Exemption

Limited counties data center equipment and infrastructure

Retail Sales & Use Tax exemption · RCW 82.08.9861; 82.12.9861 · enacted 2022

All exemptions & deductions
Scope narrowedESSB 6231 (2026) · effective 2026-07-01

Before ESSB 6231

The limited-counties data center exemption under RCW 82.08.9861 / 82.12.9861 extended the sales/use tax exemption on eligible server equipment and infrastructure to data centers in additional (limited/rural) counties, including centers qualifying through refurbishment (2024 DOR Tax Exemption Study baseline).

Source: 2024 DOR Tax Exemption Study · RCW 82.08.9861; 82.12.9861

After

Effective July 1, 2026, ESSB 6231 stopped issuing new exemption certificates for rural-county data centers qualifying through refurbishment and expired that refurbishment exemption; data centers refurbished on or after July 1, 2026 no longer qualify, and replacement/refurbished server equipment is no longer eligible. Confirm eligibility and dates against ESSB 6231 (2026) and current DOR guidance.

Source: ESSB 6231 (2026)

Details

Citation
RCW 82.08.9861; 82.12.9861
Study reference
E1757-1
Tax type
Retail Sales & Use Tax
Preference type
Exemption
Category
Business
Year enacted
2022
End date
2038-07-01 00:00:00

Fiscal impact (2024 study estimates)

Revenue if repealed — local ($M)
FY 2024: 0 · FY 2025: 5.04 · FY 2026: 6.7 · FY 2027: 8.4
Revenue if repealed — state ($M)
FY 2024: 0 · FY 2025: 10.36 · FY 2026: 13.9 · FY 2027: 17.4
Taxpayer savings — local ($M)
FY 2024: 3 · FY 2025: 5.5 · FY 2026: 6.7 · FY 2027: 8.4
Taxpayer savings — state ($M)
FY 2024: 6.1 · FY 2025: 11.3 · FY 2026: 13.9 · FY 2027: 17.4

CTI = confidential taxpayer information · D = unable to disclose

From the 2024 DOR Tax Exemption Study

82.08.9861; 82.12.9861 - Limited counties data center equipment and infrastructure Description There is a sales and use taxes exemption for qualified purchases of eligible server equipment and eligible power infrastructure for data centers located in a county with population over 800,000. The exemption also includes charges for labor, material, equipment, and services associated with installation of the equipment and power infrastructure. The department may approve: - Six applications to obtain the exemptions for qualifying businesses in the first calendar year of the exemption; and - Six applications to obtain the exemptions for qualifying businesses in each year, calendar year three through calendar year six of the exemption. No applications may be approved in year two. Program requirements: - To qualify, a facility must meet employment and facility size requirements described in statute. In addition, qualifying businesses operating newly constructed data centers must attain certification for sustainable design or green building standards. - The qualifying business must have a minimum of 1.5 megawatts of available power. - A qualifying tenant must have a minimum electrical capaci

Does this apply to you?

This is reference data from the 2024 study — not advice, and 2025–26 legislation may have changed it. Three ways to go deeper: