City Fruit
Prune, net and harvest surplus urban fruit from public orchards and backyard trees for delivery to 30+ local food banks.
Environment & OutdoorsFood SecuritySeattle
All agesGroups welcomeOne-time friendly
Volunteer →From downtown pocket parks to Tiger Mountain, the regions trails and forested parks are maintained substantially by volunteers. Work parties supply tools, gloves and instruction — you bring closed-toe shoes and rain-or-shine attitude.
No experience is needed anywhere on this list, and most events welcome supervised kids, making this the best category for families and first-time volunteers.
41 organizations match this guide — updated August 2026.
City of Bellevue Volunteers
Steward parks and the Botanical Garden, coach youth sports, perform with Bellevue Youth Theatre, and serve on civic boards.
Environment & OutdoorsArts, Culture & MuseumsBellevue
12+Groups welcomeFlexible schedule
Volunteer →City of Kirkland Volunteers
Restore natural areas with Green Kirkland, help at senior lunches and special events, and serve on boards and commissions.
Environment & OutdoorsHuman ServicesKirkland
12+Groups welcomeFlexible schedule
Volunteer →City of Redmond Volunteers
Join park stewardship, special events, senior programs, teen services and community-court roles across the city.
Environment & OutdoorsHuman ServicesRedmond
12+Groups welcomeFlexible schedule
Volunteer →City of Renton Volunteers
Support parks beautification, farmers market, River Days, youth sports, senior programs, storm-drain marking, and emergency management.
Human ServicesEnvironment & OutdoorsRenton
12+Groups welcomeFlexible schedule
Volunteer →City of SeaTac Volunteer Program
Assist at special events, park restorations, recycling events, the police front desk, and advisory committees.
Human ServicesEnvironment & OutdoorsSeaTac
12+Groups welcomeFlexible schedule
Volunteer →Duwamish Alive Coalition
Join twice-yearly multi-site river cleanups, kayak debris removals, and salmon habitat restoration from Auburn to Seattle.
Environment & OutdoorsTukwila
All agesGroups welcomeOne-time friendly
Volunteer →Duwamish River Community Coalition
Restore riverbank habitat, remove litter and invasives, and support community science and events along the Duwamish Superfund site in South Park and Georgetown.
Environment & OutdoorsSeattle
All agesGroups welcomeOne-time friendly
Volunteer →EarthCorps
Join work parties removing invasive plants, planting natives, and restoring shorelines, streams and parks throughout the Salish Sea region.
Environment & OutdoorsSeattle
10+Groups welcomeOne-time friendly
Volunteer →Evergreen Mountain Bike Alliance
Build and maintain sustainable mountain-bike trails at Duthie Hill, Tiger Mountain, Colonnade and chapter work parties statewide.
Environment & OutdoorsRegion-wide / Multiple cities
12+Groups welcomeOne-time friendly
Volunteer →Federal Way Community Gardens Foundation
Tend organic community gardens whose harvest goes to neighbors in need while learning gardening skills.
Environment & OutdoorsFood SecurityFederal Way
All agesGroups welcomeOne-time friendly
Volunteer →Forterra / Green City Partnerships
Restore forested neighborhood parks through 14 regional Green City partnerships logging 115,000+ volunteer hours annually.
Environment & OutdoorsRegion-wide / Multiple cities
All agesGroups welcomeOne-time friendly
Volunteer →Friends of the Issaquah Salmon Hatchery
Lead hatchery tours, deliver salmon education, and support operations and community events.
Environment & OutdoorsIssaquah
All agesGroups welcomeFlexible schedule
Volunteer →Green Everett Partnership
Restore Everett's forested parks through invasive removal and native planting events.
Environment & OutdoorsEverett / Mukilteo
All agesGroups welcomeOne-time friendly
Volunteer →Green Issaquah Partnership
Forest Stewards and helpers lead restoration of Issaquah's forested parks and open spaces.
Environment & OutdoorsIssaquah
All agesGroups welcomeOne-time friendly
Volunteer →Green Kirkland Partnership
Remove invasives and plant natives to restore Kirkland's forested parks at year-round work parties.
Environment & OutdoorsKirkland
All agesGroups welcomeOne-time friendly
Volunteer →Green Redmond Partnership
Join forest-restoration work parties caring for Redmond's urban parks and natural areas.
Environment & OutdoorsRedmond
All agesGroups welcomeOne-time friendly
Volunteer →Green SeaTac Partnership
Restore urban forest in SeaTac parks through tree planting, weeding and mulching events like Green SeaTac Day.
Environment & OutdoorsSeaTac
All agesGroups welcomeOne-time friendly
Volunteer →Green Seattle Partnership
Remove invasives and plant native trees in Seattle's forested parklands; trained Forest Stewards adopt and lead individual sites.
Environment & OutdoorsSeattle
All agesGroups welcomeOne-time friendly
Volunteer →Green Tukwila Partnership
Join restoration work parties removing invasives, planting natives and mulching across Tukwila's parks and urban forests.
Environment & OutdoorsTukwila
All agesGroups welcomeOne-time friendly
Volunteer →InterIm CDA / Danny Woo Community Garden
Weed, compost and maintain the Chinatown-ID's largest green space alongside elder immigrant gardeners, or support the WILD youth leadership program.
