NTT files Mesa data center building permit at 10256 E Elliot Rd, Mesa, Arizona
NTT Global Data Centers PH LLC filed a building permit record on July 31, 2026, for an additional data center building at 10256 E Elliot Road in Mesa, Arizona, with status Submitted. The record cites 308 MW of generator nameplate capacity, summed from stated ratings, and an initial buildout of core and shell with a single 8 MW vault.
Summary of the July 31, 2026 record. Read the source record.
Project facts
| Address | 10256 E ELLIOT RD, Mesa, AZ |
|---|---|
| Jurisdiction | Maricopa County, AZ (Mesa / Goodyear) |
| Operator named in the records | NTT |
| Furthest step on record | Building permit issued, October 27, 2025 |
| Capacity stated in a filing | 308 MW (Generator nameplate, summed from stated ratings) |
| Floor area stated | 235,550 sq ft |
| Site area stated | None stated |
| Records on file | 19, from December 9, 2020 to July 31, 2026 |
Records on file
| Filed | Type and status | What the record says | Source |
|---|---|---|---|
| Building permit Submitted | NTT Global Data Centers Americas is adding an additional Data Center building in Mesa, Arizona as part of a 244MW master planned site. PH6 will consist of 8 vaults with prefabricated UPS electrical power modules, generators and closed loop air-cooled chillers located on the exterior. The initial buildout will consist of a core and shell, underground utilities and equipment pads, and a single 8 MW vault with 56 MW future vaults 2 through 8. The envelope will consist of tilt up concrete panels with a metal structure. Painted metal decking supported by tube steel is anticipated to screen the mechanical equipment on the roof from view. Metal panel walls will screen generator yard equipment, security screening will be provided around yard equipment facing internal to the campus. Applicant: NTT GLOBAL DATA CENTERS PH LLC | Record | |
| Building permit Fees Paid | Underground and foundation only. Under slab utilities, New unlimited area construction II-B, 188,093 SF data center. Civil PMT26-09201. Special inspection for soils and concrete. Results in CoC. Applicant: Sevrin Scarcelli | Record | |
| Building permit Revisions Required | This proposed construction document package covers the tenant improvement (T.I.) work for Vault 1.1 within the previously permitted NTT PH5 data center facility (PMT24-17530) for NTT (owner). This facility is previously denoted as bldg #3. The work includes mechanical & electrical equipment install in Vault 1.1. Special inspection for electrical and fire rated assemblies. Deferred fire alarm, fire sprinklers and Hazardous Mitigation Analysis (HMA). Results in CoO. Applicant: Sevrin Scarcelli | Record | |
| Building permit Revisions Required | This proposed construction document package covers the tenant improvement (T.I.) work for Vault 1.2 within the previously permitted NTT PH5 data center facility (PMT24-17530) for NTT (owner). This facility is previously denoted as bldg #3. The work includes mechanical & electrical equipment install in Vault 1.2. The proposed scope of work includes no new meter. Deferred fire sprinklers, fire alarms, and Hazardous Mitigation Analysis (HMA). Applicant: Sevrin Scarcelli | Record | |
| Building permit Revisions Required | This proposed construction document package covers the tenant improvement (T.I.) work for Vault 1.3 within the previously permitted NTT PH5 data center facility (PMT24-17530) for NTT (owner). This facility is previously denoted as bldg #3. The work includes mechanical & electrical equipment install in Vault 1.3. The proposed scope of work includes no new meter. Deferred fire sprinklers, fire alarm, and Hazardous Mitigation Analysis (HMA). Applicant: Sevrin Scarcelli | Record | |
| Building permit Revisions Required | This proposed construction document package covers the tenant improvement (T.I.) work for Vault 2.2 within the previously permitted NTT PH5 data center facility (PMT24-17530) for NTT (owner). This facility is previously denoted as bldg #3. The work includes mechanical & electrical equipment install in Vault 2.2. The proposed scope of work includes no new meter. Deferred fire sprinklers, fire alarm, and Hazardous Mitigation Analysis (HMA). Applicant: Sevrin Scarcelli | Record | |
| Building permit Issued | Tenant improvement to create a 170 SF office within existing B occupancy office area in 235,550 SF, type II-B, group S-1 and B occupancy PH3/Bldg 7 Data Center Facility. Modification include new walls, doors, ceiling and lighting and associated mechanical and electrical scope. Deferred fire alarm. Results in CoC. Applicant: Allison English | Record | |
| Building permit Issued | Building #3. New 225,606 sf 2-story data center. IIB construction. B/ S-1 occupancies. Unlimited building with 60ft min. yards. Special inspections required for fabricator, steel, concrete, soil, fire caulking and emergency responder radio coverage. New 2" domestic water meter, and new 1" landscape meter. Deferred fire sprinklers and fire alarms. Permit PMT24-17530A modified the separation between Buildings 3 and 6 and included a code analysis evaluating the structures as portions of a single building on the same lot. Results in CoO. Applicant: Sevrin Scarcelli | Record | |
| Building permit Temporary C of O | Building #4. New 225,606 sf 2-story data center. IIB construction. B/ S-1 occupancies. Unlimited building with 60ft min. yards. Special inspections required for fabricator, steel, concrete, soil. New 2" domestic water meter, and new 1" landscape meter. DEFERRED FIRE SPRINKLERS. DEFERRED FIRE ALARM. SPECIAL INSPECTION REQ'D IFC 510 RADIO COVERAGE. Related, prewire Emergency radio system: PMT24-08110. Admin area with 2-hour wall assemblies under PMT24-07027D. REF: PMT25-23757 Vault 1.1, PMT25-23758 Vault 1.2, PMT25-23759 Vault 1.3, PMT25-23755 Vault 2.2 Vault 2.3. Result PARTIAL CoO for Vault 2.1 and Business area. Applicant: TIm Durbin | Record | |
