Looking for a certified arborist in Walla Walla, WA? Describe your project once and up to three certified arborists who work in Walla Walla and Walla Walla County get back to you with a quote. It's free and there is no obligation.
Walla Walla is home to about 33,901 people (2024 Census Bureau estimate), a shrinking community (−1.1% since 2020). With 2,410 people per sq mi, it is a suburban area. Tree ordinances and construction near mature trees are the usual reasons residents need an arborist report.
Walla Walla at a glance
- Population (Census Bureau estimate, 2024)
- 33,901 (−1.1% since 2020)
- Rank in Washington
- 38th of 281 cities and towns
- Land area
- 14 sq mi
- Population density
- 2,410 people per sq mi (suburban)
- Type
- City (Walla Walla city)
- Main county
- Walla Walla County
What to check before hiring in Walla Walla
- Local ordinance: check Walla Walla's tree rules: protected sizes, species and permit process.
- Certification: ask for the ISA certification number, and TRAQ for risk assessments.
- Independence: a consulting arborist who does not do removals gives a neutral report.
- Price drivers: number of trees, site visit, and whether a protection plan is needed.
Useful official resources
-
ISA: International Society of Arboriculture
Official information and guidance.
-
Trees Are Good (ISA)
Official information and guidance.
Services available in Walla Walla
-
Arborist report for a permit
Certified arborist report for a tree removal permit or a construction project near protected trees.
-
Tree risk assessment
Assessment of a tree's condition and risk of failure, with recommendations.
Frequently asked questions in Walla Walla
How much does an arborist report cost in Walla Walla, WA?
It depends on the number of trees and the report required. Describe your project: arborists who serve Walla Walla reply with a quote.
How long does it take?
Often a site visit within days and the report within a week or two.
Do I need a permit to remove a tree?
It depends on the city and the tree; check before you cut.
Which certified arborists will contact me?
Up to three independent certified arborists who serve Walla Walla and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.