Oregon · Union County

Tree service in Union County, Oregon

Snow is the tree hazard in Union County: 99 of the 143 storm reports NOAA logged here since 2016 are heavy snow. February alone accounts for 45 reports.

Data verified 2026-10-02 · Sources at the end

Storm reports since 2016143

Ranks 17 of 36 Oregon counties for wind, ice, snow and storm reports.

Peak monthsFeb · Dec · Jan

75% of reports fall November through February.

Highest hazard ratingWinter weather

FEMA National Risk Index rates winter weather as “Relatively Moderate” here.

Population 202525,900

-1.1% since 2020 (Census Vintage 2025).

Hardiness zone6b

USDA 2023 zone covering most of the county.

Tree and landscape firms12

Landscaping-services establishments, Census CBP 2023.

Storm records for Union County

Heavy snow is close to the whole story in Union County. It makes up 99 of 143 NOAA reports since 2016, about 69%, with hail and high wind tied a distant second at 13 each. Winter storms (6), ice storms (3) and two blizzard reports fill out the winter side.

February carries 45 reports, December 28 and January 27; the November through February share is 75%. The county ranks 17th of Oregon’s 36, near the middle. 2019 was the heaviest year, with 26 reports.

Reports have fallen from 50 in 2020 through 2022 to 28 in 2023 through 2025, about 44% fewer. For a homeowner, snow load means broken leaders and split crotches more than uprooted trees, which is what a structural prune addresses.

Reports by month, 2016 to 2026

JFMAMJJASOND
Event typeReports
Heavy Snow99
Hail13
High Wind13
Winter Storm6
Wildfire3
Ice Storm3
Blizzard2
Thunderstorm Wind2
Winter Weather1
Strong Wind1
Largest recent episode: 2017-01-17: 5 reports (Blizzard 1, Ice Storm 3, High Wind 1).

The largest episode began January 17, 2017, when a major winter storm brought heavy snow and ice to the region, with high winds and blizzard conditions in the Grande Ronde Valley. NOAA logged five reports for the Grande Ronde Valley, Blue Mountains and Wallowa zones: three for ice storm, one for high wind and one for blizzard.

NWS forecast zones covering the county: Grande Ronde Valley; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon; Wallowa County.

Source: NOAA NCEI Storm Events Database, 2016 to June 2026 · NWS zone-county correlation files (2019 to 2026 versions). Checked 2026-10-02. NOAA Storm Events 2016-2026; zone-based events assigned to every county the NWS zone covers using the zone-county correlation file in force on the event date (2019-04-02 file used for 2016-2018).

Hazard ratings

Strong wind: Very LowIce storm: Relatively LowWinter weather: Relatively ModerateWildfire: Relatively Moderate

FEMA’s National Risk Index (December 2025) rates Union County Relatively Low overall, Very Low for strong wind, Relatively Low for ice storms, and Relatively Moderate for winter weather (score 80.3) and wildfire. The winter score matches the NOAA record: snow load is the main tree risk.

USDA’s Forest Service puts the wildfire risk to homes higher than 69% of Oregon counties. On lots near the Blue Mountains, keep defensible space around the house as part of routine tree care.

Wildfire risk to homes: higher than 69% of Oregon counties (USDA Forest Service, Wildfire Risk to Communities).

What to do about wildfire exposure: defensible space in Washington and Oregon.

Source: FEMA National Risk Index, December 2025 release · USDA Forest Service, Wildfire Risk to Communities (April 2026 download). Checked 2026-10-02.

Burning the debris

Oregon DEQ sets the burning rules for Union County under the statewide OAR 340-264, with no county-specific chapter. Check fire-district conditions before burning, and see the Oregon burning guide for the statewide rules.

Oregon DEQ: Statewide OAR 340-264; backyard burning banned year-round in Portland metro (340-264-0120/-0130/-0140); county rules for Benton/Linn/Marion/Polk/Yamhill in -0110 (not readable at check) Official rules.

Full rules, seasons and alternatives: yard debris burning rules in Oregon.

Source: Oregon DEQ. Checked 2026-10-02.

Power lines and utilities

Oregon Trail Electric Co-op is the mapped utility; report outages at (866) 430-4265. The co-op maintains clearances on its overhead transmission, distribution and secondary lines, but does not say whether that includes the service drop to your house. Ask before assuming it will clear a limb there, and never prune near a line yourself.

UtilityOutage lineTree trimming requests
Oregon Trail Electric Co-op(866) 430-4265request page
Umatilla Electric Co-op(888) 465-5701request page
Power line involved? Only a qualified line-clearance crew may work within 10 ft of an energized line. Call 911 or the utility outage line first; see tree removal near power lines.

Source: utility vegetation-management pages linked above; OAR 437-002-0306 (OR-OSHA). Checked 2026-10-02.

