Online tax preparation for Colorado

Tax Preparation Services in Colorado

We prepare your federal and Colorado returns together, for individuals, freelancers, LLCs and corporations. You see the scope and fee before any work starts, and nothing is filed until you approve it.

Rated 4.6 out of 5 in client reviews, with 1,000+ returns filed. Consultations with a US CPA start at $59.

Illustration of a federal Form 1040 behind a Colorado Form DR 0104. Line 1 of DR 0104 is federal taxable income from Form 1040, which is why the two returns are prepared together. DR 0104 is due April 15; Colorado grants an automatic extension to October 15 to file, but at least 90% of the tax must be paid by April 15 to avoid penalties.

What do you need help with?

Five services cover most people and businesses filing in Colorado. Each one starts with a quote, so you know the fee before work begins.

Accounts outside the US? See FBAR, FATCA and PFIC
  • Individual tax returns

    Employees, retirees and households

    Your federal Form 1040 and your Colorado DR 0104, 0104EZ or 0104PN, prepared and reviewed together.Get an individual quote

  • Self-employed and freelance

    1099 contractors and sole proprietors

    Schedules C and SE, business income on your Colorado return, and estimated payments planned for the year ahead.Get a self-employed quoteEstimate your self-employment tax first

  • Business tax returns

    LLCs, partnerships, S corporations and C corporations

    Federal entity returns and K-1s, Colorado DR 0106 or DR 0112, composite returns and the SALT parity election.Explore business tax filing

  • Tax planning and consultation

    A decision, a move or an entity choice

    A 30-minute session with a US CPA on your question, from $59. Useful before you form an entity, move states or change how you're paid.Book a consultation

  • Bookkeeping and accounting

    Businesses that want filing-ready books

    Monthly categorization, reconciliations, catch-up months and financial reports, so year-end filing starts from clean numbers.Explore bookkeeping

Which returns will you file?

Pick the closest fit to see your federal return, your Colorado return, and the other Colorado filing that usually comes with it.

Federal return, IRS

Form 1040

Your annual federal return, with wages, retirement income and investments.

Colorado return, CDOR

DR 0104, 0104EZ or 0104PN

DR 0104 for full-year residents, or the shorter DR 0104EZ if you qualify. Part-year residents and nonresidents add DR 0104PN.

Also watch

Pay 90% by April 15

The filing extension to October 15 is automatic, but at least 90% of the tax must be paid by April 15 to avoid penalties.

These are typical paths, not a filing determination. Elections, ownership, residency and where you earn income can change what you file; your consultation confirms it.

Filing in Colorado: what's different

The rules that most often change a Colorado return, checked against Colorado Department of Revenue (CDOR) guidance on 27 October 2026.

One flat rate of 4.4%

Colorado taxes individual income at a flat 4.4% of Colorado taxable income, which starts from federal taxable income. No temporary rate reduction applies for 2025.

4.4%Flat rateOn taxable income

The same 4.4% rate applies to C corporations and to partnerships and S corporations that make the SALT parity election.

Which Colorado return?

DR 0104
Full-year residents, and the base return for part-year residents and nonresidents.
DR 0104EZ
A shorter form for full-year residents with no Colorado additions, subtractions or credits.
DR 0104PN
Filed with DR 0104 by part-year residents and nonresidents with Colorado-source income.

DR 0104PN prorates the tax so it applies only to income received in Colorado or from Colorado sources.

Key dates for calendar-year filers

  1. Apr 15

    Individuals file DR 0104 and pay at least 90% of the tax. Partnerships and S corporations file DR 0106, including any composite return, and pay any tax owed.

  2. May 15

    C corporations file DR 0112 and pay their Colorado income tax.

  3. Oct 15

    Extended individual returns and extended DR 0106 returns are due. The extension is automatic; no form is needed.

  4. Nov 15

    Extended C corporation returns on DR 0112 are due.

A date that falls on a weekend or legal holiday moves to the next business day. Every extension is automatic and covers filing only; tax is due by the original date.

Starts from federal taxable income

DR 0104 begins with federal taxable income from Form 1040 line 15, so your Colorado figures depend on your federal ones. Above $300,000 of federal AGI, part of the federal deduction is added back.

Periodic report

LLCs and corporations file a periodic report with the Colorado Secretary of State every year, online only. The fee is $25, and it can be filed up to two months before or after the report month without penalty.

Sales tax

The state rate is 2.9%, and local taxes are added. Some home-rule cities run their own sales tax under their own rules. If you sell taxable goods, we confirm your state and local registrations during scoping.

Official sourcesCDOR 2025 DR 0104 filing bookletCDOR 2025 Form DR 0104CDOR due dates and filing extensionCDOR 2025 Form DR 0106CDOR 2025 Form DR 0112CDOR SALT parity election DR 1705Secretary of State business feesCDOR sales tax return DR 0100

Accounts or assets outside the US?

US taxpayers with foreign bank accounts, investments or non-US funds can have three separate reporting duties: the FBAR, Form 8938 and Form 8621 for PFICs. Each has its own rules, and filing one doesn't satisfy another.

FBAR compared with Form 8938 and Form 8621 for PFICs
FBARFinCEN Form 114Form 8938FATCA reportingPFICForm 8621
Filed withFinCEN, electronically through the BSA E-Filing System. Not part of your tax return.The IRS, attached to your income tax return.The IRS, attached to your income tax return, with a separate form for each PFIC.
Who it coversUS persons, including citizens, resident aliens and domestic entities, with foreign financial accounts.Specified individuals and certain domestic entities with specified foreign financial assets.US persons who hold shares, directly or indirectly, in a passive foreign investment company.
Threshold if you live in the USAccounts total more than $10,000 at any time in the year.Single: over $50,000 at year-end or $75,000 at any time. Joint: over $100,000 or $150,000.No general minimum. A $25,000 exception ($50,000 joint) can apply when there were no distributions, gains or elections to report.
DueApril 15, with an automatic extension to October 15.With your tax return, including extensions.With your tax return, including extensions.

