Is RUBS Worth It for Long Beach Multifamily Rentals?

What Is RUBS, and How Is It Different From Submetering?

A ratio utility billing system allocates one master utility bill among the units in a Long Beach building using a formula: square footage, occupant count, a blend of the two, or in some programs a simple flat per-unit split. No individual meter reads a tenant’s actual consumption. The building has a single master meter, the utility bills the owner one number, and RUBS is the math that turns that one number into line items on each tenant’s statement.

Submetering is a different mechanism entirely. A submetered building has an actual measuring device on each unit, and the tenant is billed for what that device shows they used. California addresses submetering directly: Civil Code Section 1954.201 and the sections that follow it require that when a submeter exists, the tenant’s bill be calculated as their submeter reading as a proportion of the property’s total metered usage, not by formula. That statute’s protections are built around an actual meter existing. A formula-only allocation with no meter at all sits outside what that chapter was written to govern, which is exactly the kind of gap a landlord-tenant attorney should confirm before an owner leans on it.

A flat utility charge is the third option, and it is simpler than either: every unit pays the same fixed dollar amount regardless of size or occupancy, or the owner absorbs the cost inside the rent and charges nothing separately. Long Beach owners weighing RUBS are almost always choosing between three things, not two: keep absorbing the master bill as an operating cost, charge a flat number that ignores usage differences, or build a RUBS formula that tries to approximate fairness without the capital cost of physical meters.

Why Do Long Beach Owners Consider RUBS in the First Place?

Most Long Beach buildings that end up on a RUBS conversation were built before individual water submeters were common in multifamily construction. California’s building-standard mandate for water submeters in new construction, Health and Safety Code Section 17922.14, applies going forward from the triennial code cycle that started in 2018. It was never written as a retrofit requirement for older buildings, which is why a large share of Long Beach’s existing multifamily stock, including the small multifamily properties this SE LA County market is full of, remains on a single master meter with no legal obligation to install submeters after the fact.

Retrofitting physical submeters into an older Long Beach building is a real construction project: plumbing access, unit-by-unit installation, and a capital outlay that does not pencil for many owners, especially on smaller multifamily assets. RUBS gets considered because it approximates the fairness of submetering, tenants who use more space or house more people pay proportionally more, without the plumbing work. Rising water and trash costs in the region make the master bill a bigger line item than it used to be, and an owner who has been absorbing 100% of it starts asking whether some of that belongs on the tenant side of the ledger.

The honest reason RUBS gets adopted is almost always cost recovery, not fairness for its own sake. That is a legitimate business reason. It is also the reason this decision needs to be made with clear eyes about what RUBS costs to run and what it costs in tenant goodwill, both covered below, rather than assumed to be a clean win because the master bill number looks large on a monthly P&L.

What Does RUBS Actually Recover Across a Portfolio?

The arithmetic below is illustrative only. It is not a Long Beach utility rate, it is not a published RPM Southland figure, and it should never be treated as a quote. It exists to show the mechanics of how RUBS math works, so an owner can plug in real numbers from an actual master bill before deciding anything.

Picture a 20-unit Long Beach building with a combined 16,000 leasable square feet across all units, on a single master water, sewer and trash account. Assume, purely for illustration, a combined monthly master bill of $4,200. A pure square-footage RUBS formula divides that bill by total square footage: $4,200 divided by 16,000 square feet equals $0.2625 per square foot per month. A 650-square-foot unit would be allocated roughly $171 per month. A 1,050-square-foot unit would be allocated roughly $276 per month.

Illustrative RUBS math with clearly labeled assumed inputs. Pull your building’s actual master bill and square footage before running this for real.

Scale that across a portfolio and the recovery adds up: on this illustrative 20-unit example, RUBS shifts roughly $4,200 a month, over $50,000 a year, from the owner’s operating expense line to the tenant side. That is the number that makes RUBS attractive on paper. It is also the number that has to be weighed against the administrative cost and the tenant-relations cost covered in the next two sections, because gross recovery is not the same thing as net benefit once both of those are subtracted out.

What Does RUBS Cost to Run Correctly?

Running RUBS properly is an ongoing administrative function, not a one-time setup. An owner needs a defined allocation formula in writing, applied the same way to every unit, because an inconsistent formula is the fastest way to generate a dispute or a fair-housing complaint. That formula has to be disclosed to tenants, ideally in the lease itself, describing the method used and how it is calculated, consistent with the general utility-disclosure duty California already imposes on landlords under Civil Code Section 1940.9 for shared-meter situations.

Billing itself is a monthly cycle: someone has to pull the master invoice, run the formula, generate individual statements, and post them to each tenant’s ledger, whether that is done in-house through a property management system or through a third-party utility billing vendor. Either path has a real monthly cost per unit, and that cost needs to be netted against the recovery in the previous section before an owner can say RUBS actually improved net operating income on a Long Beach building.

