Build, Baby Build: OWow to Break Ground with First Fully Affordable Plyscraper

Why It Matters

The project proves that mass‑timber systems can meet affordability goals while cutting cost and schedule, signaling a scalable path for sustainable housing in high‑cost markets.

Key Takeaways

• $50M public‑private financing enables affordable mass‑timber project
• 11‑storey tower delivers 284 units at reduced construction cost
• MPP panels cut build time and cost 15% versus steel
• Project shifted from market‑rate to LIHTC after financing shortfall
• Site sits two blocks from BART, enabling transit‑oriented living

Pulse Analysis

Mass‑timber construction is gaining traction as developers seek greener, faster building methods. The oWow plyscraper leverages Freres Lumber’s MPP panels, a veneer‑based engineered wood that mimics concrete flat‑plates while offering a lighter carbon footprint. By replacing steel and concrete, MPP reduces embodied emissions and shortens on‑site cycles, a compelling advantage in dense urban cores where labor costs and permitting delays are steep. This project adds to California’s burgeoning pipeline of timber high‑rises, reinforcing the state’s leadership in sustainable building technology.

Financing the Harrison Street tower illustrates how public‑private partnerships can unlock affordable housing. The California Municipal Finance Authority’s $39.6 million commitment, combined with a $10.2 million land acquisition, creates a robust capital stack that supports Low‑Income Housing Tax Credit (LIHTC) eligibility. By pivoting from a market‑rate concept to a fully affordable model, oWow secured lender confidence and aligned the development with regional housing policy goals. Proximity to the 12th Street BART station further enhances the project's transit‑oriented value, reducing residents’ reliance on cars and supporting broader climate objectives.

The broader industry impact is significant. Demonstrating that mass‑timber can deliver cost‑effective, high‑rise affordable units may encourage other municipalities to adopt similar financing frameworks. As construction firms accumulate expertise with post‑and‑plate systems, economies of scale could drive panel prices down further, expanding the feasible height and typology of timber structures. Policymakers may view the oWow project as a template for integrating sustainable materials into affordable housing mandates, potentially accelerating the transition toward low‑carbon urban development nationwide.