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McCullough Landscape Architecture, Inc.

703 16th Street, Suite 100 San Diego, California 92101

P (619) 296-3150 F (619) 501-7725

info@mcculloughla.com

Client of the Month: SILLMAN Architects

June 23, 2025  /  Catherine McCullough

This month, we’re proud to spotlight SILLMAN, a firm known for its thoughtful design, community-centered projects, and enduring values. From affordable student housing to net-zero civic work, each project is rooted in the belief that good design makes a difference.

We recently sat down with Principal Brett Tullis and Associate Principal Jada Price for a conversation about trust, collaboration, and purpose-driven design. Their insights reflect a clear mission: to create architecture that serves people and the planet.

Fifty Years of Purposeful Design

Celebrating 50 years in practice, SILLMAN has evolved, from a blend of public and private work under the name Sillman Wright Architects to a renewed focus on educational and civic projects.

“We like to do work that makes a difference, for the community, and for our clients alike,” Jada said.

Brett summed it up simply:

“We never look at our work as just buildings. It’s not just bricks and sticks—it’s about creating spaces that improve lives. That’s what drives us.”

Culture & Core Values

At SILLMAN Architects, culture isn’t just a buzzword, it’s the foundation for everything they do. The SILLMAN team prides itself on fostering a studio rooted in collaboration, inclusion, and authenticity. Their team is notably diverse, with a strong balance of gender, race, and backgrounds represented across the office. “We’re lucky to have such a vibrant and well-balanced group of people working here,” Brett shared. “It makes for a richer, more thoughtful design process, and a stronger team overall.”

SILLMAN Staff Picnic

Creating an environment where people feel supported and heard is central to their values. “We want this to be a place where everyone can thrive,” Brett added. “If working here helps you find your purpose, we’re all in.”

Jada Price echoed the emphasis on team-driven culture:

“Collaboration is at the heart of everything we do. Every voice matters, and everyone is part of the decision-making process. That shows in our work, and it shows in our relationships with clients.

And their final core value? Kick Ass Designs. It’s even printed on their 50th anniversary T-shirts. “We debated whether we could really say it out loud,” Jada laughed. “But it’s true to who we are. We want our work to be impactful, enduring, and excellent.”

SILLMAN staff volunteering with International Relief Teams in Tijuana

Their commitment to meaningful, sustainable design is backed by action—SILLMAN Architects is a proud AIA 2030 signatory, emphasizing smart materials, long-term durability, and healthy environments for users. “These buildings will be part of their communities for 40, 50 years or more,” Jada said. “They should look good, perform well, and make a difference.”

That philosophy comes to life in projects like the recently completed Ramona Community Resource Center, a LEED Gold Certified, Zero Net Energy facility designed to serve County residents in need. Beyond its environmental performance, the building offers essential services and a welcoming space that supports resilience—socially and sustainably.

That value—Making a Difference—is more than a design philosophy. It shows up in how they treat people and in how they give back. A few times each year, the SILLMAN team volunteers with International Relief Teams to help build homes in Tijuana for families in need. Staff members spend their weekends physically constructing safe, reliable housing, another way they bring their values to life and invest in a better future for everyone.

Purpose-Driven Projects

When we asked SILLMAN Architects about recent work they’re excited about, Principal Brett Tullis didn’t hesitate: “Let’s talk about the projects we’re doing with McCullough.”

SDSU Calexico Student Housing, Image Courtesy of SILLMAN

One standout is the San Diego State University (SDSU) Calexico Affordable Student Housing Project, a dynamic, design-build collaboration that brings together three of SILLMAN’s core strengths: higher education, affordable housing, and public-sector design. This project pulls together everything SILLMAN does best. It’s one of the first affordable housing efforts they’ve done for a higher education client, and it’s going to be a real asset to the community.

The project is more than just good design, it’s meeting an urgent need. And SILLMAN is already thinking long term. “We designed it to allow for a future phase that can double the housing capacity on site,” Brett said. “That kind of forward-thinking is what makes this work meaningful.”

Also in partnership with McCullough is the Environmental Monitoring and Technical Services (EMTS) Lab Renovation and Addition, a sustainable, mass timber project with a narrative design twist. The lab is focused on ocean water quality, and the team envisioned a landscape that immerses visitors in an undersea environment, like a reef off Tahiti. It’s playful and meaningful, with the new structure designed as a sleek research vessel surrounded by ocean-inspired planting.

EMTS Lab Renovation and Addition, Image Courtesy of SILLMAN

The EMTS Lab was also recently featured in McCullough’s “Best of 2024” blog post, selected by one of our staff members as a favorite project of the year.

A Collaborative Process, Grounded in Trust

For SILLMAN Architects, design isn’t a solo pursuit, it’s a team sport. Their process is rooted in collaboration, drawing on the voices of clients, consultants, and each other to arrive at ideas that feel shared and intentional.

