San Antonio landlords have another operating cost to watch heading into 2027. City Council approved a new San Antonio Water System rate plan on October 8 that will begin raising residential water and sewer bills in January, with additional increases scheduled over the following several years.
The approved plan calls for residential rates to increase 6.9 percent in 2027, followed by another 6.5 percent in 2028 and additional increases through 2030. Altogether, the changes could raise rates by as much as 29 percent by 2030. The average residential bill is projected to move from about $56.68 today to roughly $73.19 by the end of the plan. City officials say the additional revenue is needed for a roughly $3 billion capital program addressing aging water and wastewater infrastructure.
For landlords, the increase is not enormous in a single month. The concern is what happens when another recurring expense gets added to taxes, insurance, repairs, landscaping and everything else that has become more expensive to operate. Rental owners should know now who is paying the water bill at each property and how that cost fits into the property’s numbers.
Start With What the Lease Actually Says
Some San Antonio landlords put water service directly in the tenant’s name. Others keep the account under the owner’s name and bill the tenant, include water in the rent or absorb some portion of the cost themselves. The rate increase will affect each setup differently, which makes the lease the first place an owner should look.
If the tenant already pays SAWS directly, the landlord may not see the increase on the property ledger. It can still affect the tenant’s overall housing budget, however. Someone paying more for water, electricity, groceries and insurance may become more sensitive to a rent increase when renewal comes around. Owners who pay the water bill themselves will feel the increase much more directly.
This is also a good time to clean up vague arrangements. If water is included in rent because “that is how it has always been done,” calculate what the property actually consumed during the past year. Owners should know the annual number before deciding if the same structure still makes sense at the next lease renewal.
Irrigation Can Make the Increase More Noticeable
The average residential bill does not tell the whole story for every rental house. Larger properties, homes with irrigation systems and houses where the owner maintains extensive landscaping can use considerably more water than a typical residence.
That matters in places where curb appeal is part of the property’s value. A house in Stone Oak, Alamo Ranch or another neighborhood with an irrigation system may need enough watering to protect landscaping during a long, dry San Antonio summer. Cutting water use too aggressively can save money one month and create a much larger landscaping bill later.
Landlords should look at actual usage instead of assuming the increase will be a few dollars everywhere. Pull several months of bills, identify unusually high usage and check irrigation systems for leaks, broken sprinkler heads or watering schedules that no longer make sense. A slow leak becomes more expensive every time the utility rate increases.
Raising the Rent May Not Be the Easy Answer
Landlords can be tempted to treat every increase in operating expenses as justification for raising rent. San Antonio’s current rental market makes that harder.
Zillow’s late-September data put the average rent for a San Antonio house at about $1,750, down $50 from a year earlier. There were roughly 3,880 houses available for rent, and the average listing had been on the market for 65 days.
That is not a market where every additional expense can automatically be passed to the tenant. An owner who raises rent $75 to recover several different cost increases may lose a tenant and create a month of vacancy worth $1,700 or $1,800. The better approach is to look at the property’s entire operating picture. A small increase in water may be manageable without changing the rent, while taxes, insurance and maintenance together may eventually require an adjustment.
San Antonio’s Utility Costs Are Becoming Part of the Bigger Budget Conversation
The SAWS increase had been debated for months. City Council delayed an earlier proposal in June and required the utility to return with a revised plan before ultimately approving the new rate structure in October. The discussion centered on how much investment is needed to maintain aging infrastructure and how quickly customers should be asked to pay for it.
That debate matters to rental owners because infrastructure costs eventually show up somewhere. Water lines, wastewater plants, roads and utility systems have to expand and be repaired as San Antonio continues growing. For a landlord, those expenses may appear as utility increases, higher taxes, assessment changes or other operating costs spread across several years.
The useful response is not to overreact to one SAWS bill. It is to make sure the rental budget has enough room for expenses that gradually move higher. A property that only works financially when every utility, tax and repair cost stays flat is already operating with very little margin.
Review the Property Before January
The first SAWS increase begins January 1, 2027, which gives landlords a short window to look at their properties before the higher rates arrive. Check who is responsible for water under the lease, review the past year’s bills and pay particular attention to properties with irrigation, pools or unusually high consumption.
For owners with several San Antonio rentals, comparing water usage across houses can be especially useful. If two similar homes have dramatically different bills, the difference may point to a leak, irrigation problem or tenant usage pattern that deserves attention before prices rise.
A 6.9 percent rate increase by itself probably will not change the economics of a good rental. But San Antonio landlords rarely deal with expenses one at a time. The owners who keep their properties profitable are usually the ones who notice small cost changes early, understand where the money is going and adjust before several small increases become one large problem.