| Building permit C of O Issued | New 235,550 SF shell PH3 Data Center facility for NTT, owner. See PMT22-15608 for the Underground and Foundation for the PH3 facility. Deferred fire sprinklers and fire alarms. Special Inspections for emergency response radio coverage and fire line plush test. Applicant: Kyle David Hester | Record | |
| Building permit C of O Issued | New 202,290 SF data hall with 33260 SF of offices for the construction of the PH2 Data Center facility for NTT, owner. The PH2 data center facility is the second data center on the NTT campus. Please refer to PMT22-15602 for the Underground and Foundation submission material for the PH2 facility. DEFERRED FIRE SPRINKLERS. DEFERRED FIRE ALARM. DEFERRED ELECTRIC VEHICLE GATES. SPECIAL INSPECTION REQ'D IFC 510 RADIO COVERAGE. No new meters. Emergency radio system: PMT24-08110 Permit PMT24-17530A modified the separation between Buildings 3 and 6 and included a code analysis evaluating the structures as portions of a single building on the same lot. Applicant: Kyle David Hester | Record | |
| Building permit Issued | New 235550 SF data center. This permit is for the underground & foundation for the PH3 data center facility. Special inspections are expected to be required for soils, concrete. Applicant: Kyle David Hester | Record | |
| Building permit C of O Issued | T.I. for A 27682 SF Vault 1.2 and a 1514 SF office within the previously permitted NTT PH1 data center facility (PMT21-01151) for NTT (owner). This facility is bldg #5. Includes mechanical & electrical equipment within the building, in the yard and on the roof. Deferred fire sprinklers, fire alarms and generators. Applicant: Kyle David Hester | Record | |
| Building permit C of O Issued | T.I. for Vault 2.2 within the previously permitted NTT PH1 data center facility (PMT21-01151) for NTT (owner). This facility is bldg #5. Includes mechanical & electrical equipment within the building, in the yard and on the roof. SPECIAL INSPECTIONS REQUIRED - EMERGENCY RESPONDER RADIO COVERAGE MFC 510. DEFERRED LIGHTNING PROTECTION SYSTEM. DEFERRED FIRE ALARM. DEFERRED FIRE SPRINKLERS. DEFERRED GENERATOR EQUIPMENT Applicant: Kyle David Hester | Record | |
| Building permit C of O Issued | T.I. for Vault 1.1 within the previously permitted NTT PH1 data center facility (PMT21-01151) for NTT (owner). This facility is bldg #5. Includes mechanical & electrical equipment within the building, in the yard and on the roof. No new meters. SPECIAL INSPECTIONS REQUIRED - EMERGENCY RESPONDER RADIO COVERAGE MFC 510. DEFERRED FIRE ALARM. DEFERRED FIRE SPRINKLERS. DEFERRED LIGHTNING PROTECTION SYSTEM. DEFERRED GENERATOR EQUIPMENT. Applicant: Kyle David Hester | Record | |
| Building permit C of O Issued | The scope of work for this permit is inclusive of a prefabricated Guard Booth to monitor authorized access to a Data Center Facility. Installation of a State of Arizona approved, premanufactured modular building. Field installed equipment. The following items were not installed at the factory by B.I.G. Enterprises. These items are to be designed and installed on site and reviewed and inspected by the local building dept. Foundation and anchoring system, utility connections, connection of exterior HVAC unit, plumbing fixtures, restroom equipment, electrical service conductors, feeders, main disconnect, and grounding electrode conductor. Occupancy classification B, construction type VB, 231 s.f., occupant load 3. Applicant: Holder Construction | Record | |
| Building permit C of C Issued | Water line for NTT Global Data Center Applicant: Marissa Moreno | Record | |
| Building permit C of O Issued | EXPEDITE - New data center facility for NTT (owner). Special inspections required for fabricators, steel, concrete, masonry, wood, soils, sprayed fire-resistant materials. EMERGENCY RESPONDER RADIO COVERAGE Special Inspections MFC 510. DEFERRED FIRE SPRINKLERS. DEFERRED FIRE ALARM. DEFERRED ELECTRIC VEHICLE GATES AND DEFERRED GENERATOR EQUIPMENT New 1" landscape irrigation water meter. A new 2" domestic meter was installed under PMT20-02944. New 3-phase electric meter. New building with concrete tilt-walls with steel beams/joist roof framing. construction type IIB. Civil Plans in this set are "For Reference Only" and were approved under Permit PMT20-02944. Initial case hold stipulation of MFC 1206.2.3 code review will instead simultaneously occur during deferred GENERATOR EQUIPMENT submittal. MFC 1206.2.3 Hold condition deactivated, jte 4-7-21. This permit has an addenda PMT21-01151A Applicant: Kyle David Hester | Record | |
| Building permit C of C Issued | For a new data center,current submission includes foundation and underground work. Special inspections required for soils, concrete. Applicant: Kyle David Hester | Record |
Every row comes from a public permit, air-quality or planning record, linked to its source. A permit shows that work was proposed or approved. It does not show that space is available or that a building is finished. Capacity figures carry the basis the filing gives.
Cite this page
Data Center Scouts, "NTT data center at 10256 E Elliot Rd, Mesa, AZ," https://datacenterscouts.com/data-center-projects/arizona/10256-e-elliot-rd-mesa/, updated October 9, 2026. Source records are linked on the page. Journalists and researchers are welcome to use this data with a link back.
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