WM · Washington DC · MD · VA

Civil Engineering & Land Development

Multi-disciplinary land development and design services for projects across all sectors — from concept through construction.

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Civil Engineering Surveying Dry Utility Landscape Architecture
What We Do

Our Services

Civil Engineering

Deadline-driven professionals navigating complex regulatory processes. Site design, stormwater, grading, permitting, and construction administration across DC, MD, and VA.

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Surveying

Accurate data acquisition using state-of-the-art equipment. Boundary, topographic, ALTA/NSPS, 3D scanning, and construction stakeout from registered, licensed surveyors.

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Dry Utility Design

From pre-design through occupancy, we manage Pepco, Washington Gas, Verizon, Comcast, and other utility applications — with insider knowledge from former approvers on staff.

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Landscape Architecture

Enlivening communities through thoughtful design. Parks, streetscapes, waterfront, green infrastructure, and campus master planning guided by consideration, connection, and context.

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3 Offices
25+ Years of Practice
200+ Projects Completed
Selected Work

Featured Projects

Parc Riverside

Civil Engineering

St. Elizabeth's Campus

Civil Engineering

Mount Vernon Village Center

Landscape Architecture

NPS – National Mall Restoration

Landscape Architecture

Mosaic Park

Landscape Architecture

Kenilworth Recreation Center

Civil Engineering

"A multi-disciplinary firm whose perspective spectrum fosters collaborative consideration, and provokes technical innovation."

About WM

Wiles Mensch (WM) is a certified small business providing land development and design services for projects across all sectors worldwide. Our perspective spectrum fosters collaborative consideration, and provokes technical innovation to address a variety of site challenges.

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Start Your Project

From site concept to construction completion — we guide projects through every phase of the development process.

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