Building Without Owning Land in California: Leasehold and Joint Options

Why Land Costs Are Blocking California Building Projects

If you've been priced out of buying a lot before you can build on it, you're not imagining the squeeze. Construction costs have climbed more than 30 percent since 2020, and insurance premiums have risen over 100 percent in some affordable housing portfolios, according to trade reporting on California multifamily trends. For anyone weighing a new build or a major rebuild in Los Angeles County, the math of owning land outright first is getting harder to defend.

The slowdown is visible at the industry level, too. Tanya Eastwood, president of Greystone Affordable Housing Initiatives, notes that total multifamily housing starts dropped significantly in 2024 and the slowdown carried into 2025 — even as the share of fully affordable units within those starts rose. Fewer projects are breaking ground, and rising land prices are a big part of why.

That raises a question most property owners never think to ask: do you actually need to own land to build on it? Legally, the answer is no. A ground lease lets a tenant lease land long-term — typically 50 to 99 years — while constructing and owning the improvements on it, with ownership of the building legally separate from ownership of the land, according to a legal analysis by Holland & Knight.

California's own institutions have quietly embraced this structure. Consider what's already in motion:

• The state screened more than 44,000 excess state-owned parcels for residential feasibility and publishes standardized ground lease templates through its Excess State Land program.
• Safehold has closed over 20 affordable housing ground lease deals delivering more than 3,200 affordable units, with activity mostly concentrated in California.
• Named projects in Santa Cruz (Banana Belt Apartments, 83 units) and Santa Clarita (Creekside Commons, 128 units) are expected to close in early 2026 using ground leases.
• The state's tax credit agency has codified leasehold project rules, and ground leases are described as "particularly attractive to family trusts" for their stability and lower landlord obligations.

The driver behind all of this is simple: high interest rates and rising construction costs have opened financing gaps that land-leasing structures help fill. One industry report (sponsored, so treat the figures with care) claims developers using these structures typically end up with 10 to 20 percent more total capital than in a traditional deal.

For Altadena homeowners — especially those weighing a rebuild or a major addition after the Eaton Fire — the takeaway isn't that you must restructure your deal like an institutional developer. It's that the assumption "own the land first, build second" deserves scrutiny. At Altadena Home Remodeling, we help property holders scope what's actually buildable before committing capital, working with licensed builder JMB Builders LLC (CSLB #1103479). If you're staring at land costs and wondering whether the numbers still work, a free remodel-scoping consultation with a before/after concept render is a low-cost way to find out — with no timeline or permit guarantees implied.

ctaText: Scope your Altadena remodel for free — get a before/after concept render before you commit. socialProofText: Featured builder JMB Builders LLC (CSLB #1103479) builds custom homes, ADUs, and Eaton Fire rebuilds in Altadena.

Ground Leases Explained: Lease the Land, Own the Building

Imagine signing a 99-year commitment on land you'll never own — yet holding full legal title to the home or building standing on it. That's the quiet elegance of a ground lease, and it's the most proven path to building without owning land in California.

A ground lease is the long-term leasing of land only, typically running 50 to 99 years, while the tenant constructs and owns the improvements at their sole cost, according to Holland & Knight's legal analysis. Ownership of the building is legally separate from ownership of the land beneath it. This structure, as California Council explains, "can reduce upfront costs" and "unlock development opportunities on land that might otherwise be inaccessible."

Why does this matter now? Construction costs have risen more than 30 percent since 2020, and insurance premiums have climbed over 100 percent in some portfolios, per Multi-Housing News. Separating the land purchase from the build budget lets capital flow into construction rather than land acquisition.

The linchpin, Holland & Knight note, is that "financeability" is one of a ground lease's most important features. A well-drafted leasehold must support a mortgage on the tenant's interest — lenders need confidence they can foreclose on the leasehold, not just the building. Without that, the whole structure collapses.

