How San Diego built apartments faster than Los Angeles

San Diego is outbuilding Los Angeles on apartments

San Diego County is adding new apartments at nearly twice the pace of Los Angeles County, according to CoStar data cited in reporting.

Over three years, apartments under construction in San Diego County rose 10% while Los Angeles County fell 33%, an 11-year low. For renters, that gap matters because supply is thinning where demand remains high.

Sources say process is the separator, not geography. San Diego is seen as more predictable for builders, with clearer rules and quicker approvals. Los Angeles is seen as more discretionary, where project-by-project decisions can stretch timelines.

What the construction numbers actually measure

The comparison is based on apartments under construction, a snapshot of projects actively being built.

CoStar tracking shows San Diego’s count increased 10% from three years earlier, while Los Angeles dropped 33% over the same span. In Los Angeles, the decline brought construction to an 11-year low in the three months through December.

This measure matters because it reflects decisions made months earlier by lenders and developers. A weaker pipeline today usually means fewer new move-in options later.

San Diego’s approvals are designed to be predictable

Industry sources say San Diego is easier to navigate because projects that match city plans can be approved at the staff level. Kevin Shannon of Newmark said San Diego has a clear, enforced General Plan and usually sticks to it.

Planning Department spokesman Peter Kelly said the city relies on updated community plans, streamlined permitting, and state housing laws to boost supply.

He added that San Diego updates its Land Development Code annually to simplify permitting and accelerate production. For builders, fewer surprises can mean faster starts.

Los Angeles gives elected officials more veto power

In Los Angeles, elected officials including the City Council have discretion over whether many projects can move forward.

Reporting notes that this can add months as proposals wind through City Hall and public meetings. Even when a project fits local needs, the timeline can expand with each additional review step.

Developers say the uncertainty changes financial math early. If approvals are not predictable, lenders price in delay or walk away. That can kill projects before design is finished.

A planning mismatch slows projects before they start

According to reports, Los Angeles’ General Plan is outdated and inconsistent, while San Diego’s is clearer and enforced. Almost everything requires discretionary approvals, which pulls projects into longer political processes.

When core plans are unclear, builders often need exceptions, amendments, or negotiated conditions. Each extra step creates more opportunities for delay and redesign.

Well-meaning rules can raise the cost to build

Los Angeles leaders have tightened renter protections in hopes of slowing rent growth and reducing homelessness.

Developers and economists said that some regulations can increase the cost of building and maintaining apartments. When costs rise faster than rents, projects stop penciling out.

Supporters argue that tenant protections prevent displacement and stabilize neighborhoods. Critics warn the burden often lands on future renters who never see those units built.

Rent control signals shape investor appetite

Rent control has been central in Los Angeles, where the city recently lowered the cap on rent increases for rent-stabilized apartments. Reporting notes that the cap does not apply to units built after 1978, yet developers say it still sends a warning signal.

San Diego does not have traditional rent control, though it follows statewide tenant protections. Builders say that makes revenue forecasts easier to model. Supporters of tighter caps say renter stability is worth the tradeoff.

The dispute comes down to how much regulation investors will tolerate before construction slows.

Measure ULA adds another layer of uncertainty in L.A.

Developers cite Measure ULA, the city’s mansion tax, as a reason some projects shift away from Los Angeles.

Reporting also notes complaints about other local rules that make it harder to evict tenants who do not pay rent. Builders say these policies increase risk and delay returns.

Apartment developer Ari Kahan of California Landmark Group said Los Angeles has been “redlined by the majority of the investment community.” The point is financing: apartment deals rely on long-term institutional capital.

San Diego keeps adding capacity near transit and services

San Diego officials say speeding permits are only half the story. Peter Kelly said the city adds capacity through rezoning and updates to community plans, with a focus on placing new homes and jobs near transit, parks, and services.

Zoning choices matter because they decide what is legal before any application is filed. If more sites allow apartments by right, builders can spend less time seeking exceptions.

San Diego’s ADU bonus program turned small lots into more homes

San Diego’s ADU Bonus Program allows extra units when some are deed-restricted as affordable.

The city says one bonus ADU can be permitted for each affordable ADU, with no limit in transit priority areas. Reporting shows the program has been used for apartment-like clusters, even though permits are filed as ADUs.

Supporters argue the rules help “missing middle” housing pencil out on lots. Critics say the flexibility can push density too far and trigger backlash. San Diego has debated reforms, showing how quickly housing politics can shift.

Lower fees and fewer rules can change the pro forma

Industry insiders told the Los Angeles Times that San Diego is more welcoming to developers, with fewer regulations and fees.

They argue that smaller cost add-ons matter because apartment margins are already thin. When costs jump late, projects can die even after years of planning.

Los Angeles has added layers that builders say are harder to price up front. The counties are not facing different housing needs so much as different approval and cost climates.

Even San Diego builders face national headwinds

San Diego’s advantage does not mean projects are easy. Reporting notes that higher interest rates have made construction loans more expensive than in recent years.

Federal policy has added pressure through higher tariffs and workforce disruption, according to the Los Angeles Times reporting.

A Bay Area Council Economic Institute report says about 61% of California construction workers are immigrants, and 26% of that group is undocumented.

If you live near a train station or rent anywhere in California, check out this change could affect you sooner than you think.

Both regions have demand, but only one is adding supply

Los Angeles has one of the lowest vacancy rates in the country and some of the highest rents, according to the Los Angeles Times reporting. Even with that demand signal, the supply of fresh rental units is thinning out. That combination is why the slowdown has drawn attention.

In San Diego, real estate broker Kip Malo said more supply should help bring down rents. It is a simple idea, but it depends on units actually getting built. When approvals move faster, developers can respond sooner to market needs.

When construction stalls, the ripple effects hit the entire economy. Here’s why this drop matters.

Do you think Los Angeles should copy San Diego’s approach? Share your thoughts in the comments.

This slideshow was made with AI assistance and human editing.

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