Washington legislation · 2025-26 Regular Session
Washington SB6347: Estate tax rates
Status: Signed into law, March 24, 2026
Undoing the recent changes to the estate tax. (REVISED FOR ENGROSSED: Undoing certain changes to the estate tax.)
What the bill says
An act Relating to undoing certain changes to the estate tax; and amending RCW 83.100.020 and 83.100.040.
From the enrolled text:
AN ACT Relating to undoing certain changes to the estate tax; and amending RCW 83.100.020 and 83.100.040. Sec. 1. RCW 83.100.020 and 2025 c 421 s 201 are each amended to read as follows: The definitions in this section apply throughout this chapter unless the context clearly requires otherwise. (1)(a) The applicable exclusion amount for the decedent's estate is the applicable exclusion amount in effect as of the date of the decedent's death. "Applicable exclusion amount" (ii) $2,000,000 for estates of decedents dying on or after January 1, 2006, and before January 1, 2014; (iii) $2,012,000 for estates of decedents dying on or after January 1, 2014, and before January 1, 2015; (iv) $2,054,000 for estates of decedents dying on or after January 1, 2015, and before January 1, 2016; (v) $2,079,000 for estates of decedents dying on or after January 1, 2016, but before January 1, 2017; (vi) $2,129,000 for estates of decedents dying on or after January 1, 2017, but before January 1, 2018; (vii) $2,193,000 for estates of decedents dying on or after July 1, 2018, but before July 1, 2025; (viii) $3,000,000 for estates of decedents dying on or after July 1, 2025, but before January 1, 2026; ((and)) (ix) $3,076,000 for estates of decedents dying on or after January 1, 2026, but before July 1, …
Sponsors
- Claudia Kauffman (D) · primary sponsor
- Vandana Slatter (D)
- Manka Dhingra (D)
- Marko Liias (D)
Latest actions
- : Effective date 6/11/2026.
- : Chapter 209, 2026 Laws.
- : Governor signed.
- : Delivered to Governor.
- : Speaker signed.
- : President signed.
- : Passed final passage; yeas, 39; nays, 10; absent, 0; excused, 0.
- : Senate concurred in House amendments.
- : Third reading, passed; yeas, 85; nays, 8; absent, 0; excused, 5.
- : Rules suspended. Placed on Third Reading.
Votes
- Final Passage as Amended by the House (March 12, 2026): 39 yea, 10 nay, passed
- Final Passage as Amended by the House (March 11, 2026): 85 yea, 8 nay, passed
- House Committee on Finance: Do pass as amended (March 2, 2026): 9 yea, 0 nay, passed
- 3rd Reading & Final Passage (February 16, 2026): 38 yea, 11 nay, passed
- Senate Committee on Ways & Means: Do pass (February 9, 2026): 20 yea, 2 nay, passed
Subjects: TAXES - ESTATE
Common questions
- What is SB6347?
- SB6347 is a bill in the Washington Legislature (2025-26 Regular Session): Estate tax rates.
- What does SB6347 do?
- In its own words: An act Relating to undoing certain changes to the estate tax; and amending RCW 83.100.020 and 83.100.040.
- What is the status of SB6347?
- Signed into law as of March 24, 2026. Latest action: Effective date 6/11/2026. (March 24, 2026).
- Who sponsored SB6347?
- Claudia Kauffman (D), with 3 co-sponsors.
- Where is the official record for SB6347?
- On the Washington Legislature website: https://app.leg.wa.gov/billsummary?BillNumber=6347&Year=2025
Source: official Washington record. Tracked by Delilah, AI for legislation across all 50 states and Congress.