Supervisors keep Hiller Road widening condition on McKinleyville senior housing project
Humboldt supervisors kept a roughly $200,000 Hiller Road widening condition on Humboldt Commons, forcing the McKinleyville senior housing project to absorb the cost or reshape its plan.
Life Plan Humboldt’s McKinleyville senior housing project kept its Hiller Road widening condition, leaving Humboldt Commons to either absorb an estimated $200,000 hit or rethink how the 109-unit development is built and accessed.
The Humboldt County Board of Supervisors denied the nonprofit’s appeal on May 12, keeping the requirement in place after the Humboldt County Planning Commission had already rejected a waiver request on March 19. County staff had recommended denial, and supervisors, while supportive of senior housing in principle, decided the safety and infrastructure concerns tied to Hiller Road outweighed Life Plan Humboldt’s request for relief.
That decision carries immediate consequences for the project, which sits on a 14.58-acre parcel in the McKinleyville Town Center along Hiller Road between McKinleyville and Central avenues. The road now has two travel lanes with shoulders and grassy margins, and local reporting said the widening condition affects not just cost but the final design of the site, including how vehicles, pedestrians and emergency responders will move through the property.
Life Plan Humboldt said it had already agreed to nearly $1 million in other improvements, including a sidewalk, upgrades on Nursery Way and a bicycle trail connection from the Central Estates subdivision to Hiller Road. Emma Haskett, the project manager, drew a line between those commitments and the contested road work. “The only thing we’re contesting is an additional $200,000 for the road widening,” Haskett said.
The ruling also underscores how McKinleyville’s town-center buildout has long been tied to Hiller Road. The ultimate town-center design calls for two auto lanes, medians and landscape strips, a bicycle lane and sidewalks, and the corridor has been the subject of traffic-calming and planning discussions for years. In that context, supervisors’ refusal to waive the condition kept the county aligned with a broader transportation plan even as it preserved a cost that Life Plan Humboldt wanted removed.
The project itself has been years in the making. Life Plan Humboldt signed a purchase-option agreement for the site on July 17, 2023, closed escrow in June 2025 and rebranded the project as Humboldt Commons in August 2025. County supervisors had already backed the effort financially, including a $2 million loan in 2024 and another funding action of about $3.7 million tied in part to an affordable senior housing component on the same property.
Humboldt Commons has been described as a resident-driven 62-plus community. One report said construction could begin as soon as 2026 and the community could open in 2028, but the Hiller Road ruling means the nonprofit now moves forward with one of its most consequential infrastructure conditions still attached.
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