# Building permits at 10256 E Elliot Rd, Mesa, AZ 53 permits on record here. The newest, Jul 31: NTT Global Data Centers Americas is adding an additional Data Center building in Mesa. Within a quarter mile, the city has issued no other permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jul 31, 2026 | Roofing | 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 bui | Not listed | [PMT26-13890](https://nearbypermits.com/mesa/permit/PMT26-13890/) | | Jul 31, 2026 | Alteration or repair | Installation of new parking canopies in existing parking lot. | Not listed | [PMT26-13888](https://nearbypermits.com/mesa/permit/PMT26-13888/) | | Jul 31, 2026 | Alteration or repair | Installation of new parking canopies in existing parking lot. | Not listed | [PMT26-13887](https://nearbypermits.com/mesa/permit/PMT26-13887/) | | Jul 31, 2026 | Alteration or repair | Installation of new parking canopies in existing parking lot. | Not listed | [PMT26-13886](https://nearbypermits.com/mesa/permit/PMT26-13886/) | | May 29, 2026 | Alteration or repair | 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. | Not listed | [PMT26-09976](https://nearbypermits.com/mesa/permit/PMT26-09976/) | | May 22, 2026 | Sign | Install One LED Illuminated Pan Channel Letter & Logo To South Elevation NTT DATA 111 sq. ft. & one non-illuminated Aluminum Reverse Pan Channel Letters To South Elevation PH4 10 sq. ft. Signs shall be installed per NEC 2023 with UL listed components. | Not listed | [PMT26-09776](https://nearbypermits.com/mesa/permit/PMT26-09776/) | | May 12, 2026 | Grading | Site Improvement Plans, grading and drainage, on-site pacing, storm drain, private water improvements, private sewer improvements, and landscaping. No electrical under this permit. Results in CoC. | Not listed | [PMT26-09201](https://nearbypermits.com/mesa/permit/PMT26-09201/) | | Apr 9, 2026 | Sign | Install One LED Illuminated Pan Channel Letter & Logo To South Elevation NTT DATA 111 sq. ft. & one non-illuminated Aluminum Reverse Pan Channel Letters To South Elevation PH4 10 sq. ft. Signs shall be installed per NEC 2023 with UL listed components. | Not listed | [PMT26-06788](https://nearbypermits.com/mesa/permit/PMT26-06788/) | | Mar 16, 2026 | Fire systems | Building 5 fire alarm modification, move 2 horn/strobes from wall to ceiling, replace a total of 12 Horn/Strobes with updated LED technology. Approved with Stipulation. | Not listed | [PMT26-05001](https://nearbypermits.com/mesa/permit/PMT26-05001/) | | Jan 29, 2026 | Alteration or repair | This proposed construction document package covers the tenant improvement (T.I.) work for Vault 2.3 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 | Not listed | [PMT26-01569](https://nearbypermits.com/mesa/permit/PMT26-01569/) | | Jan 29, 2026 | Alteration or repair | 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 | Not listed | [PMT26-01567](https://nearbypermits.com/mesa/permit/PMT26-01567/) | | Jan 29, 2026 | Alteration or repair | 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 | Not listed | [PMT26-01565](https://nearbypermits.com/mesa/permit/PMT26-01565/) | | Jan 29, 2026 | Alteration or repair | 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 | Not listed | [PMT26-01563](https://nearbypermits.com/mesa/permit/PMT26-01563/) | | Jan 29, 2026 | Alteration or repair | 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 | Not listed | [PMT26-01561](https://nearbypermits.com/mesa/permit/PMT26-01561/) | | Dec 31, 2025 | Alteration or repair | Tenant improvement of 27,681 SF Vault 1.3 in an existing type II-B, S-1 occupancy space. Modification includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault space. Install of Generators, electrical modules in yard and chillers on existing rooftop | Not listed | [PMT25-23759](https://nearbypermits.com/mesa/permit/PMT25-23759/) | | Dec 31, 2025 | Alteration or repair | Tenant improvement of 27,674 SF Vault 1.2 in an existing type II-B, S-1 occupancy space. Modification includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault space. Install of Generators, electrical modules in yard and chillers on existing rooftop | Not listed | [PMT25-23758](https://nearbypermits.com/mesa/permit/PMT25-23758/) | | Dec 31, 2025 | Alteration or repair | Tenant improvement of 27,693 SF Vault 1.2 in an existing type II-B, S-1 occupancy space. Modification includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault space. Install of Generators, electrical modules in yard and chillers on existing rooftop | Not listed | [PMT25-23757](https://nearbypermits.com/mesa/permit/PMT25-23757/) | | Dec 31, 2025 | Alteration or repair | Tenant improvement of 27,683 SF Vault 2.3 in an existing type II-B, S-1 occupancy space. Modification includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault space. Install of Generators, electrical modules in yard and chillers on existing rooftop | Not listed | [PMT25-23756](https://nearbypermits.com/mesa/permit/PMT25-23756/) | | Dec 31, 2025 | Alteration or repair | Tenant improvement of 27,679 SF Vault 2.2 in an existing type II-B, S-1 occupancy space. Modification includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault space. Install of Generators, electrical modules in yard and chillers on existing rooftop | Not listed | [PMT25-23755](https://nearbypermits.com/mesa/permit/PMT25-23755/) | | Nov 13, 2025 | Sign | Install one set of internally face lit pan channel letters LOGO NTT DATA on south elevation 111 sq ft and replace letters on existing monument sign LOG NTT DATA with internally face lit channel letters 80 sq ft. Signs shall be installed per NEC 2017 with UL listed components. | Not listed | [PMT25-21085](https://nearbypermits.com/mesa/permit/PMT25-21085/) | | Mar 5, 2025 | Other | Install an Emergency Responder Radio Coverage System (ERRC). | Not listed | [PMT25-04205](https://nearbypermits.com/mesa/permit/PMT25-04205/) | | Oct 2, 2024 | Fire systems | 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 | Not listed | [PMT24-17530](https://nearbypermits.com/mesa/permit/PMT24-17530/) | | May 30, 2024 | Sign | Install One (1) LED Illuminated Pan Channel Letter & Logo To South Elevation "NTT DATA" 111 sq. ft. & (1) one non-illuminated Aluminum Reverse Pan Channel Letters To South Elevation "PH3" 10 sq. ft. | Not listed | [PMT24-10048](https://nearbypermits.com/mesa/permit/PMT24-10048/) | | May 1, 2024 | Other | Install Emergency Responder Radio Communication System (ERRCS) through facility. Special inspections required for fire caulking. | Not listed | [PMT24-08110](https://nearbypermits.com/mesa/permit/PMT24-08110/) | | Apr 11, 2024 | Fire systems | 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. | Not listed | [PMT24-07027](https://nearbypermits.com/mesa/permit/PMT24-07027/) | | Feb 27, 2024 | Sign | Install One (1) LED Illuminated Pan Channel Letter & Logo To South Elevation "NTT DATA" 111 sq. ft. & (1) one non-illuminated Aluminum Reverse Pan Channel Letters To South Elevation "PH2" 10 sq. ft. | Not listed | [PMT24-03468](https://nearbypermits.com/mesa/permit/PMT24-03468/) | | Aug 21, 2023 | Fire systems | TI that includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 2.2 space. The PH3 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-19910. Special Inspections for Emergency Responder Radio Coverage. Deferred fi | Not listed | [PMT23-14600](https://nearbypermits.com/mesa/permit/PMT23-14600/) | | Aug 21, 2023 | Alteration or repair | T.I. for the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 2.3 space. The PH3 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-19910. Deferred fire sprinklers. Deferred fire alarm. Deferred generator equipment. Sp | Not listed | [PMT23-14599](https://nearbypermits.com/mesa/permit/PMT23-14599/) | | Aug 21, 2023 | Fire systems | Building 7. The proposed work is for the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 1.3 space. The PH3 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-19910. Deferred fire sprinklers. Deferred fire alarm. Defe | Not listed | [PMT23-14597](https://nearbypermits.com/mesa/permit/PMT23-14597/) | | Aug 21, 2023 | Alteration or repair | Tenant improvement by extending mechanical & electrical systems to support computer-based systems Vault 1.2. Deferred fire sprinklers and fire alarms. Ref: pmt22-19910. | Not listed | [PMT23-14596](https://nearbypermits.com/mesa/permit/PMT23-14596/) | | Aug 21, 2023 | Fire systems | Building 7. The proposed work is for the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 1.1 space. The PH3 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-19910.. Deferred fire sprinklers. Deferred fire alarm. Def | Not listed | [PMT23-14595](https://nearbypermits.com/mesa/permit/PMT23-14595/) | | Apr 5, 2023 | Alteration or repair | The proposed work is for the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 1.1 space. The PH2 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-17409. | Not listed | [PMT23-05666](https://nearbypermits.com/mesa/permit/PMT23-05666/) | | Apr 5, 2023 | Alteration or repair | The proposed work is for the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 1.2 space. The PH2 facility and the gallery/vault spaces where work is under PMT22-17409, the Shell Permit. Deferred fire alarm. Deferred fire sprinklers. Deferred generator e | Not listed | [PMT23-05665](https://nearbypermits.com/mesa/permit/PMT23-05665/) | | Apr 5, 2023 | Alteration or repair | TI of 27769 SF at NTT client's equipment in the Vault 1.3 space. Includes MEP work. The PH2 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-17409. Deferred fire alarm. Deferred fire sprinklers. Deferred generator equipment. Special inspections required - emergen | Not listed | [PMT23-05664](https://nearbypermits.com/mesa/permit/PMT23-05664/) | | Apr 5, 2023 | Alteration or repair | TI for 27677 SF at NTT for client's equipment in the Vault 2.2 space. The PH2 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-17409. Includes MEP systems. Deferred fire alarm. Deferred fire sprinklers. Deferred generator equipment. Special inspections required - | Not listed | [PMT23-05663](https://nearbypermits.com/mesa/permit/PMT23-05663/) | | Apr 5, 2023 | Alteration or repair | TI for 27680 SF at NTT for client's equipment in