A PFIC is a foreign corporation with at least 75% passive income or at least 50% passive assets. Many mutual funds and ETFs registered outside the US, including Indian mutual funds, can qualify, so we check each holding. Form 8938 thresholds are higher if you live abroad. Sources: IRS comparison of Form 8938 and FBAR requirements, IRS instructions for Form 8621.

How it works

Four steps, all online. You can stop after the second one if the fee doesn't suit you.

  1. Tell us what you need

    Pick a service, or describe your situation and we'll point you to the right one.

    No documents needed yet

  2. Confirm scope and fee

    A short call maps your federal and Colorado returns, entities and any other states.

    Fee agreed up front

  3. Share documents securely

    Upload W-2s, 1099s, statements and prior returns to your encrypted workspace instead of email.

    Access limited to your team

  4. Review, sign and file

    Your expert prepares and reviews the returns and walks you through them.

    Nothing is filed until you sign

One team for your federal and Colorado returns, fully online, with the fee agreed before any work starts.

Client rating
4.6/5
Returns filed
1K+
CA and CPA experts
30+
Serving clients since
2019

Savetaxs internal records, Jan 2023 to Sep 2026. Ratings from client reviews.

Hatim Dudhiyawala

US Certified Public Accountant

IRS PTIN
P03362186
Experience
5+ years
Practice
US tax filing, compliance and planning
  • Encrypted documents. Access is limited to your assigned expert and authorized team.
  • Clear scope. You see the recommended service and fee before you proceed.
  • Online by design. Video or phone consultations, flexible across time zones.
Meet our tax experts

Know the fee before you commit

A consultation has a fixed price. Filing and bookkeeping are quoted for your situation, because a single W-2 return and a multi-owner S corp are different jobs.

Tax consultation with a US CPA

from $59one-time, 30 min

For a specific question, a move, an entity decision or a second opinion. Book a consultation

Tax preparation and filing

Quotedper return

Depends on your forms and schedules, the states you file in, your entity type and the condition of your records.

Bookkeeping and accounting

Quotedmonthly

Based on transaction volume, number of accounts and any catch-up months.

Consultation fees are separate from filing and bookkeeping fees.

Request a filing quote

A few details. No documents or tax IDs.

Filing as

Preselected for this page. Change it if you live elsewhere.

Please don't enter Social Security numbers, ITINs or tax documents here. Documents are shared later through your encrypted workspace.

Questions about filing in Colorado

Something specific to your situation? Ask a US CPA in a 30-minute consultation.

Can Savetaxs prepare both my federal and Colorado returns?

Yes. We prepare federal returns for individuals and businesses together with the matching Colorado returns: DR 0104, 0104EZ or 0104PN for individuals, and DR 0106 or DR 0112, including composite returns and the SALT parity election, for businesses. Your consultation confirms which returns apply to you.

The work is done online, by video or phone, with documents shared through an encrypted upload.

Do I need to request an extension for my Colorado individual return?

No. The Colorado Department of Revenue grants an automatic six-month extension to October 15, with no form to file. It extends the time to file, not to pay. At least 90% of the tax must be paid by April 15 to avoid penalties, and any remaining balance accrues interest. Payments can be made through Revenue Online or with the extension payment form, DR 0158-I.

I moved to or from Colorado this year. Which form do I file?

Part-year residents file DR 0104 with DR 0104PN, which prorates the tax to income received while living in Colorado or from Colorado sources. Nonresidents with Colorado-source income file the same pair. Other states may need their own returns, and we map each one during scoping.

Does my single-member LLC file its own Colorado income tax return?

No, not if it is disregarded for federal purposes. The Colorado Department of Revenue treats LLC income the same way as your federal return, so the income goes on the owner's DR 0104. The LLC still files a periodic report with the Colorado Secretary of State every year, with a $25 fee.

What is Colorado's SALT parity election?

A partnership or S corporation can elect each year to pay Colorado income tax at the entity level, at 4.4%, instead of passing the tax through to its owners. The election is made on the DR 0106, on DR 1705, or with an estimated payment on DR 0106EP, and it binds the entity and all owners. For 2025 it is irrevocable.

An electing entity makes quarterly estimated payments when its tax from the election exceeds $5,000. Whether it helps depends on the owners' federal position, which we review during scoping.

How is pricing determined?

A consultation with a US CPA starts at $59. Filing is priced per return, based on forms and schedules, the number of states, your entity type and the condition of your records. Bookkeeping is priced on monthly volume. You see the fee before you proceed.

I have bank accounts or mutual funds outside the US. What do I need to file?

Possibly one or more of three forms. The FBAR (FinCEN Form 114) applies when your foreign financial accounts total more than $10,000 at any time in the year, and it is filed with FinCEN, not with your tax return. Form 8938 has higher thresholds and is attached to your income tax return. Filing one does not replace the other.

If you own shares in a non-US mutual fund or other passive foreign investment company (PFIC), Form 8621 may also be required for each fund. See our foreign asset reporting service.

Start with a 30‑minute consultation.

Talk through your federal and Colorado filings with a US CPA, get a clear scope and fee, then decide.