Santa Monica is not LA. Not legally, not economically, not from a rent control perspective. If you own multifamily in Santa Monica, the rules and the buyer pool you are operating within are distinct from everything that applies to an LA City building three miles east.
That distinctness is what makes Santa Monica one of the most resilient multifamily markets in the entire state. It is also what makes pricing a Santa Monica building a different exercise than pricing an LA City building.
Santa Monica has its own Rent Control Board, its own ordinance, its own allowable rent increase schedule, and its own just-cause eviction rules. LA City RSO does not apply. AB 1482 applies only to the limited inventory not covered by Santa Monica's own ordinance. The July 2026 LA City RSO rewrite does not affect Santa Monica buildings at all.
That insulation from LA City's regulatory changes is one of the reasons Santa Monica cap rates have been among the most stable in the state through the 2023-2025 expansion. Buyers underwrite Santa Monica against Santa Monica's rules, not against LA's.
The trade-off: Santa Monica's own rent control regime has historically been one of the most restrictive in the state. Most pre-1979 Santa Monica buildings are covered. Allowable rent increases are set annually by the Rent Control Board. Tenant protections are strong. Just cause requirements are explicit.
Santa Monica multifamily trades in the 3.5% to 4.5% range as of Q1 2026. Price per unit: $450,000 to $650,000 on stabilized inventory — among the highest in LA. Days on market 75 to 120 on clean deals.
Two notes on the current market.
Luxury Class A (4-5 star newer post-1995 inventory) is carrying elevated vacancy. Roughly 13% vacancy on the top-tier product, which has pulled asking rents flat and compressed effective rents. The supply delivered during the 2021-2023 development cycle has absorbed more slowly than projected.
Stabilized Class B and C inventory continues to clear. The broader Santa Monica demand story is intact. Rents per unit remain among the highest in LA. Institutional capital treats Santa Monica as a core hold.
The LA City RSO rewrite (December 2025) is the defining landlord story of 2026 for LA City. It does not apply in Santa Monica. The LA County RSTPO tightening (January 2025) does not apply. AB 1482 is a backstop only for buildings not covered by the Santa Monica ordinance, which is a small cohort.
What Santa Monica did see: the same statewide interest rate environment that moved cap rates broadly, and the same buyer pool reset that happened across LA. But the submarket-specific regulatory overhang that reshaped pre-1978 LA City inventory did not happen here.
The practical result: a Santa Monica building and an otherwise-identical LA City Koreatown building are on meaningfully different trajectories now. The Santa Monica building faces its own rent control but not the incremental 2025-2026 tightening. The Koreatown building faces both.
Institutional capital dominates. PE funds, REIT-adjacent buyers, and large family offices with Westside portfolios are the deepest bidders on stabilized Class A and B. They pay tight cap rates because they have patient capital and believe in the submarket's long-term demographics.
1031 exchangers from across California target Santa Monica as a premium reinvestment destination. They pay strong pricing, especially for clean stabilized inventory.
High-net-worth private buyers and family offices also acquire here, often off-market. Santa Monica has a deep community of families whose wealth is tied to local real estate going back 40+ years.
One: the building's capital reserve position is thin and major work is approaching. Santa Monica's older inventory — pre-1979 buildings under the local ordinance — is in some cases approaching significant deferred capital: roof, plumbing, seismic retrofit, common-area systems. If the cost to execute 5-year hold capital exceeds the net after-tax proceeds of a sale today, the math is telling you something.
Two: your rents are deeply below market and the gap is rent-control-locked. Santa Monica rent control historically caps increases tightly. Buildings with 20-25 year tenants paying half of market are common. That locked-in gap is a real discount on DCF value. Selling captures current value; holding captures further locked-in gap.
Three: you own multiple buildings and want to concentrate exposure. Santa Monica selling often funds LA or Valley buying via 1031 exchange. The basis preservation math is uniquely powerful in Santa Monica because price per unit is so high — a $10M Santa Monica building 1031ed into three $3M Valley buildings accomplishes significant portfolio diversification while preserving tax position.
Fast: current Rent Control Board registration, documented just-cause history, clean estoppels, operating statements matching tax returns, capital improvements documented, seismic retrofit complete.
Slow: registration gaps with the Rent Control Board, undocumented rent increases, contested eviction history visible in Board records, or ambiguous tenant status on long-term occupancies.
The Rent Control Board's records are public and buyers' counsel will pull them. Surprises found in those records during due diligence become price concessions.
Santa Monica is a submarket where the long view has always won. Owners who bought here in the 1990s and held through multiple cycles own one of the most valuable asset classes in California. Santa Monica rent control has been criticized by landlord advocates for decades; meanwhile, Santa Monica multifamily has appreciated more than almost any comparable residential real estate in the state.
That does not mean holding forever is the right answer for every owner. It means that selling Santa Monica is a different decision from selling almost anywhere else in LA — the trajectory is uniquely resilient, the rent control regime is uniquely restrictive but also uniquely stable, and the buyer pool is uniquely deep.
The Santa Monica sellers who do best are the ones who decided to sell for their own reasons (retirement, portfolio concentration, management fatigue) rather than market reasons. The market will usually be fine. The question is whether continuing to own is the right answer for the owner.
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What is the current cap rate for Santa Monica multifamily?
3.5% to 4.5% as of Q1 2026 on stabilized inventory. Luxury Class A with elevated vacancy trades wider. Stabilized Class B and C cluster in the middle of the range.
Does the July 2026 LA City RSO rewrite affect Santa Monica buildings?
No. Santa Monica has its own Rent Control Board and ordinance. LA City RSO changes do not apply in Santa Monica. Your building is governed by Santa Monica's own rules.
How does Santa Monica rent control compare to LA City RSO?
Santa Monica's ordinance has historically been among the most restrictive in the state. Allowable rent increases are set annually by the Santa Monica Rent Control Board, typically lower than statewide AB 1482. Tenant protections and just-cause requirements are strict.
How long does it take to sell a Santa Monica multifamily building?
75 to 120 days on clean stabilized transactions. Institutional buyers in the current environment close efficiently. Buildings with registration or tenant-documentation issues close slower or with price concessions.
Who is buying Santa Monica multifamily in 2026?
Primarily institutional capital — PE funds, REIT-adjacent buyers, large family offices. 1031 exchangers from across California. High-net-worth private buyers with Westside orientations. Buyer pool is one of the deepest in the state.
Michael Sterman is Senior Managing Director Investments at Marcus & Millichap, specializing in Los Angeles multifamily transactions including Santa Monica, West LA, Mar Vista, and adjacent Westside submarkets. $1.41 billion across 254 closed transactions.
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