official contact page is Department of Revenue Services, 450 Columbus Boulevard, Suite 1, Hartford, Connecticut 06103.
Does Connecticut have a state income tax?
Yes. Connecticut has an individual income tax and residents generally file Connecticut individual income tax returns when required.
What is the general Connecticut sales tax rate?
The general Connecticut sales and use tax rate is 6.35% for most goods and taxable services.
Does Connecticut have local sales taxes?
No. Connecticut does not impose additional sales taxes by local jurisdiction, but special state rates and exemptions can apply.
Where do I register a Connecticut business for taxes?
Use myconneCT and the DRS new business resource center for Connecticut tax registration.
Is Connecticut DRS the same as the Secretary of the State?
No. The Secretary of the State handles many business entity records and filings, while DRS handles state tax accounts, filing, payments and tax notices.
Who handles Connecticut property tax bills?
Most ordinary property tax bills are handled locally by city or town tax collectors, assessors or municipal tax offices, not the normal DRS filing system.
How do employers handle Connecticut withholding tax?
Employers use DRS withholding guidance, myconneCT filing/payment tools and forms such as CT-941 when applicable.
Who files Connecticut corporation business tax?
C corporations that carry on or have the right to carry on business in Connecticut generally must file a Connecticut Corporation Business Tax Return.
What should I do if I received a Connecticut DRS notice?
Read the tax type, year, deadline and requested action. Verify the notice through official DRS channels and respond before the deadline.
Is this website the official Connecticut DRS website?
No. This is an independent informational guide. Use official Connecticut DRS and myconneCT pages for filing, payment, account and legal tax decisions.
Final Recommendation: Use This Page as Your Connecticut DRS Roadmap
Start here to understand the right Connecticut tax path, then complete sensitive actions only through official Connecticut DRS or myconneCT pages. For refunds, use Where’s My Refund with the exact whole-dollar refund amount. For business taxes, keep myconneCT confirmations, registration details, payroll records, sales tax records and DRS letters together.
Last editorial update: June 6, 2026. Verify final filing, payment, refund, account and legal details on official Connecticut DRS pages.