“We’re always looking for the best idea,” Brett said. “And sometimes the best proof of collaboration is when no one can quite remember who came up with it. Everyone’s bought in, and that’s when you know it’s good.”

This ethos shows up across their work, from project kick-off through construction. As Associate Principal Jada Price put it, “More voices equal better solutions. We check our egos at the door, and everyone has a piece of the project.”

This collaborative mindset extends to their client relationships, where listening is a priority and transparency guides every decision. By clearly communicating project goals, constraints, and priorities, the team is able to design with intention and find creative opportunities within the framework. 

Baja-Mex Mixed-Use Gateway Parking Structure, Gold Nugget Merit Award Winner, Image Courtesy of SILLMAN

Looking Ahead: Growth with Purpose

For SILLMAN Architects, the future is all about growth with intention. With recent success in higher education and affordable student housing, the team is excited to deepen their work in those spaces.

“There’s a lot coming up in the San Diego Community College District, and we’re proud to be part of the conversation,” Brett shared. “We’ve also been added to UCSD’s as-needed list, which opens new doors in student housing—particularly affordable student housing, which we feel passionate about.”

SILLMAN All Staff Meeting

As a firm, SILLMAN isn’t chasing growth for growth’s sake. “We want to grow organically, in a way that aligns with the types of projects we care about,” Jada said. And more importantly, they want to keep their company culture strong. That’s what makes SILLMAN special.

On the design front, sustainability remains a central focus. Brett pointed to trends like design for disassembly and a more mindful use of materials as opportunities to push the industry forward. “We’re starting to ask: do we need all this stuff? Less is less. Less material, fewer finishes, it all adds up to lower embodied carbon and longer-lasting buildings.”

The ultimate goal? Design spaces that not only serve today’s needs but are resilient and adaptable for decades to come.

EMTS Lab Renovation and Addition, Image Courtesy of McCullough

Final Takeaway

With a deep commitment to meaningful design, a collaborative culture that nurtures talent, and an eye on sustainable innovation, SILLMAN Architects is shaping resilient spaces that serve communities today and for generations to come. We’re grateful for our partnership with the SILLMAN team. Their creativity and purpose-driven approach are felt in everything they do. It’s a relationship we truly value, and we look forward to what we’ll build together next.


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Inside the Oakland Office: A Tour with Mahalakshmi Balachandran

June 23, 2025  /  Catherine McCullough

We spent the day with Mahalakshmi Balachandran, our Senior Associate in our Northern California studio, for a behind-the-scenes look at life in our Oakland office, now open for two years! From what drew her to the space to what fuels her creativity, Maha shares what it's like working in the Bay Area. Check out the video for the walkthrough and Q&A!

Read more about Maha here.


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Designing for the Next Generation: McCullough at Bisnow’s Student Housing & Higher Education Summit

June 20, 2025  /  Catherine McCullough

David McCullough, McCullough Landscape Architecture; Mark Donahue, Lowney Architecture; Vincent Polhemus, Clark Pacific; Brian Pratt, University of California, Irvine (UCI); Kevin Conn, California State University, Northridge

David McCullough, ASLA, PLA

McCullough was proud to take part in Bisnow’s Student Housing & Higher Education Summit in Los Angeles, where AEC leaders, designers, and developers came together to explore the future of campus life. The event brought urgent conversations to the forefront, centered around affordability, wellness, innovation, and the design strategies that support today’s evolving student experience.

David McCullough, ASLA, PLA, served as the moderator during Focusing on the Student Experience & Reimagining Student Living Through Development & Design, which highlighted everything from modular construction and electrification to public space design, safety, and student mental health. Also in attendance were Catherine McCullough, FSMPS, CPSM, and Associate Tianchi Zhang, representing McCullough’s continued commitment to shaping higher education environments that are inclusive, engaging, and resilient.

In the lead-up to the event, Bisnow featured David in a Speaker Spotlight article written by John Krukowski, which dives deeper into the challenges and design trends impacting student housing today.

Topaz Mixed-Use Student Housing

David discusses the shift toward mixed-use, campus-as-community environments and how landscape architects are rethinking safety and comfort through CPTED (Crime Prevention Through Environmental Design) principles, microclimate strategies, and social space planning.

“What’s cool is they are turning their campuses into mini-downtowns,” David said in the article. “Everything is right there, so the students no longer need to leave campus to go grocery shopping, for example. There's a lot of social interaction because all the students are hanging out at these third places and getting to know each other.”

Read the full article here: Bisnow Speaker Spotlight: David McCullough

As student housing continues to evolve, we remain focused on designing landscapes that support learning, living, and well-being. Events like these are a reminder that thoughtful design can be a powerful tool in shaping a more connected and compassionate campus experience.


