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2026 Statistics

Key Facts: SITES AP Exam

100

Exam Questions

GBCI

2 hrs

Test Time

GBCI

$250

Exam Fee

GBCI

8

Credit Categories

SITES v2

2 yr

Credential Validity

GBCI

The SITES AP exam tests knowledge of sustainable landscape design across 8 credit categories. The 100-question computer-based exam is 2 hours long with a $250 fee. A scaled passing score is required. SITES complements LEED by addressing exterior and landscape sustainability — site ecology, green infrastructure, soil health, and human wellbeing in outdoor environments.

About the SITES AP Exam

The SITES AP credential demonstrates expertise in the SITES (Sustainable Sites Initiative) rating system for sustainable landscape design and site development. Candidates must understand 8 credit categories covering site ecology, stormwater management, soil health, native vegetation, sustainable materials, human wellbeing, construction practices, and long-term operations and maintenance.

Assessment

100 multiple-choice questions covering SITES v2 credit categories: site context, pre-design, water, soil/vegetation, materials, human health, construction, and operations

Time Limit

2 hours

Passing Score

Scaled passing score

Exam Fee

$250 (GBCI (Green Business Certification Inc.))

SITES AP Exam Content Outline

20%

Site Context & Pre-Design

Site assessment, sensitive habitats, floodplains, brownfields, transportation, cultural resources, and pre-design planning

25%

Water Management

Stormwater management, green infrastructure, irrigation reduction, permeable paving, rain gardens, and water quality

20%

Soil, Vegetation & Ecology

Soil health, native plants, invasive species, wildlife habitat, ecosystem restoration, and carbon sequestration

15%

Materials & Human Health

Sustainable materials, embodied carbon, recycled content, outdoor thermal comfort, accessibility, and community engagement

20%

Construction & Operations

Erosion control, topsoil management, waste diversion, maintenance plans, IPM, and ecological monitoring

How to Pass the SITES AP Exam

What You Need to Know

  • Passing score: Scaled passing score
  • Assessment: 100 multiple-choice questions covering SITES v2 credit categories: site context, pre-design, water, soil/vegetation, materials, human health, construction, and operations
  • Time limit: 2 hours
  • Exam fee: $250

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

SITES AP Study Tips from Top Performers

1Master all 8 SITES v2 credit categories and understand the distinction between prerequisites and credits
2Focus heavily on stormwater management — green infrastructure, LID techniques, and water quality treatment are core topics
3Understand soil science fundamentals: organic matter, compaction, biology, and the importance of topsoil preservation
4Know native plant ecology, invasive species management, and the ecosystem services provided by vegetation
5Study the construction phase requirements including erosion control, tree protection, and waste diversion
6Learn the relationship between SITES and LEED — how they complement each other for comprehensive sustainability
7Review operations and maintenance requirements including IPM, organic maintenance, and ecological monitoring
8Practice with scenario questions about site design decisions and their environmental consequences

Frequently Asked Questions

What is the SITES AP exam?

The SITES AP exam is a credential demonstrating expertise in the Sustainable Sites Initiative rating system for sustainable landscape design, administered by GBCI.

How many questions are on the SITES AP exam?

The exam has 100 multiple-choice questions to be completed in 2 hours.

What score do I need to pass the SITES AP exam?

The passing score is determined by psychometric analysis using a scaled scoring method. GBCI does not publish a specific numeric threshold.

How does SITES AP differ from LEED AP?

SITES AP focuses on sustainable landscape and site design (exterior environments), while LEED AP focuses on building sustainability. They are complementary credentials that can be pursued together.

Do I need LEED Green Associate before taking the SITES AP exam?

No, the SITES AP exam does not require LEED Green Associate as a prerequisite. It is an independent credential.

What types of projects does SITES cover?

SITES covers landscapes with or without buildings including parks, campuses, streetscapes, commercial developments, residential areas, and institutional grounds.

Can I take the SITES AP exam remotely?

Yes, the SITES AP exam can be taken at Prometric test centers or through online remote proctoring.