Amended Returns (1040-X) in San Mateo, CA
Fix a filed return — missed credits, wrong status, forgotten income.
Who needs this
Anyone who filed and later found an error or missed a credit.
What it costs
Usually a fraction of the original prep fee; refunds generally must be claimed within 3 years.
The San Mateo picture
San Mateo taxpayers filed 69,320 returns at an average AGI of $215,890. Self-employment runs high here — 18.8% of returns include Schedule C income, which raises both complexity and the value of good help.
FAQ
How much does amended returns (1040-x) cost in San Mateo?
Usually a fraction of the original prep fee; refunds generally must be claimed within 3 years.
Who needs amended returns (1040-x)?
Anyone who filed and later found an error or missed a credit.
How many providers serve San Mateo?
The IRS lists 315 credentialed preparers in San Mateo, CA — 136 CPAs, 59 enrolled agents, and 4 tax attorneys.
Local providers
IRS PTIN data · informational, not an endorsement · see all
YOKE CHEN ABIDOG
CPA
NOVA BUSINESS & IMMIGRATION
SRTP
(415) 515-8608
LIBERTY TAX
SRTP
4152163443
ALVARADO TAX & ACCOUNTING SVCS
SRTP
650-347-7016
WILLIAM AMSBARY
CPA
714-200-4838
ANDERSEN MCKUNE & ASSOCIATE
CPA
(650) 574-1785
Intera Tax, Inc.
EA
(650) 416-4397
Osama Abulebdeh
EA
(415) 424-5806
Louise Aiello
CPA
(650) 653-2419