Laws & Codes — Walla Walla County, Washington

A live mirror of statutes, administrative rules, regulations, and case decisions that apply in Walla Walla County, Washington. Pulled directly from official sources, ordered most-recent first, fully searchable across the network.

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• Walla Walla County Code § 2FLDAPR_ARTIIIFLPRST_18.12.300SHFLARAOZO
  18.12.300 - Shallow flooding areas (AO zones).
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § N_CH18.12FLDAPR_ARTIIIFLPRST_18.12.290FL
  18.12.290 - Floodways.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.12FLDAPR_ARTIIIFLPRST_18.12.285REVE
  18.12.285 - Recreational vehicles.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.12FLDAPR_ARTIIIFLPRST_18.12.280MAHO
  18.12.280 - Manufactured homes.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.12FLDAPR_ARTIIIFLPRST_18.12.260NOCO
  18.12.260 - Nonresidential construction.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.12FLDAPR_ARTIIIFLPRST_18.12.250RECO
  18.12.250 - Residential construction.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.12FLDAPR_ARTIIIFLPRST_18.12.240SPST
  18.12.240 - Specific standards.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 18.12FLDAPR_ARTIIIFLPRST_18.12.230BUPERE
  18.12.230 - Building permit review.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.12FLDAPR_ARTIIIFLPRST_18.12.220SUPR
  18.12.220 - Subdivision proposals.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § N_CH18.12FLDAPR_ARTIIIFLPRST_18.12.210UT
  18.12.210 - Utilities.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 18.12FLDAPR_ARTIIIFLPRST_18.12.200COMAME
  18.12.200 - Construction material and methods.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § N_CH18.12FLDAPR_ARTIIIFLPRST_18.12.190AN
  18.12.190 - Anchoring.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § N_CH18.12FLDAPR_ARTIIIFLPRST_18.12.180GE
  18.12.180 - Generally.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § EN_CH18.12FLDAPR_ARTIIAD_18.12.170VASSPR
  18.12.170 - Variance—Issuance procedure.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 18EN_CH18.12FLDAPR_ARTIIAD_18.12.160VAIS
  18.12.160 - Variance issuance.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § EN_CH18.12FLDAPR_ARTIIAD_18.12.150APARRE
  18.12.150 - Appeals—Variance review.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 18EN_CH18.12FLDAPR_ARTIIAD_18.12.140ADDU
  18.12.140 - Administrator—-Duties.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 18EN_CH18.12FLDAPR_ARTIIAD_18.12.130ADES
  18.12.130 - Administrator—Designated.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § EN_CH18.12FLDAPR_ARTIIAD_18.12.120DEPEST
  18.12.120 - Development permit—Establishment.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.110LIDI
  18.12.110 - Liability disclaimer.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.100INPR
  18.12.100 - Interpretation of provisions.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § N_CH18.12FLDAPR_ARTIGEPR_18.12.090GRREAP
  18.12.090 - Greater restrictions to apply.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.080CORE
  18.12.080 - Compliance required.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 18.12FLDAPR_ARTIGEPR_18.12.070SPFLHAARES
  18.12.070 - Special flood hazard area—-Establishment.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.060APPR
  18.12.060 - Applicability of provisions.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § T18EN_CH18.12FLDAPR_ARTIGEPR_18.12.050DE
  18.12.050 - Definitions.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § N_CH18.12FLDAPR_ARTIGEPR_18.12.040MEPRGE
  18.12.040 - Methods and provisions generally.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.030PUPR
  18.12.030 - Purpose of provisions.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.020FIFA
  18.12.020 - Findings of fact.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § 8EN_CH18.12FLDAPR_ARTIGEPR_18.12.010STAU
  18.12.010 - Statutory authorization.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § TIT18EN_CH18.12FLDAPR
  CHAPTER 18.12 - FLOOD DAMAGE PREVENTION
  municode · Chapter 18.12 - FLOOD DAMAGE PREVENTION · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § IT18EN_CH18.10MIRELAPO_18.10.040MILAMAPO
  18.10.040 - Mineral lands management policies.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § TIT18EN_CH18.10MIRELAPO_18.10.030CLCR
  18.10.030 - Classification criteria.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § TIT18EN_CH18.10MIRELAPO_18.10.020DE
  18.10.020 - Definition.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § TIT18EN_CH18.10MIRELAPO_18.10.010BAEQ
  18.10.010 - Background—Requirements.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § H18.08CRARPR_18.08.675FIWIHACOARATBOUFDE
  18.08.675 - Fish and wildlife habitat conservation areas—Water bodies—Buffer decrease.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § H18.08CRARPR_18.08.674FIWIHACOARATBOUFIN
  18.08.674 - Fish and wildlife habitat conservation areas—Water bodies—Buffer increase.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § H18.08CRARPR_18.08.673FIWIHACOARATBOUFAV
  18.08.673 - Fish and wildlife habitat conservation areas—Water bodies—Buffer averaging.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § CH18.08CRARPR_18.08.672FIWIHACOARIRMMIST
  18.08.672 - Fish and wildlife habitat conservation areas—Wind-farm mitigation standards.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § EN_CH18.08CRARPR_18.08.671FIWIHACOARITST
  18.08.671 - Fish and wildlife habitat conservation areas—Mitigation standards.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:54:19 UTC
• Walla Walla County Code § EN_CH18.08CRARPR_18.08.670FIWIHACOARIPST
  18.08.670 - Fish and wildlife habitat conservation areas—Piped streams.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § TIT18EN_CH18.08CRARPR_18.08.660PESTUB
  18.08.660 - Performance standards—Subdivisions.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § TIT18EN_CH18.08CRARPR_18.08.650PESTPEHA
  18.08.650 - Performance standards—Specific habitats.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § TIT18EN_CH18.08CRARPR_18.08.640PESTENRE
  18.08.640 - Performance standards—General requirements.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § _CH18.08CRARPR_18.08.630CRARREDDREHACOAR
  18.08.630 - Critical area report—Additional requirements for habitat conservation areas.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § H18.08CRARPR_18.08.620FIWIHACOARATBOLLUS
  18.08.620 - Fish and wildlife habitat conservation areas—Water bodies—Allowed uses.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § 18EN_CH18.08CRARPR_18.08.610FIWIHACOARAP
  18.08.610 - Fish and wildlife habitat conservation areas—Mapping.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § 18EN_CH18.08CRARPR_18.08.600FIWIHACOARES
  18.08.600 - Fish and wildlife habitat conservation areas—Designation.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § TIT18EN_CH18.08CRARPR_18.08.560PESTPEHA
  18.08.560 - Performance standards—Specific hazards.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC
• Walla Walla County Code § TIT18EN_CH18.08CRARPR_18.08.550PESTENRE
  18.08.550 - Performance standards—General requirements.
  municode · Title 18 - ENVIRONMENT · added 2026-04-25 01:49:47 UTC