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Interior design workspace with creative tools
Certificate of Completion

Avocational Certificate Course

Duration

12 weeks (3 months)

Units

Not for Credit*

Tuition

$2,400

Accreditation

ACCSC

*Students transferring to the AA at IDI receive 8 quarter credit units.

Overview

About the Avocational Certificate Course

Twelve weeks. One decision. A whole new creative direction. This is where your design instinct meets real skill — fast. Tour Southern California's most coveted design centers with insiders who know every showroom by heart. Hear from guest designers who've built the rooms you've bookmarked. Whether you're redesigning your own home or testing the waters before diving deeper, this is your launchpad.

Schedule

May 11, 2026 – July 30, 2026. In-person: Tues & Wed 9AM-11:30AM OR Tues & Thurs 9AM-11:30AM, Tues 6pm-8:30pm Studio. Online: Tue & Thurs 6PM-8:30PM.

Quick Facts

Degree
Certificate of Completion
Duration
12 weeks (3 months)
Credit Units
Not for Credit*
Online Option
Available

Curriculum

Lectures & Studios

The Certificate Course includes lecture sessions and hands-on studio workshops.

Lecture Topics

  • 1Beautiful Kitchens
  • 2The Luxury Bathroom
  • 3Great Windows and Walls
  • 4Magic of Color
  • 5The Natural and Healthy Home
  • 6History of the Chair
  • 7Outdoor Spaces
  • 8The High-Tech Home
  • 9Indoor Plantscaping
  • 10Design Resources
  • 11Floors That Rock
  • 12Home Staging
  • 13Principles & Elements of Design
  • 14Planning the Space
Field Trip Stonemill Design Center
Field Trip Laguna Design Center

Studios

  • 1Tools and Equipment
  • 2Drafting and Spaceplanning
  • 3Color Systems and Solutions
  • 4Furniture Specifications
  • 5Textile Specifications
  • 6Concept Development
  • 7Finalizing the Concept
  • 8Design Concept

Tuition & Fees

Cost Breakdown

All charges are clearly outlined below. Financial aid may be available for qualifying students.

Total Charges

Tuition

$2,400

Registration Fee (non-refundable)

$95

Books & Supplies (Estimated)

$300

STRF Fee

$0

TOTAL CHARGES

$2,795

Estimated Additional Supplies

$250

TOTAL ESTIMATED COST

$3,045

Payment Schedule

Not for Credit

12 weeks

$2,400/term

Payment Options

Pay As You Go - Per Term Payment

Payment in full due one month before class starts or three payments due one month before class starts and first and second month thereafter.

Important Notes

  • Registration fee of $95 is non-refundable.
  • Books & Supplies (Estimated): $300.
  • Estimated additional Supplies $250.

Program Goals

What You’ll Achieve

This program is designed for personal enrichment and exploration of interior design. It is not designed to lead to employment. Students interested in pursuing design as a career should consider our degree programs.

Career outcomes are not guaranteed and depend on individual qualifications, experience, and market conditions.

Disclosures

Important Information

Credit Transferability

The transferability of credits you earn at Interior Designers Institute is at the complete discretion of an institution to which you may seek to transfer. Acceptance of the degree, diploma, or certificate you earn is also at the complete discretion of the institution to which you may seek to transfer. If the credits or degree, diploma, or certificate that you earn at this institution are not accepted at the institution to which you seek to transfer, you may be required to repeat some or all of your coursework at that institution. For this reason you should make certain that your attendance at this institution will meet your educational goals. This may include contacting an institution to which you may seek to transfer after attending Interior Designers Institute to determine if your credits or degree, diploma, or certificate will transfer.

Avocational Program Notice

This program is designed for personal enrichment and is not intended to lead to employment in interior design. Completion of this program does not confer a degree.

Required Disclosure Documents

Apply to the Avocational Certificate Course

Take the next step toward your interior design goals. Our admissions team is ready to guide you through the process.

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Continue exploring our full range of interior design programs.

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Tuition

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Bachelor of Arts Degree in Interior Design
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Tuition

$19,950

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12–15 months (3–4 terms)

Master of Interior Architecture

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For designers who want to shape the built environment — not just fill it. This is graduate-level thinking applied to interior architecture: research-driven, conceptually rigorous, and aimed at the designers who will lead the profession forward. In 12 to 15 months, deepen your expertise, defend an original thesis, and emerge ready to direct, teach, or consult at the highest level.

Tuition

$22,500

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