Move-ins and move-outs mid-cycle complicate the formula further. A tenant who moves out on the 12th of the month did not use utilities for the other 18 days, and a formula that bills them the full month’s allocation invites a dispute, or worse, a legitimate complaint that the charge does not reflect actual responsibility. Proration logic has to be built into the system from day one, not bolted on after the first move-out generates a problem.

Disputes are the operational cost owners underestimate most. A tenant who receives a $200 utility allocation on top of rent will sometimes ask for the math, and the owner or manager needs to be able to produce it: the master bill, the formula, the square footage or occupancy figure used for that unit, in writing, on request. A RUBS program with no ability to show its work is a RUBS program that loses disputes and, eventually, loses the tenant.

What Happens When a Tenant Refuses to Pay the Allocation?

A properly disclosed RUBS charge, stated in the lease as an amount owed alongside rent, is generally treated the same way any other charge under the rental agreement is treated when it goes unpaid: it becomes part of what the tenant owes, and nonpayment triggers the same notice-and-cure mechanics that apply to unpaid rent or any other lease obligation. Long Beach owners already have a resource on that specific mechanic; see our guide on the 3-day notice to pay or quit for how that process works in California generally. This article does not restate those specifics, because the exact notice content and timing for a RUBS-specific nonpayment scenario is precisely the kind of question to confirm with an attorney before acting, not something to assume tracks rent nonpayment exactly.

A tenant refusing to pay a newly imposed allocation is also, functionally, a signal worth listening to independent of the legal mechanics. If one tenant refuses, it may be an isolated collections issue. If several tenants across a Long Beach building push back on the same new charge at the same time, that is usually a sign the disclosure, the formula, or the timing of the rollout has a real problem, and escalating straight to notices without fixing the underlying issue tends to generate turnover instead of collections.

Does Adding RUBS Count as a Rent Increase Under AB 1482?

A Long Beach owner rolling RUBS out across a rent-capped portfolio needs to put this exact question to an attorney first, because it is genuinely unresolved rather than something this article can answer for you. Civil Code Section 1947.12, the AB 1482 rent-cap statute, addresses one thing precisely about how the rent figure is calculated: it excludes owner-offered discounts, incentives, concessions or credits from the “lowest gross rental amount” used to measure the cap, and requires those to be separately listed in the lease. The statute does not say, one way or the other, whether a newly imposed mandatory utility allocation counts toward or against the gross rental rate for cap purposes.

The economic logic of why this matters is straightforward even without a definitive statutory answer. A tenant who paid nothing toward water, sewer and trash last month and receives a $170 monthly RUBS charge this month has experienced a real increase in what they pay to live in that Long Beach unit, whatever the paperwork calls it. If a regulator or a court were ever to treat a mandatory, non-optional utility allocation as functionally part of the rent, an owner who imposed it on top of an already-maximized AB 1482 increase could find themselves over the cap without ever raising the number labeled “rent” on the lease.

Long Beach adds a second layer worth knowing before that conversation: the city has no separate municipal rent-stabilization ordinance of its own. AB 1482 is the only rent-cap authority reaching Long Beach rentals; the city’s own Municipal Code Chapter 8.99 covers just-cause eviction and relocation payments, a different subject entirely, covered in our guide to Long Beach’s just cause ordinance. There is no local Long Beach rule layered on top of AB 1482 that separately addresses RUBS. Put the specific question, does adding this allocation to my rent-capped units create AB 1482 exposure, in front of a landlord-tenant attorney before implementation, not after.

Can I Add RUBS to an Existing Lease, or Only New Ones?

An owner cannot unilaterally rewrite an existing tenant’s lease terms mid-term to add a new mandatory charge that was not part of what the tenant agreed to pay. A tenancy is a contract, and utility responsibility is a material lease term. Adding RUBS to a sitting tenant generally requires either the tenant’s written agreement to amend the lease, or treating it through whatever change-of-terms mechanism applies at lease renewal or on a month-to-month tenancy, not a unilateral notice slipped under the door.

For a month-to-month Long Beach tenancy, changing terms follows the same statutory notice framework that governs rent increases. Civil Code Section 827 requires at least 30 days’ written notice for a change of 10% or less measured against the lowest amount charged in the trailing 12 months, and at least 90 days’ written notice above that 10% threshold. Whether a new RUBS charge gets measured against that 10% threshold in the first place circles directly back to the unresolved AB 1482 question above; the notice-period mechanics of Section 827 are the vehicle, but the underlying characterization question still needs an attorney’s answer specific to the lease and the unit.

New leases are the cleaner path. A prospective Long Beach tenant who sees the RUBS formula disclosed in the lease before signing has agreed to the term as a condition of the tenancy from day one, which avoids the mid-term amendment problem entirely. Owners converting a portfolio to RUBS commonly phase it in this way: apply it to new leases and renewals as they come up naturally, rather than attempting to impose it on every unit simultaneously regardless of where each tenant sits in their lease term.

