Serving our community since 1950 — trusted tax, audit, accounting, and advisory guidance for individuals, businesses, and families.
The links you need most — your secure document portal, engagement letters, and estimated / balance-due payments.
Review and sign your current-year engagement letter securely online.
Sign Now↗Securely upload, download, and exchange your tax and financial documents.
Log In↗Make an estimated, extension, or balance-due payment to the Franchise Tax Board.
Pay FTB↗Make a federal estimated, extension, or balance-due payment directly to the IRS.
Pay IRS↗The federal filing calendar for calendar-year individuals and businesses. Estimated payment due dates apply whether or not a return is being extended.
4th-quarter estimated tax payment due for the prior tax year (federal & California).
S-corporation (Form 1120-S) and partnership (Form 1065) returns due, or extend to September 15.
Individual (Form 1040) and C-corporation (Form 1120) returns due, or extend to October 15.
1st-quarter estimated payment also due.2nd-quarter estimated tax payment due (note: this is only two months after Q1, per the federal schedule).
Extended S-corporation and partnership returns due.
3rd-quarter estimated payment also due.Extended individual and C-corporation returns due.
| Date | Type | What's Due |
|---|---|---|
| January 15 | Payment | Q4 estimated tax payment (prior year) |
| March 15 | Filing | S-corp & partnership returns (or extend) |
| April 15 | Filing + Payment | Individual & C-corp returns (or extend); Q1 estimated payment |
| June 15 | Payment | Q2 estimated tax payment |
| September 15 | Filing + Payment | Extended S-corp & partnership returns; Q3 estimated payment |
| October 15 | Filing | Extended individual & C-corp returns |
Dates shown are the standard federal deadlines for calendar-year filers and shift to the next business day when they fall on a weekend or holiday; fiscal-year filers and trusts/estates follow a different schedule. Confirm current-year dates at irs.gov or ftb.ca.gov, or contact our office.
At Russ & Allcroft, we provide a comprehensive array of accounting and financial services for individuals and business owners. We believe that choosing an accounting firm is one of the most important decisions an individual or business can make.
As your accounting firm, we provide you with exceptional tax services and planning, auditing and other attest services, as well as accounting services for your business. Most importantly, we are here as your personal advisor whenever you are faced with a decision that will affect your financial future.
We have served our local, national, and international client base since 1950. We are proud that the majority of the people we work with become lifetime clients.
From individual returns to complex fiduciary and business matters, our team provides guidance across every stage of your financial life.
Preparation, planning, and IRS representation that reduce your current and future tax obligations.
Learn More →Financial statement audits, reviews, and compilations delivering high-level assurance.
Learn More →Bookkeeping, payroll, licensing, and compliance support to keep your business running smoothly.
Learn More →A personal advisor in your corner whenever you face a decision that affects your financial future.
Learn More →“We believe that choosing an accounting firm is one of the most important decisions an individual or business can make.”Russ & Allcroft — Our Philosophy