Development Information

The Division performs plan reviews, inspections and permitting for infrastructure and landscape improvements for commercial and residential projects. For information on projects being constructed by the City or operations and maintenance on City facilities, go to the Infrastructure's home page.

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General

Standards and Specifications

City of Thornton Code (all sections)

• Chapter 18 - Development Code
• Chapter 62-60 to 62-69 - Reimbursement Ordinance (PDF Format)
• Chapter 70 - Streets and Sidewalks
• Chapter 74 - Utilities

Development Checklist - (Not an official checklist, for information only.)

As-built information - contact Alfonso Lopez at 303-538-7694

Subdivision Plats (PDF Format) - contact the City Development Department at 303-538-7295

Current Development Projects (PDF Format)

City of Thornton Plat Template

• Cost Estimate Spreadsheet
• Plat Template (DWG Format AutoCAD 2000 or greater)
• Plat Template (PDF Format)
• Plat Language from Plat Template (PDF Format)

Construction and Traffic Control Permit (Section 100)

General Permit Information and Forms (PDF Format)

• Construction Permit Application Form (online application)
• Traffic Permit Application Form (online application)

Water (Section 200) and Sewer (Section 300)

Water and Sewer Connection Fees

Fire Flow Requests - contact the Fire Marshal at 303-538-7602

Static Pressure Requests - e-mail request to Alfonso Lopez (include detailed description of site location)

Utility Reports - contact Alfonso Lopez at 303-538-7694.

Drainage and Water Quality (Section 400)

NPDES Information

• Storm Manhole Cover (PDF Format)

Floodplain Information

• Floodplain Development Permit (PDF Format)

Urban Drainage Flood Control District (Criteria Manuals)

Drainage Reports - contact Alfonso Lopez at 303-538-7694

Traffic and Transportation (Section 500 and 700)

2000 Thoroughfare Plan (PDF Format) (Transportation Masterplan)

Traffic Calming Guide for Residential Development (PDF Format)

MUTCD (Manual on Uniform Traffic Control Devices)

Traffic Counts (Map)

Residential Sight Triangle for Corner Lots (PDF Format)

Sidewalk Water Chase (PDF Format)

Pavement Designs

Flex Traffic Delineators (PDF Format)

Traffic Studies - contact Alfonso Lopez at 303-538-7694

Development Engineering Contact Information

City Development Home

Updated 8/1/07