Cities and towns in Union County

Union County has 25,900 residents (Census, 2025 estimate, down 1.14% since 2020). La Grande is the largest city at 12,985, followed by Union (2,152), Elgin (1,717) and Island City (1,144). None has been researched for a tree-removal permit on this site yet; ask city hall before cutting a street tree, and see the Oregon permit guide.

PlacePopulationPrivate-tree permit rule
La Grande12,985Ask the city
Union2,152Ask the city
Elgin1,717Ask the city
Island City1,144Ask the city

Source: U.S. Census Bureau, Population Estimates Vintage 2025 and 2020 Census. Checked 2026-10-02. Permit rules from each city’s code; see the city pages.

Labor index

No metro wage series covers Union County, so this page uses BLS’s Oregon statewide mean for tree trimmers and pruners: $35.40 an hour. That is a wage, not a price; the modeled crew rate below adds burden, equipment and overhead. Census County Business Patterns counted 12 landscaping-services establishments in the county in 2023, so book planned work before the winter rush.

Oregon statewide: $35.40 per hour mean wage for tree trimmers and pruners (BLS, May 2025); no metro estimate is published, so the statewide figure is shown. This is a labor index, not a price; the modeled crew-hour cost used on this site is $225 (method).

12 landscaping-services establishments were counted in Union County in 2023 (Census County Business Patterns, NAICS 561730).

Source: BLS Occupational Employment and Wage Statistics, May 2025, SOC 37-3013 · U.S. Census Bureau, County Business Patterns 2023, NAICS 561730. Checked 2026-10-02.

Climate and growing conditions

All of Union County is USDA hardiness zone 6b. Pick replacement trees rated for 6b or colder, with strong branch unions to carry snow, and avoid brittle fast-growers near the house.

USDA hardiness zone 6b (2023 map, by ZIP code).

Source: USDA Plant Hardiness Zone Map 2023 (OSU PRISM ZIP data). Checked 2026-10-02.

Nearby counties

What to do next

Before snow season, have a risk assessment done on trees over the roof or driveway, and decide between trimming and removal. Call Oregon Trail Electric Co-op first if a tree is near a line.

Before hiring, confirm the company’s CCB license through the Oregon tree service license lookup.

Services: tree removal · trimming · stump grinding · emergency. Check any company: Oregon license lookup.

Major storms that reached Union County

These regional storms produced NOAA Storm Events reports in Union County since 2016. Each storm page lists the dates, report counts and the other counties hit.

Sources

  1. NOAA NCEI Storm Events Database, 2016 to June 2026, checked 2026-10-02.
  2. NWS zone-county correlation files (2019 to 2026 versions), checked 2026-10-02.
  3. FEMA National Risk Index, December 2025 release, checked 2026-10-02.
  4. USDA Forest Service, Wildfire Risk to Communities (April 2026 download), checked 2026-10-02.
  5. U.S. Census Bureau, Population Estimates Vintage 2025 and 2020 Census, checked 2026-10-02.
  6. U.S. Census Bureau, County Business Patterns 2023, NAICS 561730, checked 2026-10-02.
  7. USDA Plant Hardiness Zone Map 2023 (OSU PRISM ZIP data), checked 2026-10-02.
  8. BLS Occupational Employment and Wage Statistics, May 2025, SOC 37-3013, checked 2026-10-02.
  9. Oregon DEQ, checked 2026-10-02.
  10. Oregon Trail Electric Co-op vegetation management, checked 2026-10-02.
  11. Umatilla Electric Co-op vegetation management, checked 2026-10-02.

Comparing quotes? Check these eight things first.

Two quotes for the same tree can differ by thousands. The gap is usually in what's included, not the cutting.

01A current certificate of liability insurance, sent by the insurer
02A state license you looked up yourself: Oregon CCB or LCB, Washington L&I
03Who is on site: an ISA Certified Arborist, or a crew lead with years on the job
04Haul-away, chipping and cleanup written in, not assumed
05The stump: ground, left, or priced as a separate line
06Who pulls the city permit, and whether the fee is in the price
07What happens if a fence, roof or lawn gets damaged
08Your written approval before any extra work is added
Check any company yourself

We don't vet or license anyone. These are the official lookups; each takes about a minute.

WhatWhereWhat it shows
Oregon CCB licenseCCB license searchActive status, bond, insurance on file, complaints
Oregon LCB licenseLCB verify a licenseLandscape contracting license, which covers tree work
Washington contractor registrationL&I VerifyRegistration, bond, workers' comp, lawsuits, violations
ISA Certified ArboristISA directoryCurrent certification and credential number

How to read them: Oregon guide · Washington guide

Westcoast-Tree.org is an independent information site. If you call a number on this site, the call goes to a tree service that covers your area and we may be paid a referral fee by that company. We don't perform tree work and we don't vet, license or insure anyone. Cost figures are modeled estimates, not quotes (method). Not affiliated with the former Westcoast Tree Care Inc of Tumwater, WA.

Call for a local estimate(877) 720-7431