Hassayampa Ranch (Z250047)

VERIFIED_PRIMARY

The Maricopa County Board of Supervisors item describes the site as roughly one mile north of the northwest corner of 339th Avenue and Indian School Road in the Buckeye area, with an on-site wash (T2N, R5W, Sec 33E) outfalling to the Hassayampa River. Berry Riddell describes it as west of the White Tank Mountains near the confluence of Jackrabbit Wash and the Hassayampa River.

Key data: ~1 mi N of NW corner of 339th Ave & Indian School Rd; wash T2N-R5W-S33E outfalls to Hassayampa River

Limitation: No street address or APN; acreage cited variously as ~1,687 ac (rezoning case) and 2,000 ac (property) — see limitation on the ownership row.

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Data retrieved

The Hassayampa Ranch block group has the second-highest minority share and lowest median income among the Arizona anchors, with a high ozone EJ percentile.

Key data: BG 040130506034: **42.2% people of color**, $58,947 median HH income; US pctiles 42/22/34/**78**/29/31; state PM2.5 pctile 62

Status date: 2026-08-29

Limitation: Same caveats; rural block groups in Maricopa County are geographically enormous, so the containing block group may poorly represent the immediate area.

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Condition imposed; study not produced

The county master plan record requires a Traffic Impact Study before the first final plat, and neighbors raised traffic among their objections; no completed study or trip figures were found.

Key data: Condition: applicant shall provide a Traffic Impact Study prior to the first final plat approval; neighbors raised traffic concerns

Status date: 2025-12-10

Limitation: The TIS condition text appears in the earlier residential master plan report; whether it carried into the industrial redesignation stipulations was not confirmed. No Maricopa County dBA standard specific to data centers was found — only the general [Noise Ordinance P-23](https://www.maricopa.gov/2271/Ordinances-Regulations-and-Codes).

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