The Deal

A $10 million construction financing for a portfolio of 40 Accessory Dwelling Units across 20 properties in Los Angeles County presented a unique opportunity in California's evolving ADU market. The institutional borrower had structured ground lease agreements with individual homeowners, creating a revenue-sharing model where the investor would develop, own, and operate the ADUs while compensating property owners through long-term lease payments. The capital stack included the $10 million construction facility representing 65% of total project costs, with the borrower providing the remaining 35% equity contribution. The construction timeline spanned 14 months across staggered phases, with individual ADU construction periods ranging from 4 to 6 months depending on unit size and complexity. Each property featured either one or two ADUs, with unit types ranging from 600 to 1,200 square feet. The portfolio targeted the middle-income rental market, with projected stabilized rents between $2,800 and $4,200 per month per unit. The borrower's business model leveraged California's streamlined ADU approval processes while providing homeowners with passive income opportunities without requiring their own capital investment.

The Challenge

ADU portfolio financing represents uncharted territory for most commercial lenders. Traditional construction lending frameworks proved inadequate for several reasons. First, the collateral structure consisted of 20 separate leasehold interests rather than fee simple ownership, creating complex lien priority and enforcement scenarios that most lenders had never encountered. Second, no standardized underwriting methodology existed for ADU portfolios. Individual ADU financing had limited comparables, and scaling to portfolio level introduced additional complexity around construction sequencing, market absorption, and operational management. Most lenders lacked internal expertise to evaluate the viability of the ground lease revenue-sharing model or assess the credit quality of underlying homeowner partnerships. Third, the regulatory environment remained fluid. While California legislation had streamlined ADU permitting, lenders remained cautious about potential future regulatory changes affecting ADU development, operation, or conversion rights. The intersection of residential and commercial lending regulations created additional compliance uncertainties. Construction risk was amplified across multiple simultaneous projects with varying municipal jurisdictions, each carrying distinct permitting requirements and inspection processes. Traditional construction-to-permanent financing structures didn't align with the borrower's long-term hold strategy and leasehold ownership model.

The Solution

After extensive market canvassing, we identified a specialty lender with dedicated focus on Los Angeles County ADU development. This lender had developed proprietary underwriting models specifically for ADU portfolios and had previously closed similar leasehold-based transactions. The lender's underwriting approach evaluated each ground lease agreement individually while applying portfolio-level stress testing for construction delays, cost overruns, and market absorption scenarios. They required personal guarantees from the institutional borrower's principals and established individual property-level loan-to-cost ratios not exceeding 65%. The construction facility featured a 14-month term with two six-month extension options at 75 basis points each. Interest rate was structured as prime plus 200 basis points with interest-only payments during construction. Draws were released based on completed work percentages, verified through third-party inspections and architect certifications. The lender required pre-leasing of 60% of units before final draw release, with acceptable lease terms including minimum 12-month initial terms and rent levels within 10% of underwritten projections. A 6% loan fee was split between origination (3%) and extension option availability (3%). Construction risk mitigation included approved general contractor requirements, performance bonds on projects exceeding $500,000, and detailed construction budgets with 10% contingency reserves. The lender maintained approval rights over any material changes to unit specifications or construction sequencing.

The Outcome

The financing closed within 75 days of initial application, enabling the borrower to commence construction across the first phase of 12 units. The staggered construction approach allowed for operational refinements and market testing while maintaining capital efficiency. Six months post-closing, the first completed units achieved lease-up within 30 days at rents exceeding underwritten projections by 8%. This early success validated both the market demand assumptions and the operational execution capabilities of the borrower team. The transaction established a framework for future ADU portfolio financings and demonstrated lender appetite for creative structures in California's accessory dwelling unit sector. The borrower has since expanded their pipeline to over 100 additional units and maintained the lending relationship for subsequent project phases. The successful execution provided valuable precedent for similar institutional ADU development strategies, particularly the ground lease revenue-sharing model that enables homeowner participation without capital requirements. This structure has since been replicated by other developers targeting California's ADU opportunity. The deal highlighted the importance of specialized lender expertise in emerging real estate sectors where traditional underwriting approaches prove inadequate for innovative business models and regulatory environments.