the Vault 2.3 space. The PH2 facility and the gallery/vault spaces where work is proposed is permitted under PMT22-17409. Includes MEP systems. Deferred fire alarm. Deferred fire sprinklers. Deferred generator equipment. Special inspections required - | Not listed | [PMT23-05660](https://nearbypermits.com/mesa/permit/PMT23-05660/) | | Feb 22, 2023 | Roofing | New metal canopies at existing roof equipment platform. New supplemental steel supporting metal decking between each chiller and above the grating platform. Special inspection for steel construction. | Not listed | [PMT23-02940](https://nearbypermits.com/mesa/permit/PMT23-02940/) | | Nov 23, 2022 | Fire systems | 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. | Not listed | [PMT22-19910](https://nearbypermits.com/mesa/permit/PMT22-19910/) | | Oct 11, 2022 | Fire systems | 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. De | Not listed | [PMT22-17409](https://nearbypermits.com/mesa/permit/PMT22-17409/) | | Aug 29, 2022 | New building | 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. | Not listed | [PMT22-15608](https://nearbypermits.com/mesa/permit/PMT22-15608/) | | Aug 29, 2022 | Fire systems | New 235,550 SF data center's foundation and underground work. Special inspections anticipated required for soils, concrete. Includes the 1" landscape water meter and 2" domestic meter. Special Inspections for Emergency Response Radio Coverage. Deferred fire sprinklers and fire alarms. | Not listed | [PMT22-15602](https://nearbypermits.com/mesa/permit/PMT22-15602/) | | Jun 30, 2022 | Alteration or repair | Completion of 21228 SF of vault space for the 2.1 Client Vault Space package. Includes electrical & mechanical infrastructure to support the client occupancy of the space specifically within vault 2.1. All other spaces are permitted previously under the shell construction permit and PMT21-01151 and | Not listed | [PMT22-12837](https://nearbypermits.com/mesa/permit/PMT22-12837/) | | Jun 30, 2022 | Alteration or repair | T.I. to build out client office space on level 2, and add interior partitions & doors throughout the PH1 level 1 and 2 corridors. All other spaces are permitted previously under the shell construction permit PMT21-01151. Special inspections required - emergency responder radio coverage mfc 510. Defe | Not listed | [PMT22-12836](https://nearbypermits.com/mesa/permit/PMT22-12836/) | | Apr 12, 2022 | Roofing | Related to PMT21-01151. Interior improvement at Vault and Gallery on 1st Level, to add mechanical and electrical equipment. Add 4 generators, and 4 electrical modules equipment to exterior platform. Add 6 Chiller to existing roof. Special Inspections Required for steel, concrete, welding, anchoring, | Not listed | [PMT22-06639](https://nearbypermits.com/mesa/permit/PMT22-06639/) | | Apr 12, 2022 | Roofing | Related to PMT21-01151. Interior improvement Vault and Gallery on 2nd Level, to add mechanical and electrical equipment. Improved 4300sf for (2) offices. Add 4 generators, and 4 electrical modules equipment to exterior platform at 1st level. Add 6 Chiller to existing roof. Special Inspections Requir | Not listed | [PMT22-06638](https://nearbypermits.com/mesa/permit/PMT22-06638/) | | Apr 12, 2022 | Alteration or repair | 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 | Not listed | [PMT22-06636](https://nearbypermits.com/mesa/permit/PMT22-06636/) | | Apr 11, 2022 | Roofing | 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 | Not listed | [PMT22-06521](https://nearbypermits.com/mesa/permit/PMT22-06521/) | | Jan 18, 2022 | Roofing | 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 radi | Not listed | [PMT22-01489](https://nearbypermits.com/mesa/permit/PMT22-01489/) | | Nov 9, 2021 | Sign | Install 1 set of illuminated flush-mount channel letters, logos and set of non-illuminated flat cut out letters at the South elevation of building 5 "NTT" 74 sq. ft. and "PH1" 10 sq. ft. Install one 1 single-sided non-illuminated directional sign beyond the entry gate, install one set of illuminated | Not listed | [PMT21-18348](https://nearbypermits.com/mesa/permit/PMT21-18348/) | | Oct 7, 2021 | Electrical | 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 | Not listed | [PMT21-16638](https://nearbypermits.com/mesa/permit/PMT21-16638/) | | Aug 11, 2021 | Other | Water line for NTT Global Data Center | Not listed | [PMT21-14282](https://nearbypermits.com/mesa/permit/PMT21-14282/) | | Jan 19, 2021 | Roofing | 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 | Not listed | [PMT21-01151](https://nearbypermits.com/mesa/permit/PMT21-01151/) | | Dec 9, 2020 | Alteration or repair | For a new data center,current submission includes foundation and underground work. Special inspections required for soils, concrete. | Not listed | [PMT20-19152](https://nearbypermits.com/mesa/permit/PMT20-19152/) | ## Within ΒΌ mi since May 1, 2026 0 permits in the circle. From our copy of the city's data (last 24 months). --- Source: Mesa Development Services permit data (https://citydata.mesaaz.gov/d/dzpk-hxfb). Checked 2026-10-04 08:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/