What Does RUBS Cost You in Tenant Relations?

Owners running the RUBS math tend to model the recovery side carefully and skip the relationship side entirely, and that is the most common mistake in this decision. A Long Beach tenant who has been paying nothing toward water and trash for the length of their tenancy and then starts receiving a monthly bill on top of rent has experienced the full weight of a rent increase, regardless of what line item it appears under on the statement. The tenant’s monthly out-of-pocket cost went up. That is what they will react to, not the technical distinction between “rent” and “utility allocation.”

That reaction has a real cost attached to it: turnover. A tenant who feels nickel-and-dimed by a new mandatory charge is measurably more likely to look for another Long Beach unit at renewal, even one at a nominally higher rent, simply because the new charge reads as bad faith rather than a legitimate cost pass-through. Every turnover carries vacancy days, marketing and screening time, and the wear-and-turn costs of preparing a unit for a new tenant, on top of whatever RUBS recovers. An owner who gains $170 a month from one unit through RUBS and loses that same tenant eighteen months earlier than they otherwise would have has not obviously come out ahead once vacancy and turnover costs are counted against the recovery.

The owners who get through a RUBS rollout with the least tenant friction are the ones who over-communicate: a written explanation of what the charge is, why it exists, exactly how it is calculated for that specific unit, and, where legally permitted, a reasonable runway before it takes effect. Framing it honestly, this is how our master water and trash bill gets divided, here is your building’s actual number, here is your unit’s share, does more to protect renewal rates than any amount of formula precision.

When Is RUBS Worth It at Portfolio Scale, and When Isn’t It?

RUBS tends to make sense at portfolio scale in a fairly specific set of Long Beach circumstances: a genuinely large master utility bill relative to rents, enough units in the building or across the portfolio to justify building the billing process once and running it at volume, an owner or manager with the systems to prorate move-ins and move-outs correctly and produce a clean audit trail on request, and headroom under the AB 1482 cap, confirmed with counsel, so a functional rent increase does not create exposure.

RUBS tends not to be worth it on a small Long Beach holding, a fourplex or a handful of scattered single-family and small multifamily units, where the administrative overhead of running a compliant formula program eats most or all of the recovery, and where losing even one tenant to a poorly received rollout represents a large percentage swing in that owner’s total occupied doors. It also tends not to be worth it on a portfolio already running close to the AB 1482 ceiling, where the legal uncertainty above is not a theoretical risk but an immediate one.

The honest framing for a Long Beach owner sitting on this decision: RUBS is a real, commonly used tool, not a scam and not automatically a legal problem, but it is also not free money. It trades a known, absorbed operating cost for an unknown quantity of administrative work, dispute risk, and tenant goodwill, in exchange for a recovery number that has to be run against real building data, not assumed.

What Does a Property Manager Handle vs. What Stays the Owner’s Call?

Whether to adopt RUBS at all, on which units, and on what timeline, is an owner decision. It touches rent-cap exposure, lease structure, and legal risk tolerance that only the owner and their attorney can weigh, and it is not a decision a manager should make unilaterally on an owner’s behalf. Every property owner should look at a change like this the way Miles Williams frames every management decision: not as a line-item cost or savings, but as a question of how it affects the value of the asset over the time it is held.

“Every property owner should look at their property as an asset and not just what’s the fee a property manager is going to cost me. So they should ask, how are you going to increase the value of my asset over the time that it’s under your management?”
Miles Williams, Broker/Owner, RPM Southland | DRE #01968830

To be direct about what RPM Southland does and does not do here: RPM Southland does not administer a ratio utility billing program as a service, and this article is not a pitch for one. What a manager appropriately handles, once an owner and their attorney have decided to move forward, is the operational execution that any lease term requires: applying the disclosed formula consistently, handling tenant questions about their statement, coordinating move-in and move-out proration, and flagging disputes before they escalate. If you are weighing whether RUBS makes sense for a specific Long Beach building, that is exactly the kind of conversation to have with your account manager alongside your attorney, not a service to assume any manager already provides.

RPM Southland’s property evaluations every six to eight months already give an owner a documented, photographed record of a building’s condition, which is useful context if a RUBS rollout ever needs to be justified or defended later. That evaluation cadence, combined with a dedicated account manager per owner, is the operational infrastructure a Long Beach owner needs in place before adding a new billing complexity like RUBS on top of it, not a reason to add RUBS in the first place.

Call (562) 270-1777 or visit rpmsouthland.com if you own multifamily property anywhere in our SE LA County territory, Long Beach, Lakewood, Cerritos, Downey, Norwalk, Bellflower, Signal Hill, Carson, Torrance, Compton, Lynwood, San Pedro, or Hawthorne, and want to talk through what a utility billing change would actually mean operationally for your specific units before you take it to an attorney.