A few essentials before signing anything:

• Leasehold title insurance is a necessity, not an option — given the tenant's sizeable investment in constructing the property, per Holland & Knight.
• California's HCD publishes standardized ground lease templates for building on excess public land, with over 44,000 state-owned parcels already screened for housing feasibility (HCD Excess State Land program).
• The state's tax credit agency codifies ground-lease project rules, including a mandatory 90-day cure period before a lessor can terminate (CTCAC requirements).
• Leasehold structures are "particularly attractive to family trusts," per Holland & Knight — relevant for multi-generational Altadena lots.

Institutional capital validates the model: Safehold has funded over $7 billion in ground lease capital nationally, with activity concentrated in California, though those figures come from vendor-sponsored content. Named projects like Banana Belt Apartments in Santa Cruz (83 units) show the structure working at scale.

For Altadena homeowners weighing a build on land held in a trust or family arrangement, the leasehold principle applies the same way — but the drafting requires real estate counsel. Altadena Home Remodeling helps property holders scope the construction side of that equation; if you're weighing a whole-home remodel or rebuild under a leasehold structure, a free remodel-scoping consultation with a before/after concept render is the practical first step — no timeline or permit guarantees, just a clear-eyed plan.

California's Institutional Support: State Land Programs and Real Projects

Building without owning land isn't a theoretical workaround in California — it's a pathway the state government itself has built infrastructure around. From standardized lease templates to codified tax credit rules, Sacramento has made leasehold development a working part of its housing toolkit.

Under Executive Order N-06-19, California's Department of General Services and the Department of Housing and Community Development screened more than 44,000 state-owned parcels for residential development feasibility. The HCD Excess State Land program doesn't just identify sites — it publishes standardized ground lease documents developers can actually use, including:

• Memorandum of Ground Lease
• Ground Lease Agreement
• Lease Option Agreement
• Assignment of Lease Option

That standardization matters. It reduces legal friction for developers who might otherwise shy away from leasehold structures.

The California Tax Credit Allocation Committee has gone further, publishing formal ground-lease project requirements for tax credit deals. Effective January 1, 2026, CTCAC will discontinue the separate Lease Rider Agreement, with the ground lessor becoming a limited signatory to the regulatory agreement. Existing rider commitments executed before that date remain usable through December 31, 2026.

The rules also protect tenants: a lessor cannot terminate after an owner default until a grace period expires and CTCAC receives written notice with at least a 90-day cure period. Lease variation notices get a 30-day deemed-consent window.

Named California projects show the model in motion. Per trade reporting, Banana Belt Apartments in Santa Cruz (83 units) and Creekside Commons in Santa Clarita (128 units) are expected to close in early 2026 using ground leases.

Institutional capital is following. Safehold has closed over 20 affordable housing ground-lease deals delivering more than 3,200 units, with activity mostly concentrated in California, according to sponsored content from the company. The same vendor-supplied material claims developers typically end up with 10–20% more total capital than in a traditional deal — figures that originate from Safehold itself and haven't been independently verified.

For Altadena property holders weighing whether to build or improve what they already have, these institutional signals are worth understanding before making a move. Altadena Home Remodeling helps homeowners scope that decision with a free remodel-scoping consultation — including a before/after concept render — so you can compare leasehold building against a whole-home renovation of your existing property. Scope it, price it, and do it once, do it right.

Family Lots and Trusts: Applying the Leasehold Principle Carefully

For many California families, the most accessible piece of land isn't on the market — it's owned by a parent, a sibling, or a family trust. Applying the leasehold principle to a family lot can work, but it demands the same formal discipline as any institutional ground lease, plus careful professional guidance.

The research here points to one documented connection: legal analysis from Holland & Knight notes that ground leases are "particularly attractive to family trusts and real estate investment trusts (REITs) due to their lower risk and stability, along with lower landlord costs and obligations." That makes sense — a trust that holds land long-term can generate steady income without development obligations, while a family member builds and owns the improvements on the land.

The core mechanism transfers to family situations cleanly. A ground lease runs 50 to 99 years, and the tenant constructs and owns the improvements at their sole cost, with ownership of the building legally separate from ownership of the land. That separation is what protects both parties: the builder's investment is recognized, and the landholder's title is preserved.

