NORTH AMERICAN MUNICIPAL LIGHT TRESPASS DIRECTORY

City Exterior Photometric & Dark-Sky Ordinance Presets

Select your project municipality to launch the pre-configured 0.10 fc property-line, curfew dimming, U0 BUG, and IECC energy solver in the free sandbox.

Austin, TX

Subchapter E & Austin Dark-Sky Ordinance

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Los Angeles, CA

CA Title 24 Part 6 + LAMC 93.0117 Trespass

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Phoenix, AZ

Phoenix Zoning Sec. 704 / Dark-Sky Compliance

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Tucson, AZ

City of Tucson / Pima County Outdoor Lighting Code

Spill ≤ 0.05 fc IECC 2024 (LZ2) TM-15-20 U0 Required

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Flagstaff, AZ

Flagstaff International Dark Sky Lighting Code

Spill ≤ 0.05 fc IECC 2021 (LZ2) TM-15-20 U0 Required

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Denver, CO

Denver Zoning Code Div. 10.7 Outdoor Glare & Spill

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Dallas, TX

Dallas Development Code Art. VI Site Illumination

Spill ≤ 0.50 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Houston, TX

Houston Commercial Parking Security & IECC LPA

Spill ≤ 0.50 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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San Antonio, TX

UDC Sec. 35-339 Military / Dark-Sky Buffer

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Seattle, WA

Seattle Commercial Energy Code C405.4 + SMC

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Portland, OR

Portland Zoning Ch. 33.262 Off-Site Impacts

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Chicago, IL

Chicago Energy Conservation Code + Zoning Spill

Spill ≤ 0.50 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Atlanta, GA

City of Atlanta Commercial Lot Security Illumination

Spill ≤ 0.50 fc ASHRAE 90 1 (LZ4) TM-15-20 U0 Required

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Charlotte, NC

Charlotte UDO Sec. 16.2 Exterior Lighting Standards

Spill ≤ 0.10 fc IECC 2021 (LZ3) TM-15-20 U0 Required

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Miami-Dade, FL

Miami-Dade Sec. 33-96 Illumination & Barrier Cutoff

Spill ≤ 0.10 fc IECC 2021 (LZ3) TM-15-20 U0 Required

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Scottsdale, AZ

Scottsdale ESLO Sensitive Boundary Photometric Code

Spill ≤ 0.10 fc IECC 2024 (LZ2) TM-15-20 U0 Required

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Boulder, CO

Boulder CO Outdoor Lighting Ordinance Title 9

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Salt Lake City, UT

SLC Title 21A Exterior Glare & Trespass Limits

Spill ≤ 0.10 fc IECC 2024 (LZ3) TM-15-20 U0 Required

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Nashville, TN

Metro Nashville Sec. 17.28.100 Lighting Control

Spill ≤ 0.50 fc IECC 2021 (LZ3) TM-15-20 U0 Required

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Las Vegas, NV

Clark County Title 30.68 Parking & Auto Lot Code

Spill ≤ 0.50 fc IECC 2024 (LZ4) TM-15-20 U0 Required

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