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Spokane County, WA Right to Farm: Agricultural Zoning Protection (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

LTA residential density
1 unit per 40 acres
STA residential density
1 unit per 10 acres
Prime soil rezone threshold
25% Class I/II soil blocks LTA rezone
Broader soil threshold
50% Class I-III blocks LTA rezone
Exception
Average slope over 20% or man-made barrier
Required disclosure
Resource activity notice recorded in deed

Summary

Spokane County's Large Tract and Small Tract Agricultural zones exist to keep commercial farmland in production. A parcel with mostly prime USDA soils cannot be rezoned out of the Large Tract Agricultural zone unless steep slope or man-made barriers already limit farming there.

These county ordinances apply to unincorporated areas of Spokane County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

The purpose of the Resource Lands classifications is to protect and preserve Spokane County's valuable agriculture and forest resources. Avoiding the irrevocable loss of these resources and protecting them for future generations is the purpose of this chapter. ... The Large Tract Agricultural zone establishes large tract agricultural areas devoted primarily to commercial crop production including small grains, non-forage legumes, grass seed and animal production. ... Residential density is one unit per forty acres and residential uses should be associated with farming operations. ... Reclassification of property from the Large Tract Agricultural zone to any other zone is subject to the following: ... No parcel of land shall be rezoned if twenty-five percent or more of its soils are USDA-NRCS class I or II unless the tract meets one of the following requirements: i.The average slope exceeds twenty percent.ii.Man-made or natural features act as barriers to normal agricultural operations.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 63).

Full Breakdown

616 creates the Resource Lands classifications, including the Large Tract Agricultural (LTA) and Small Tract Agricultural (STA) zones, to protect and preserve the county's agriculture and forest resources and avoid their irrevocable loss. The LTA zone sets residential density at one unit per forty acres and is meant for commercial crop production such as small grains, legumes and grass seed, with residential uses tied to farming operations; the STA zone allows one unit per ten acres for berry, dairy, fruit, grain, vegetable and Christmas tree production, plus direct marketing of farm products to the public.

410 controls how land can leave these zones. Any reclassification out of LTA or STA must go through a concurrent comprehensive plan amendment, and no parcel can be rezoned out of the LTA zone if twenty-five percent or more of its soil is USDA-NRCS Class I or II, or fifty percent or more is Class I, II, III or designated farmland of statewide importance, unless the average slope exceeds twenty percent or man-made or natural features already act as a barrier to normal agricultural operations.

510 resource activity notification in the deed, disclosing proximity to designated agricultural, forest or mineral land. Applications to rezone must include an NRCS soils map, a calculation of soil-class percentages, and a slope map if any slope exceeds twenty percent. 170.

Violations & Fines

A rezone application missing the required NRCS soils map, soil-class calculation or slope map is incomplete and will not be processed by Building and Planning. An application proposing to pull prime-soil LTA land out of the agricultural zone without qualifying slope or barrier evidence is denied administratively; it cannot proceed to a comprehensive plan amendment hearing. Owners who reclassify out of a resource zone but fail to record the required resource activity notification in the deed remain subject to Building and Planning follow-up to correct the recording.

Frequently Asked Questions

Can I rezone my Large Tract Agricultural land in Spokane County?
Only if it goes through a comprehensive plan amendment and, if twenty-five percent or more of the soil is USDA-NRCS Class I or II (or fifty percent or more is Class I through III), the average slope exceeds twenty percent or man-made features already block normal farming, per SCC 14.616.410.
What documents does a Spokane County agricultural rezone need?
A soils map from the Natural Resources Conservation Service, a calculation of the percentage of each soil class on the parcel, and a slope map if any part of the site exceeds twenty percent slope, submitted with the comprehensive plan amendment application.
What is the density limit in the Large Tract Agricultural zone?
One residential unit per forty acres, with residential uses expected to be associated with an active farming operation; the Small Tract Agricultural zone allows one unit per ten acres for smaller-scale crop and orchard operations.

Sources & Official References

Other rules in Spokane County

All Spokane County rules

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