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SUDP ENGINEERING

Expert drainage and stormwater engineering for SUDP permitting, runoff control, detention design, and municipal compliance across Colorado and Arizona .

SUDP PERMIT & DESIGN

Raptor Civil Engineering provides drainage and stormwater engineering services for residential, commercial, and development projects throughout Colorado and Arizona. The firm specializes in SUDP permit support, stormwater management plans, detention and water quality design, drainage reports, grading analysis, and runoff control solutions that help projects move efficiently through municipal review and approval. By designing systems that manage rainfall runoff, reduce flooding risk, control erosion, and improve water quality, Raptor Civil Engineering helps protect infrastructure and surrounding waterways while ensuring compliance with local stormwater and drainage regulations.

From SUDP permitting and drainage plan preparation to storm sewer infrastructure, detention pond design, swales, and site drainage engineering, Raptor Civil Engineering delivers practical, code-compliant solutions tailored to each property and development site. Their drainage and stormwater engineering approach focuses on long-term performance, efficient permitting, and reliable civil engineering support for developers, builders, architects, and property owners throughout Colorado and Arizona.

Drainage and stormwater engineering is essential for managing runoff, supporting SUDP permitting, reducing flooding risk, and ensuring municipal compliance for development projects. Raptor Civil Engineering provides practical drainage design, stormwater management plans, detention design, and permitting support for residential, commercial, and land development projects throughout Colorado and Arizona.

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TRUSTED SOLUTIONS

High-quality designs combined with efficient systems and technology to streamline operations, reduce errors, and deliver premier outcomes.

CONFIDENCE AND EFFICIENCY

Consistent, clear communication keeps you informed and up-to-date every step of the way.

PERSONALIZED ATTENTION

We cater specifically to your project's preferences and requirements. Raptor's priority is maintaining excellent client satisfaction.

Civil Engineering Services

Development Drainage & Stormwater Solutions

Raptor Civil Engineering provides comprehensive development drainage and stormwater solutions for residential, commercial, and land development projects throughout Colorado and Arizona. The firm supports developers, builders, architects, and property owners with practical drainage design, stormwater management planning, SUDP compliance, and municipal permitting solutions designed to keep projects moving efficiently from planning through approval and construction.

Core drainage and stormwater engineering services include:

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Water Detention Design

Raptor Civil Engineering provides water detention design services for development projects throughout Colorado and Arizona. The firm designs detention systems that manage stormwater runoff, reduce downstream flooding risk, improve site drainage performance, and support SUDP and municipal stormwater compliance requirements.

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Municipal Permit Coordination

Raptor Civil Engineering works with municipalities and reviewing agencies to help development projects move efficiently through the permitting and approval process. The firm coordinates drainage and stormwater documentation, responds to review comments, and supports compliance with SUDP and local municipal requirements throughout Colorado and Arizona.

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SUDP Permit Support

Raptor Civil Engineering provides SUDP permit support for residential, commercial, and development projects throughout Colorado and Arizona. The firm prepares drainage reports, stormwater management plans, and supporting engineering documentation required for municipal review, helping projects move efficiently through the permitting and approval process.

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Development Drainage Plans

Raptor Civil Engineering prepares development drainage plans designed to support efficient site development, stormwater control, and municipal compliance for projects throughout Colorado and Arizona. The firm develops practical drainage solutions that manage runoff, reduce flooding risk, and align with SUDP and local permitting requirements for residential, commercial, and land development projects.

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Stormwater Management Plans

Raptor Civil Engineering develops stormwater management plans for residential, commercial, and land development projects throughout Colorado and Arizona. The firm designs compliant stormwater solutions that help control runoff, improve water quality, reduce erosion, and support SUDP and municipal permitting requirements.

Raptor Civil Engineering helps developers, builders, and property owners navigate complex drainage and stormwater requirements with practical engineering solutions focused on efficient permitting, code compliance, and long-term site performance. From SUDP drainage design and stormwater management planning to municipal coordination and runoff control, the firm delivers responsive civil engineering support tailored to the demands of modern land development projects throughout Colorado and Arizona.

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TESTIMONIALS

SEE WHAT THEY'RE SAYING

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They are professional, highly responsive, and provide great civil designs.

- ALEX GRESH

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Raptor always prioritizes their clients' project deadlines and skillfully manages each deliverable.

- KELLY HYZY

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A team of serious, responsive and professional engineers.

- MARCO CORRAO

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Built for Efficient Project Approvals

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Engineering plans designed to align with municipal drainage and stormwater requirements, helping reduce review comments and permitting delays.

Water Detention Design

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Field measurements are processed using surveying software to create detailed maps and survey documents that accurately represent the site.

Water Detention Design

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Site-specific stormwater and runoff designs focused on constructability, long-term performance, and efficient land development.

Practical Drainage Solutions

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Code-compliant drainage and stormwater engineering that helps minimize redesigns, flooding concerns, erosion issues, and costly project setbacks.

Reduced Risk & Compliance

FREQUENTLY ASKED QUESTIONS

Frequently asked questions

FAQ

START YOUR PROJECT WITH RAPTOR TODAY

Raptor Civil Engineering provides drainage and stormwater engineering services for residential, commercial, and land development projects throughout Colorado and Arizona. From SUDP-compliant drainage design and stormwater management plans to detention design and municipal permit coordination, our firm delivers practical engineering solutions but approaches the management differently providing responsive support needed to help keep projects moving forward.

Contact Raptor Civil Engineering today to discuss your surveying needs.

Still Have Questions?

For any inquiries, questions or commendations, please call 720-973-5605 or fill out the following form

Contact Us

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Offices

Westminster Office

8620 Wolff Court, Suite 250

Westminster, CO  80031

Lone Tree Office

8250 Park Meadows Drive, #150

Lone Tree, CO 80124

 

Work@Raptor-Civil.com

Tel: 720-973-5605

Employment

To apply for a job with Raptor Civil Engineering, please send a cover letter together with your resume to:

Careers@Raptor-Civil.com

Give us a call: 720-973-5605

© 2026 by Raptor Civil Engineering

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