San Marcos IRS Office
1 Civic Center Dr., San Marcos, CA - 92069
(760) 736-7355
Contact & Map
About This Office
Work Hour: 8:30am - 4:30pm
*This TAC opens at 10:30 a.m. 12/20 & 1/17/2025*
Services Provided
- Account inquiries
- Basic individual tax law assistance
- Check, money order, or cash payments (Exact Change is Required)
- Departing alien clearances
- Form 911 PDF, Request for Taxpayer Advocate Service Assistance
- Form 2290, Heavy Highway Vehicle Use Tax Return
- Identity Protection Personal Identification Number Request
- Individual Taxpayer Identification Numbers and Form W-7 (More Information)
- Payment arrangements
- Tax forms
IRS Tax Form Category
