Clise Properties

Clise Properties

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Established in 1889, Clise Properties is a Long-Term Commercial Real Estate Owner & Developer Committed to Fostering Timeless Spaces for Our Community & the Puget Sound Region. From our integral role in rebuilding the city after the Great Seattle Fire to our transformative work reforming the Denny Triangle into a bustling urban center, we continue to be at the forefront of Seattle’s development. N

04/28/2026

Congratulations to DCI Engineers on winning the Bellevue and Seattle 2030 District 2026 Vision Award for Tenant Improvement! Earlier this year, DCI took over the entire 17th floor of our 1700 7th building for their new Seattle headquarters and transformed it into something truly special.

When announcing the award on social media, they shared, "This office was designed around smarter, lower-impact choices: reducing embodied carbon, energy use, and water consumption while improving comfort and supporting transit access. [...], it’s built to support collaboration across engineers, BIM designers, and non-technical teams—with floor-to-ceiling windows and design moves that highlight the existing structure. The final construction design delivered a 17% embodied carbon savings compared to the initial concept."

The Clise Properties in-house construction team was proud to support DCI and HOK in the impressive evolution of this space, and we are all celebrating this well-deserved recognition. 🥳

📸: John Ludeman

03/02/2026

We’re pleased to share that Hans von Trotha has joined Clise Properties as Senior Vice President of Asset Management & Leasing.

With more than two decades of commercial real estate experience, Hans most recently led asset and portfolio strategy for a significant office portfolio at Unico Properties. A graduate of Yale University with a Master’s of Science in Real Estate from NYU, he brings a disciplined, strategic approach to portfolio performance and long-term value creation.

Originally from Mercer Island, Hans cares deeply about supporting efforts to address homelessness in Seattle. Those who know him best describe him as dedicated, loyal, and passionate — qualities that show up both professionally and personally.

When he’s not skiing with his family or enjoying a sunny afternoon along the waterfront, he carries with him a unique creative legacy: both of his parents were glass blowers and taught him the craft. He’s also a former collegiate and junior national team rower.

We’re excited to have Hans on the team and look forward to his unique perspective and leadership.

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Address


1700 7th Avenue Ste 1800
Seattle, WA
98101

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm