IRS Authorized e-File Provider · Since 2008

Trusted Tax Preparation Since 2008

🛡 IRS e‑File Authorized
📍 Marysville, WA
🕐 7 days/week in tax season
*** I.R.S. NOTIFICATION ***
DIRECT DEPOSIT INFORMATION:

The IRS has made changes to refund processing in accordance with Executive Order 14247. As a result, failure to provide direct deposit information will delay a taxpayer’s refund by at least six (6) weeks. In addition, upon acceptance of the return, the taxpayer will receive IRS Notice CP53E requesting banking information.

30+
Years of Experience
30,000+
Returns Filed & Counting

What We Do

Tax services tailored to you

From simple 1040s to complex multi‑schedule returns — every client gets the same careful attention from an experienced tax professional.

👤
Personal Taxes
1040, ALL forms and ALL Schedules A‑H. Dependent, Earned Income, Education and Residential Energy Credits.
🏢
Corporations & Partnerships
S‑Corp (1120‑S), C‑Corp (1120), and Partnership (1065) returns with K‑1 issuance.
🔄
Amended Returns
Missed a tax form or a tax deduction? We can E‑file 1040‑X amendments.
IRS Audit Representation
You don't face the IRS alone. Power of attorney, notice response, and audit defense.
📈
Tax Planning
Year‑round strategy. Quarterly estimates, withholding tune‑ups, retirement planning.

Hours & Locations

Year‑round support.

Walk in, call, or text — we answer on the same day. Appointments available outside of season by request.

Main Office
📍
Rushmore Tax Service Inc.

Marysville

📍1094 State Ave
Marysville, WA 98270
Affiliate Office
📍
Independent Licensee

Arlington

📍4127 172nd St NE, Suite B
Arlington, WA 98223
Operates independently under a brand licensing agreement. Not owned or operated by Rushmore Tax Service Inc.

2026 Filing Calendar

Mark these dates. We'll handle the rest.

Need an extension? Worried about a deadline? Call us — we file extensions in minutes and keep you penalty‑free.

Employers
26
January 2026
W‑2s & 1099‑NECs must be issued to recipients.
S-Corps & Partnerships
15
March 2026
Form 1120‑S and 1065 returns due (or extension).
Individual Filers
15
April 2026
Form 1040 due. The big one — book early to avoid the rush.
Extended S‑Corp & C‑Corp Filers
15
September 2026
Final deadline for S‑Corp (1120‑S) and C‑Corp (1120) returns on extension — one month before regular extended filers.
Extended Filers
15
October 2026
Final deadline for individual returns on extension.

Why Rushmore

Built for hardworking families. Run by your neighbors.

We’re not a national chain. We’re a local team that knows Washington tax quirks, your industry, and probably your neighbors.

🏆

17+ Years of Experience

Founded in 2008. From 300 returns our first year to over 5,000 today.

🛡

IRS Authorized e‑File

Federal e‑file with secure encryption. Faster refunds, fewer errors.

🎧

Always a Call Away

Real people answer. Text, call, or email — we respond within 24 hours.

👥

Year‑Round Support

Got an IRS letter in July? We're here. No “see you next April” answering machine.

$

Maximize Your Refund

We find every credit and deduction you qualify for — guaranteed.

From Our Clients

Real returns. Real refunds. Real reviews.

★★★★★
“Rushmore has done our annual return for ten years. Tony is knowledgeable, helpful, and professional — he caught a deduction our old preparer missed for years.”
RM
Robert & Carol M.
Marysville, WA
★★★★★
“Walked in cold during my first year as a 1099 contractor. They explained quarterly estimates without making me feel dumb, and got me set up for next year too.”
DK
David K.
Arlington, WA
★★★★★
“I was dreading an IRS notice — Rushmore handled the whole audit response and it was resolved in three weeks. Worth every penny and then some.”
MT
Michelle T.
Everett, WA
IRS
AUTHORIZED
e-FILE

IRS Authorized e‑File Provider

Federally vetted and approved to electronically file returns directly with the IRS — every year since 2008.

🎁

Refer a Friend, Get $25 Off

When they file with us, you both get $25 off your next return. Stack it as many times as you want.

Send a Referral →

Get in Touch

Book an appointment or ask a question

We respond within 24 hours, often same‑day during tax season.