Assistant Project Manager

Department: Administrative

Employment Type: Full Time

Location: San Francisco, CA

Reporting To: Director of Preconstruction

Compensation: $110,000 - $135,000 / year

Job Title

Assistant Project Manager (APM)

Design Line builds complex architectural homes with high design standards, exacting detail, and challenging site conditions across the San Francisco Bay Area, Marin County, Sonoma Wine Country, and beyond.

Our work requires disciplined execution, strong collaboration with architects, owner's representatives, and consultants, and a deep respect for craftsmanship. Every member of our team—both in the field and in the office—plays a role in delivering homes that reflect the design vision, provide an uncompromising client experience, and uphold the high standards we are known for.

Through Concierge by Design Line
, we also provide ongoing care and stewardship for sophisticated residences, estates, and family properties with tailored, high-touch service.

Our culture is grounded in competence, ethical decision-making, respect, a supportive team environment, and authentic communication.

The Assistant Project Manager (APM) supports the financial management and administrative operations for our high-end residential construction projects. Working under the direct guidance of the Project Manager (PM) and Senior Project Manager (SPM), you will operate with autonomy, sharp professional judgment, and accountability as a key project partner. In this analytical position, you drive project precision by overseeing and collaborating with the Project Administrator (PA) to ensure seamless office and administrative workflows.

Together, you maintain rigorous standards across job costing, trade partner agreements, change order execution, budget forecasting, and document control.

Across our projects, we share a set of common expectations:

We approach challenges with flexibility, initiative, and a commitment to finding solutions.

We foster positive relationships through open communication and mutual respect.

We ensure the architectural vision and project goals are realized with precision and care.

We prioritize safety in both our actions and our mindset across every project.

• Assist preconstruction estimating, project start-up, and contract administration
• Prepare comprehensive bid packages and perform side-by-side bid scope comparisons
• Assist with project budget financial reports and labor tracking metrics
• Execute subcontract change orders, owner change orders, and related administration
• Oversee and collaborate with the Project Administrator (PA) to ensure processing of SCOs and PCOs
• Review and reconcile subcontractor invoices against contractual scopes of work
• Maintain absolute project document control - managing RFIs, submittals, and design decisions
• Upload drawings and revisions to Procore
• Collaborate closely with the Concierge Department to compile comprehensive Homeowner's Manuals (HOM) and development of a tailored yearly maintenance plan for completed residences

Operating as a reliable bridge between Design Line and external partners, you cultivate strong relationships with clients, owner's representatives, architects, and trade partners. Under the guidance of the Project Manager, you handle sensitive project communications, financial updates, and technical inquiries with exceptional professionalism, clarity, and a solution-driven mindset.

At Design Line, our reputation is built on an unwavering commitment to execution. We believe that true craftsmanship…