The Benefits of Submetering for Multifamily Properties

Master-metered multifamily properties have a structural problem: the property pays the utility bill, but the residents consume the utilities. Without individual measurement, there's no accountability, no conservation incentive, and no way to accurately recover costs.

Submetering solves all three.

By installing individual meters on each unit, you measure actual consumption, bill residents for what they use, and create the price signal that drives conservation. The result: higher recovery rates, lower consumption, better resident fairness, and a direct improvement to NOI.

In our RUBS vs. Submetering comparison, we covered the trade-offs between the two main billing methods. This post goes deeper on why submetering specifically makes sense for multifamily operators.

The Financial Case

Higher Recovery Rates

Submetered properties consistently achieve 85-95%+ cost recovery, compared to 70-85% for RUBS and 0% for properties that include utilities in rent.

For a 300-unit property spending $180,000/year on water and sewer:

• No billing: $0 recovered (property absorbs 100%)
• RUBS at 80% recovery: $144,000 recovered ($36,000 absorbed)
• Submetering at 92% recovery: $165,600 recovered ($14,400 absorbed)

The difference between RUBS and submetering alone is $21,600/year on today's bill.

Consumption Reduction

This is the stat that changes the math. EPA WaterSense cites a national study in which residents of submetered multifamily units used about 15% less water than residents of unmetered units. When residents pay for what they use, they use less.

Applying a 15% reduction to that $180,000 water bill:

• New annual cost: $153,000, a $27,000 drop
• But once units are submetered, residents pay about 92% of the bill, so most of that drop is their savings, not yours
• The operator's share is the unrecovered 8%: about $2,160 a year

That's not a weakness of submetering. Residents paying less for what they actually use is the fairness argument. It just means the operator's return comes mainly from recovery, not conservation.

The ROI Math

Improved Cash Flow

With RUBS, billing cycles often lag because you're waiting for the master bill before you can calculate allocations. With submetering, you have real-time consumption data and can bill on your schedule. Faster billing means faster collection and improved cash flow.

The Operational Case

Resident Fairness

The #1 complaint about RUBS is fairness — conservation-minded residents subsidize high-usage neighbors. Submetering eliminates this entirely. Each resident pays for exactly what they consume. Fair billing means fewer disputes, fewer complaints, and higher resident satisfaction.

Data Visibility

Submeters generate consumption data that enables:

• Leak detection — a unit with sustained high consumption likely has a running toilet or dripping faucet
• Anomaly alerting — sudden spikes flag issues before they become costly
• Benchmarking — compare consumption across similar units to identify outliers
• Trend analysis — track consumption patterns over time to inform capital planning

This data feeds directly into billing strategy optimization and helps operators find the hidden revenue in their billing operation.

Regulatory Positioning

As we track in our 2026 Compliance Guide, the regulatory trend strongly favors measurement over estimation. Submetering positions you ahead of compliance requirements:

• Maryland's SB 130 caps submetered water charges at what the water provider bills, plus up to $1 per unit per month for administration, from October 1, 2026 — measurement-based billing is what regulators prefer
• States restricting RUBS push operators toward submetering as the compliant alternative
• Record-keeping requirements are easier to meet when you have actual meter data vs. allocation formulas

What to Submeter First

Not every utility needs submetering simultaneously. Prioritize by ROI:

Common Concerns (and Reality)

"The installation cost is too high"

At $200-600/unit, it's a real capital expenditure. The payback comes from recovery, so it's fastest where install costs are low and current recovery is weak, and slower when RUBS is already recovering most of the bill. Run the math with your own numbers: in the example above it's about five years, and the benefit continues for the life of the meters.

"We'll disrupt residents during installation"

A professional installation team can install water submeters with minimal disruption — typically a few hours of water shutoff per building. Electric meter installation often requires no unit access at all (CTs are installed at the electrical panel). See our guide to professional submetering services for what to expect.

"Our property is old and the plumbing won't work"

Some older properties have plumbing configurations (shared risers, inaccessible pipes) that make water submetering impractical. In those cases, RUBS is the right interim solution. But electric submetering is almost always feasible regardless of building age.

"Residents will push back"

Residents push back against unfair charges, not fair ones. When you show residents that submetering means they only pay for what they use — and that conservation directly lowers their bill — most respond positively. The transition communication matters more than the billing method.

Ready to submeter your properties?

100,000+ meters installed. Design, installation, commissioning, and billing — all from one provider. Starting at $0.50 per unit for billing.

Talk to the Team

Getting Started

If you're considering submetering for your multifamily portfolio:

1. Assess your properties. Which ones have the highest utility costs and the most units? Start there for maximum ROI.
2. Choose your utility priority. Water first for most properties. Electric if units have individual HVAC.
3. Get a site assessment. A professional provider will evaluate your plumbing/electrical and recommend the right meters. See our meter solutions page for what we offer.
4. Plan the billing transition. If you're currently on RUBS, plan for a parallel billing period. If you're not billing at all, submetering is the path to immediate recovery.
5. Budget for the long term. Include ongoing maintenance in your projections — not just installation.

The operators who submeter their properties recover more, spend less on utilities, and have the data to prove it. The ones who don't are leaving money on the table every month.

Related Articles

Oct 27, 2026

The Hidden Cost of Outsourced Billing: A Line-Item Teardown

Billing service company fees are spread across your GL, your resident ledger, and your remittance statements. Here's every fee category, who pays it, and exactly where to find it on your own books.

Read more

Oct 22, 2026

Utility Billing Cost Per Unit: What Operators Actually Pay in 2026

There's no public rate card for outsourced utility billing, so most operators have never seen their real cost per unit. Here's how to calculate the visible fee and the all-in number, and how both compare to billing in-house.

Read more

Oct 13, 2026

California Submeter Testing: The State Rule, and Why Your County Matters More

California sets a 10-year ceiling on submeter inspections. Your county can ask for far more — San Diego wants 10% of every meter type each year. Here's how the rules stack up and how to stay ahead of them.

Read more