Culture & HeritageEnvironment & OutdoorsHousing & HomelessnessSeattle
All agesGroups welcomeOne-time friendly
Volunteer →Issaquah Alps Trails Club
Lead guided hikes, advocate for public lands, and run trail-building and habitat-restoration events on Tiger, Squak, Cougar and Rattlesnake Mountains.
Environment & OutdoorsIssaquah
All agesGroups welcomeOne-time friendly
Volunteer →Kent Parks Outdoor Conservation Events
Participate in habitat restoration and conservation work parties in Kent parks and open spaces.
Environment & OutdoorsKent
All agesGroups welcomeOne-time friendly
Volunteer →King Conservation District
Pot, weed and water native plants at the Native Plant Nursery and join stream and wetland restoration events countywide.
Environment & OutdoorsRenton
All agesGroups welcomeOne-time friendly
Volunteer →Mid Sound Fisheries Enhancement Group
Revegetate Sammamish River banks with native trees and shrubs to cool water for Chinook salmon and steelhead.
Environment & OutdoorsWoodinville
All agesGroups welcomeOne-time friendly
Volunteer →Mountains to Sound Greenway Trust
Trail maintenance and construction, forest restoration, native plant nursery work and Trailhead Ambassador duty across the I-90 Greenway.
Environment & OutdoorsRegion-wide / Multiple cities
10+Groups welcomeFlexible schedule
Volunteer →Orca Conservancy
Support Be Whale Wise boater education, salmon habitat restoration, oil-spill response prep and outreach.
Environment & OutdoorsSeattle
18+Flexible schedule
Volunteer →Orca Network
Report whale sightings as citizen scientists, staff the Langley Whale Center, and help with marine-mammal stranding response and education.
Environment & OutdoorsWhidbey Island
18+Flexible schedule
Volunteer →Oxbow Farm & Conservation Center
Restore habitat, tend the Kids' Farm garden and glean field produce weekly for Hopelink and other hunger-relief partners.
Environment & OutdoorsFood SecurityDuvall / Carnation
All agesGroups welcomeOne-time friendly
Volunteer →Puget Soundkeeper Alliance
Clean beaches, paddle waterways collecting debris, and monitor pollution across Puget Sound.
Environment & OutdoorsSeattle
All agesGroups welcomeOne-time friendly
Volunteer →Seattle Aquarium
Interpret exhibits for guests, join Youth Ocean Advocates, and serve as Beach Naturalists and salmon-journey naturalists.
Arts, Culture & MuseumsEnvironment & OutdoorsSeattle
16+Background checkRegular commitment
Volunteer →Seattle ReCreative
Sort donated art and craft supplies, stock the reuse store, and divert usable materials from the landfill.
Environment & OutdoorsArts, Culture & MuseumsSeattle
14+Groups welcomeFlexible schedule
Volunteer →SHADOW Lake Nature Preserve
Restoration assistants, boardwalk stewards, nature-walk leads and event helpers protect a 5,000-year-old peat bog.
Environment & OutdoorsRenton
All agesGroups welcomeOne-time friendly
Volunteer →Sierra Club Washington State Chapter
Activists serve on issue committees (wildlife, public lands, climate), organize outings and run grassroots campaigns statewide.
Environment & OutdoorsSeattle
18+Groups welcomeRegular commitment
Volunteer →Sound Salmon Solutions (Stilly-Snohomish Fisheries Task Force)
Assist weekend riparian plantings, vegetation and water-quality monitoring, nursery care and school programs in the Stillaguamish and Snohomish watersheds.
Environment & OutdoorsEverett / Mukilteo
All agesGroups welcomeOne-time friendly
Volunteer →Sustainable Renton
Glean, sort and distribute rescued food, tend Greens-for-Good gardens, and host free community meals.
Food SecurityEnvironment & OutdoorsRenton
All agesGroups welcomeOne-time friendly
Volunteer →Tilth Alliance
Weed, plant and harvest produce for food banks at Rainier Beach Urban Farm, Good Shepherd Center, Bradner Gardens and McAuliffe Park.
Environment & OutdoorsFood SecuritySeattle
All agesGroups welcomeOne-time friendly
Volunteer →Washington Trails Association
Join day and backcountry work parties building and maintaining hiking trails statewide — no experience needed.
Environment & OutdoorsRegion-wide / Multiple cities
10+Groups welcomeOne-time friendly
Volunteer →Whale Scout
Plant native trees and pull invasives at Helpin' Out salmon-habitat restoration events benefiting endangered orcas' food supply.
Environment & OutdoorsBothell
All agesGroups welcomeOne-time friendly
Volunteer →Woodland Park Zoo
Zoo ambassadors engage guests and facilitate experiences, with later roles in docent education and horticulture.
Arts, Culture & MuseumsEnvironment & OutdoorsSeattle
18+Background checkRegular commitment
Volunteer →Zero Waste Washington
Contribute research, policy analysis, FAQ writing and event support advancing waste-prevention legislation.
Environment & OutdoorsSeattle
16+Flexible schedule
Volunteer →Making it work
- Washington Trails Association publishes its work-party calendar seasonally — backcountry trips fill fast
- Green City partnerships (Seattle, Kirkland, Redmond, Tukwila, Everett, Issaquah) run weekly neighborhood events — no signup needed at many
- Want ownership? Train as a Forest Steward and adopt your own park site
These 41 listings are part of a larger directory of 187 organizations across the Puget Sound region.
Browse the full directory →