- What happened: Phoenix is adding water storage, while Scottsdale considers stricter water-use rules.
- Who it affects: Arizona homeowners, homebuyers, developers, and real-estate investors.
- Where: Phoenix, Scottsdale, and the broader Valley.
- Source: ABC15 Arizona, published 2026-09-24
What happened
According to ABC15 Arizona, Phoenix is adding water storage as concerns grow about shrinking Colorado River supplies. The report also says Scottsdale is considering stricter water-use rules.
The summary does not specify the size of Phoenix’s planned storage, the details of Scottsdale’s possible rules, or whether any changes have been adopted. Those details matter because water policies can affect different properties in different ways. A rule for new construction may have a different effect from a conservation requirement for existing homes, commercial properties, or landscaping.
Water availability is an important consideration in a desert region. When local governments adjust water planning or use requirements, builders, property owners, and buyers may need to account for approval procedures, conservation measures, and the cost of operating a property. According to ABC15 Arizona, the current issue involves Phoenix water storage and Scottsdale’s consideration of new rules in response to Colorado River supply concerns.
Source: ABC15 Arizona
Why it matters for Arizona homeowners, buyers, and investors
Existing homeowners
For homeowners in Phoenix and Scottsdale, the immediate question is whether any future requirements would apply to existing water users. If a city changes conservation rules, owners may need to adjust landscaping, irrigation practices, or other water use. Those changes can affect household operating costs, although the summary does not provide any estimated cost.
Homeowners should also distinguish between a water-supply concern and a direct change to a property’s value. Water planning alone does not establish that a specific home will gain or lose value. Over time, however, availability, reliability, and the cost of using water can influence how buyers evaluate homes and neighborhoods.
Homebuyers
Buyers considering property in the Valley should ask how water service is handled for the home or development. They can review available city information, ask whether a property is subject to special conservation requirements, and confirm whether planned improvements have the necessary approvals. These checks are especially relevant when comparing newer construction with established homes.
Water policy can also affect timing. If a project requires additional review or changes to meet new requirements, construction or closing schedules may be different from an earlier estimate. Buyers should avoid assuming that a proposed rule is already in effect, and should verify the current status with the relevant local authority.
Investors and developers
For investors, water-related rules can become part of property underwriting. Possible effects include development approval timing, landscaping and irrigation expenses, tenant operating costs, and the attractiveness of future projects. The impact will depend on the property type, location, applicable city requirements, and whether a policy applies to new construction or existing users.
Investors evaluating Phoenix or Scottsdale should build flexibility into due diligence rather than relying only on current assumptions. A change in water requirements does not automatically determine a property’s long-term performance, but it is a factor worth monitoring alongside taxes, insurance, maintenance, rents, and local demand.
What to watch next
- Details on Phoenix’s planned water-storage effort, including its timing and intended role.
- Whether Scottsdale formally proposes or adopts new water-use rules.
- Which properties, projects, or water users would be covered by any new requirements.
- How local agencies describe effects on development approvals and existing water users.
Financing when the picture changes
When local conditions affect a purchase or refinance decision, Mbanc’s Non-QM loan programs may help Arizona owner-occupants and investment-property borrowers who do not fit a traditional bank’s standard profile, including self-employed entrepreneurs, business owners, contractors, investors, retirees, and international buyers. Learn more about Non-QM lending in Arizona and discuss your individual qualifications with a lending professional.
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Frequently Asked Questions
Do the reported changes mean Phoenix or Scottsdale homes will lose value?
Not necessarily. According to ABC15 Arizona, the issue involves Phoenix water storage and possible Scottsdale water-use rules. The effect on a specific property’s value will depend on the final policies, the property, and local market conditions.
Could water rules affect new construction in the Valley?
They could affect development approvals or project timing if new requirements apply to proposed construction. Buyers and investors should confirm the current rules and approval status for a specific project with the relevant local authority.
What should an Arizona buyer check before purchasing?
Ask how the property receives water, whether any conservation requirements apply, and whether planned improvements have the required approvals. Also consider possible operating costs and monitor official updates from the applicable city or agency.
Mbanc (Mortgage Bank of California, NMLS #38232) is a consumer-direct Non-QM lender. This content is for informational purposes only and does not constitute a commitment to lend. All loans subject to credit approval.