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Reimagining a Downtown Corner: 550 West C Street

May 21, 2025  /  Zeek Magallanes

Zeek Magallanes, MLA, ASLA
Studio Team Leader, Project Manager

The 550 West C Street project was a three-phase exterior and interior renovation located in the heart of downtown San Diego. The project aimed to upgrade the interior amenity offerings for tenants, enhance the streetscape for pedestrian safety, as well as enhance the entry plaza to provide smart technology space for outdoor meetings and a small café to activate the location for tenants.

At the start of the project our client, Cushman & Wakefield, assessed its surrounding sidewalk condition and determined that the uplift had been caused by existing mature trees that had not been planted properly. The improper design had created a safety hazard to those passing by not paying attention—causing multiple trip incidents. These issues highlighted the importance of bringing new design thinking to the much-needed public right-of-way renovation. In addition to the right-of-way trip hazards, the large entry plaza at the front of the property aged considerably and had become a space that was rarely used by its tenants, not reflecting the original vision for the space.

Our creative endeavor in the project was in collaboration with Gensler, specifically under the direction of Chris Bord and Matthew Bourne. Under Gensler’s direction, our design team explored several design iterations, engaged the client on a regular basis, and found a solution that aligned with the client’s vision and budget. At McCullough, our mission is to infuse grit, soul, and style into every project, principles that guided the transformation of this plaza.

Through careful selection of materials, we sought to express the site’s “grit” by reflecting its downtown urban context through durability, simplicity, and longevity. The ‘soul’ of the project stemmed from the client’s desire to ensure the pedestrian zone around the building would be inviting and safe for everyone—those coming and going, as well as community members simply passing by. It also involved reactivating the empty plaza, which serves as the first impression for anyone entering the building. Finally, the ‘style’ of the project was essential to align with the client’s overall aesthetic: refined, classic, clean, and professional.

Early in the construction phase, representation of the property changed over to JLL, and was led by Aljon Medina, Project Manager, San Diego Market. JLL’s ability to acquire strategically placed and high value assets was on full display during the project build-out. Every phase of the implementation was curated and informed by their management team. This enthusiasm trickled down to the design team and reinvigorated our desire to create something truly special and valuable to the City of San Diego.

As the general contractor, BYCOR ensured effective communication was maintained among all stakeholders and relayed updates from JLL to the design team as needed. Their ongoing attention to detail and ability to address unforeseen on-site discoveries contributed to a smooth and efficient installation.

Today, visitors to the site experience a fully renovated streetscape featuring healthy, vibrant street trees supported by proper infrastructure installed at the time of planting. At the main entrance, a large plaza welcomes guests with various seating options and a visually appealing paving pattern that enhances the ground plane. Pavilions flank the main entrance on both the west and east sides. To the west, visitors will find a custom multimedia outdoor meeting space designed by the team at Gensler; while to the east, an outdoor café offers tenants warm drinks and healthy snacks. Surrounding both pavilions, McCullough’s thoughtful planting design is showcased in raised planters that cradle each structure. These planters feature a curated mix of shade-tolerant shrubs with seasonal interest, artfully arranged beneath the expansive canopy of mature trees. Fronting the planters are concrete benches topped with sustainable hardwood slats. To further enhance the experience, the entire plaza is buffered from the nearby trolley line by a row of densely planted, movable raised planters—bringing a strong sense of cohesiveness and unity to the site.

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Topaz Mixed-Use Student Housing Receives Golden Nugget Award

May 21, 2025  /  Catherine McCullough

We’re proud to share that Topaz Mixed-Use Student Housing near San Diego State University (SDSU) has been recognized with a 2025 Golden Nugget Award of Merit in the category of Best Student or Faculty Housing Project.

This award honors the project team’s commitment to creating high-quality, forward-thinking spaces that support student life and learning. It’s a reflection of the thoughtful collaboration and design excellence that shaped every part of this mixed-use development.

Presented by CBIA and PCBC, the Gold Nugget Awards are the longest-running and most respected design awards in the country, celebrating exceptional concepts in architecture, planning, and development. The Award of Merit represents the top vote recipients in each category, all of which are finalists for the Grand Award.

Grand Award winners will be announced:
Wednesday, June 11, 2025
Westin Anaheim Resort
Register Here

Thank you to our project partners for their dedication and shared vision:

  • Builder: Cannon Constructors

  • Developer: Pierce Education Properties

  • Architect of Record: KTGY

  • Design Architect: AVRP Studios

  • Landscape Design: McCullough

  • Civil Engineer: Fuscoe Engineering

  • Interior Design: ID Studios

  • Lighting: Noctiluca Lighting

  • Photography: David McCullough

We’re honored to be part of a team that brings lasting value to student communities through thoughtful, integrated design.

Learn more about the project.


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