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Office & Project Administrative Assistant

Munoz Tile and Stone Inc.
Petaluma, CA Part Time
POSTED ON 9/13/2026
AVAILABLE BEFORE 1/10/2027

Part-Time Office & Project Administrative Assistant

Petaluma, CA | 24 Hours/Week | In-Person

We’re looking for a friendly, organized, and dependable Office & Project Administrative Assistant to join our interior design and construction team in Petaluma.

This is a great opportunity for someone who enjoys a mix of office administration, numbers, and project coordination. We’re happy to train the right person on our estimating and project systems.

What you’ll help with:

  • QuickBooks, invoicing, and payroll
  • Construction estimates and job costing
  • Project and office organization
  • Client, vendor, and subcontractor communication
  • General administrative support

We’d love someone who:

  • Has QuickBooks and payroll experience
  • Is bilingual in English and Spanish
  • Is organized, detail-oriented, reliable, and comfortable with numbers
  • Has construction, estimating, or interior design experience — a plus, but not required
  • Is positive, professional, and willing to learn
  • Schedule: Approximately 24 hours per week, in person in Petaluma. More hours can be given as project needs and responsibilities grow.

If you’re looking for a friendly work environment where you can learn, grow, and become an important part of a small team, we’d love to hear from you!

Pay: From $25.00 per hour

Expected hours: No less than 24.0 per week

Work Location: In person

Salary : $25

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