v3.25.1
Cover
Jun. 10, 2025
Cover [Abstract]  
Entity Central Index Key 0001846069
Amendment Flag false
Document Type 8-K
Document Period End Date Jun. 10, 2025
Entity Registrant Name Nextdoor Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40246
Entity Tax Identification Number 86-1776836
Entity Address, Address Line One 420 Taylor Street
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code (Address of principal executive offices)
City Area Code 415
Local Phone Number 344-0333
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A common stock, par value $0.0001 per share
Entity Emerging Growth Company false
Trading Symbol KIND
Security Exchange Name NYSE