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Business Details
41 Years
experience
Houston Landscape Architecture Experts
Clark Condon has shaped meaningful outdoor environments in Houston and beyond since 1985. Our landscape architecture practice emphasizes collaboration, sustainability, and community stewardship, transforming spaces into enduring platforms for equity and resiliency. With over three decades of experience, we deliver tailored designs for diverse projects ranging from urban parks to corporate campuses. Our approach integrates site analysis, conceptual design, and construction services while maintaining flexibility throughout the process. The firm's leadership team, including principals with decades of industry expertise, continues a legacy of creating spaces that enrich lives.

Our work has left a lasting imprint on Houston's landscape, with projects like the Woodlands Waterway and Memorial Park Sports Complex becoming community touchstones. Certified as a HUB in Texas, we prioritize local partnerships and mentorship, fostering emerging professionals through hands-on experience. Client testimonials highlight our commitment to technical excellence, creative problem-solving, and the ability to translate visions into functional, aesthetically enduring environments.
Services
Landscape Architecture Site Planning Urban Design Sustainable Design Construction Documentation
Details
  • Year established: 1985
Highlights and features
  • We have 35+ years of experience shaping Houston's outdoor landscapes
  • Our collaborative approach integrates client needs with technical expertise
  • We prioritize sustainable design principles in every project
  • We maintain Texas HUB certification for local business partnerships
  • Our diverse portfolio spans parks, corporate campuses, and urban developments
Associations and certifications
  • HUB (Historically Underutilized Business)
What people say
Collaborative approach Lasting impact Community engagement Technical expertise Creative problem-solving
Services
Landscape Architecture
Our landscape architecture practice creates functional outdoor spaces that integrate with natural ecosystems. We focus on environmental stewardship through native vegetation, sustainable water management, and habitat preservation. With over three decades of experience, we deliver designs that enhance community engagement while maintaining technical precision in site planning and construction documentation.
Site Planning
Site planning services optimize land use through comprehensive analysis of grading, drainage, and infrastructure requirements. Our approach balances client objectives with regulatory considerations to create efficient, aesthetically pleasing environments. We specialize in mixed-use developments, parks, and corporate campuses across diverse geographic contexts.
Urban Design
Urban design solutions blend functionality with artistry to create vibrant public spaces. We focus on pedestrian-friendly environments that enhance urban ecosystems through thoughtful placement of hardscapes, green spaces, and circulation patterns that promote community interaction and sustainable development.
Sustainable Design
Sustainable design strategies minimize environmental impact while maximizing ecological benefits. Our expertise includes low-impact development techniques, stormwater management systems, and material selection processes that prioritize environmental responsibility without compromising design integrity or long-term durability.
Construction Documentation
Our construction documentation ensures precise implementation of design visions through detailed technical drawings and specifications. This phase maintains design intent while addressing practical considerations, coordinating with contractors to guarantee quality execution and adherence to budget and schedule parameters.
People
Elizabeth Gilbert
Managing Principal, Owner
With 30+ years of landscape architecture experience, Elizabeth leads strategic direction while mentoring emerging professionals. She emphasizes community engagement in design and oversees project execution across diverse public and private sector clients.
Jason A. Miller
Operations Principal, Owner
Jason manages day-to-day operations and technical execution, ensuring rigorous quality control standards. He specializes in complex site development challenges and maintaining the firm's legacy of design excellence through project delivery.
Mary Keilers
Innovation & Research Principal, Owner
Mary leads sustainability initiatives and environmental stewardship programs. She develops cutting-edge approaches to ecological design while maintaining the firm's commitment to creating nature-infused spaces that benefit communities.
Andrew Konyha
Quality Assurance Principal
Andrew oversees technical excellence in project execution. With two decades of experience, he ensures designs maintain integrity through construction while mentoring junior staff on technical best practices and industry standards.
Valerie Cesari
Marketing Director
Valerie manages business development and communications, highlighting the firm's portfolio through strategic outreach. She connects the firm's design philosophy with client needs, emphasizing community impact in marketing initiatives.
Questions
What landscape architecture services do you offer?
We provide comprehensive services including site analysis, conceptual design, programming, and construction documentation for parks, corporate campuses, and urban developments.
How do you approach sustainability in design?
We integrate ecological stewardship into every project, prioritizing native plantings, water conservation, and materials that minimize environmental impact while enhancing community spaces.
Do you work on projects outside Houston?
While based in Houston, we've completed projects across Texas including College Station, The Woodlands, and Sugar Land for diverse public and private clients.
What makes your firm different?
Our collaborative process combines technical expertise with creative vision, maintaining flexibility from concept to completion while emphasizing community-focused outcomes.
Are you certified as a minority-owned business?
We're certified as a HUB (Historically Underutilized Business) in Texas, demonstrating our commitment to local partnerships and diverse business opportunities.
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