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Liquidambar owner/designer Katey Mulligan, APLD, was educated in Ireland, England and the US. Kateys extensive world travel contributes to her broad perspective, informed by multiple cultures. Her varied personal and professional resume includes expertise gained while working on the job and in the studio with architects, builders and trades-people.

Katey is an award-winning designer. She has written for local publications and been featured on HGTV and other TV channels. Her gardens have been published in Sunset Magazine, Sunset Design Guide, Backyard Secrets and other publications. A 25-year Bay Area resident, Katey is intimately attuned to the region's numerous micro-climates and distinctive habitats. Specific accomplishments include:

  • Higher National Certificate in Landscape Design from University of Greenwich, Kent, England
  • BA from University of California, Berkeley
  • Certified Landscape Designer by Association of Professional Landscape Designers (APLD)
  • Co-Founder and Past President of APLD San Francisco/Marin District
  • Certified Arborist by the International Society of Arborists
  • Member: California Landscape Contractors Association
  • Guest Speaker at City College San Francisco Horticulture Department
  • Schooled in sustainable practices that nurture the soil and conserve water and energy, using drought-tolerant, native and climate-appropriate plants, at University of California Extension; City College San Francisco and San Francisco Botanical Garden Society

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"Wow!" Everyone says 'Wow' when they come upon our sanctuary. It's such a surprise, and so healing, full of birds and butterflies. Everyone should have a place like this to retreat to. We hesitated at first, because of the investment; now we know it's the best thing we've even done. Roz & Lee, Glen Park, SF.


Katey takes on projects like a true artist. Her ability to meet our environmental needs while perfectly matching the architecture of our home was remarkable. Her drought tolerant design dramatically improves our curb appeal and the final result is more beautiful than we could have imagined. Jon, Piedmont.


Katey knew exactly what would meet my needs and work best in my garden; the quality of care and service was excellent. She is a joy to work with. Her expertise, love of growing things, and passion for gardening is a rare and beautiful combination. Dorothy, Bernal Heights SF.

Working with Katey was great fun! She is extremely knowledgeable, creative and approachable. Her design concepts were enchanting, her responses quick and thorough. Execution was easy and timely, the team very professional in all aspects of the installation. We are thoroughly enjoying our garden and seeing it evolve through the seasons. Jane & Paul, Burlingame.

Our garden is better than anything we could have dreamed. Katey had an amazing vision of plants that would thrive in our climate and was so creative in placing color and texture. The entire project was executed very professionally and creatively. We are highly recommending Liquidambar to everyone we know. Suzanne, West Portal SF.

What's so great about Katey is that she was comfortable with any level of contribution from me. She's also gentle with her client management. I will work with Katey for any garden I ever have the pleasure of tending. Thomas, Cole Valley SF.

It’s a great improvement and we love it. The new landscape makes our large expanse of stone so cozy, tranquil and much more pleasing, borders softened with interesting boulder arrangements, plants and pots. One big, open corner Katey ‘cozied up’ is our favorite area. Barbara & Jim, Foster City.

I was most impressed with her design depth and level of versatility. Our design includes patio, tea pavilion, pergola, water feature, stone riverbed, retaining walls, planting and more, all integrated into a unified space. Thank you again for the wonderful plans. Mark, Sunset District SF.

Katey was wonderful to work with. She understood my budget and adjusted her design and implementation to match. Her flexibility, compatibility, ability to find people to perform the work, adjusting to my special requests… the project was a pleasure. Ward, Noe Vally SF.

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