A few principles from institutional practice are worth carrying into any family arrangement:

• Put the lease in writing with formal terms — California's own housing agency publishes standardized ground lease templates for building on land the developer doesn't own, a signal that handshake deals don't belong here.
• Address financeability early — the "financeability" of a ground lease is one of its most important features, and lenders will scrutinize a family lease just as closely as an institutional one.
• Consider leasehold title insurance — given the sizeable investment in constructing on leased land, attorneys describe it as a necessity for tenants.

An important caveat: detailed family-lot guidance is not covered in the available research. The sources here address institutional and affordable housing transactions, not arrangements between relatives. There is no data on private residential lease terms, rent levels, or family-specific structures, and no Los Angeles County or Altadena-specific leasehold information.

That gap matters, because family arrangements carry risks institutional deals don't — estate tax exposure, Prop 19 reassessment questions, and disputes among heirs. Anyone considering building on a relative's or trust's lot should consult qualified legal and tax counsel before structuring the arrangement. A leasehold structure done casually can create problems that outlast the original parties.

If you're weighing a build on family land in Altadena — whether a custom home, an ADU, or a whole-home remodel — the practical first step is scoping the project itself. Altadena Home Remodeling offers a free remodel-scoping consultation with a before/after concept render, and JMB Builders LLC (CSLB #1103479), an Altadena-based licensed general contractor, builds custom homes, ADUs, and whole-home remodels documented at jmb-builders.com. No timeline or permit guarantees are implied, but a clear scope makes every conversation — with lenders, trustees, or family — easier.

What Altadena Property Holders Should Do Next

If you hold land in Altadena and want to build without selling or subdividing, the next move is a clear-eyed fit assessment. A ground lease — typically running 50 to 99 years, with the tenant constructing and owning the improvements separately from the land — is the legally established mechanism for building on property you don't own, and California's institutional framework actively supports the structure through codified leasehold rules and state ground lease templates.

Start by matching the structure to your site and goals. Ground leases are described as "particularly attractive to family trusts" because of their lower risk and stability, which makes them worth exploring for family-held lots — though detailed family-lot guidance is not well covered in available research, so treat that application as an extension of the same leasehold principle rather than settled practice. If your goal is affordability-oriented or institutional-grade development, note that CDLAC requires executed Purchase and Sale Agreements and Lease Agreements — not letters of intent — to demonstrate site control. That documentation standard applies broadly: regulators and lenders want signed, executed agreements, and informal letters of intent will not satisfy them.

Once the structure is plausible, scope the build itself. Construction costs have risen more than 30 percent since 2020, and insurance premiums have climbed over 100 percent in some portfolios, so early cost clarity matters more than ever. For Altadena property holders — including those planning Eaton Fire rebuilds — a practical starting point is a free remodel-scoping consultation with a before/after concept render through featured builder JMB Builders LLC (CSLB #1103479, a disclosed paid placement). JMB is an Altadena-based licensed general contractor building custom homes, ADUs, and whole-home remodels, including fire rebuilds, with work documented at jmb-builders.com. No timeline or permit guarantees are implied — LA County unincorporated permitting runs on its own schedule regardless of how well a project is scoped.

A few questions to bring to that first conversation:

• Who controls the land, and can you produce an executed lease or joint-development agreement rather than a letter of intent?
• Is the term long enough — decades, not years — to support financing and the improvements you envision?
• Does the site favor a preserve-first renovation over demolition, given Altadena's stock of historic and Craftsman-period homes?
• What is your realistic all-in budget at today's construction and insurance costs?

The same logic that makes ground leases financeable at scale — leasehold title, subordinated structures, tenant-owned improvements — also rewards Altadena owners who document site control early and scope carefully before committing. Whether the outcome is a whole-home remodel, an addition, or a rebuild, doing the structural and scoping work up front is what turns a land-constrained idea into a buildable project.