Building Safety in Richland, WA (2026)
7 verified building safety rules for Richland, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fire Sprinkler Requirements
Richland requires an approved automatic sprinkler system in any building meeting Table 20.05.020's thresholds under RMC § 20.05.020, and the table extends that mandate to R3 occupancies, meaning single-family homes, duplexes, and small child care uses, citing the Washington Administrative Code as its authority. Where an NFPA 13D system is installed, it must meet the city's cross-connection control program without a backflow preventer.
Richland Residential Fire Sprinkler Rule
Some RestrictionsRichland Municipal Code § 20.05.020 (incl. Table 20.05.020, R3 row)
§ 20.05.020. Fire alarm and automatic sprinkler system requirements. A. Where Required. An approved fire alarm system and automatic sprinkler system shall be installed throughout all buildings constructed whose total floor area, or other requirements, meets or exceeds that listed in Table 20.05.020. ... ... H. Where an NFPA 13D sprinkler system is required, it shall be an approved system, compl...
Childcare Center Rules
In the City of Richland, Washington, a day care center's outdoor play area must be fenced to at least four feet, and opening one requires a special use permit backed by a title report, legal description and a list of property owners within 300 feet, with city inspections completed before any business license issues.
Richland Day Care Center Safety and Permits
Significant RestrictionsRichland Municipal Code § 23.42.080(D)(2), (E), (F)
2. Day care centers shall be fenced to a height of not less than four feet. E. Any applicant requesting the issuance of a special use permit as required by ordinance for a day care center shall provide, at the time of application, a title insurance company report showing ownership of record of the property involved, an accurate legal description of the property involved, and a list of the names...
Carbon Monoxide Detectors
Table 20.05.020 under RMC § 20.05.020 requires carbon monoxide detection in hotels and motels (R1), apartments (R2), and single-family homes, duplexes, and small child care (R3), citing the Washington Administrative Code as the authority for each. The requirement applies regardless of building size, unlike the square-footage thresholds that trigger sprinklers and alarms in most other occupancy groups.
Richland Carbon Monoxide Detector Rule
Some RestrictionsRichland Municipal Code § 20.05.020, Table 20.05.020 (R1, R2, R3 rows)
Table 20.05.020 ... R1 Hotels & motels (transient) 2 All Carbon monoxide RMC WAC Any building containing this occupancy group IFC R2 Apartments (non-transient) 2 All Carbon monoxide RMC WAC Any building containing this occupancy group IFC R3 Single-family, duplex, child care ≥ 5 persons < 24 hours 2 Single station smoke alarm Carbon monoxide IFC WAC Any building containing this occupancy ...
Building Permits
In the City of Richland, Washington, RMC § 23.70.030 bars erecting, moving, adding to or structurally altering any building or structure without a permit issued under the city's adopted building code, and bars issuing that permit unless the project also conforms to Title 23 zoning. Richland does not offer annual or blanket permits, and contractors need both a city business license and state registration before starting work.
Richland Building Permit Requirement
Some RestrictionsRichland Municipal Code § 23.70.030
No building or other structure shall be erected, moved, added to, or structurally altered without a building permit issued in accordance with the building code of the city of Richland. No building permit shall be issued except in conformity with the provisions of this title.
Electrical Permits
In the City of Richland, Washington, RMC § 21.01.020(D)(2) declines to adopt the model building code's electrical permit and exemption subcategory at all. Instead, every electrical permit, and every exemption from one, in Richland is set by the Washington State Department of Labor and Industries, not Development Services.
Richland Electrical Permits via State L&I
Some RestrictionsRichland Municipal Code § 21.01.020(D)(2)
2. Electrical. This entire subcategory, including repairs and maintenance, radio and television transmitting devices, and temporary testing systems, shall not be adopted. All electrical permits and permit exemptions shall be as set forth by the State of Washington Department of Labor and Industries.
Plumbing Permits
In the City of Richland, Washington, plumbing work is governed by the Uniform Plumbing Code with statewide amendments, adopted under RMC § 21.01.010(K). RMC § 21.01.020(D)(3) drops the model building code's own plumbing exemption items, so every plumbing permit and exemption in the city instead follows that adopted plumbing code directly.
Richland Plumbing Permit and UPC Adoption
Some RestrictionsRichland Municipal Code §§ 21.01.010(K), 21.01.020(D)(3)
Uniform Plumbing Code with statewide amendments. ... ... 3. Plumbing. Items (1) and (2) of this subcategory shall not be adopted. All plumbing permits and plumbing permit exemptions shall be as set forth in the adopted plumbing code.
Building Inspections
In the City of Richland, Washington, Development Services will not release a certificate of occupancy or completion until every city department and any state or federal agency with jurisdiction has signed off, per RMC § 21.01.020(G). For shell-only permits, the building official issues a Certificate of Shell Completion after final inspection, listing the permit number, owner and an explicit warning against occupancy until tenant improvements are approved.
Richland Final Inspection & Shell Completion
Some RestrictionsRichland Municipal Code § 21.01.020(H)
111.2 (R110.3) Certificate Issued. This subsection shall be amended to add the following related to issuance of a certificate of completion: 111.2.1 (R110.3.1) After final inspection of a building or structure for which the permit was issued for only the building shell, if no violations of this code or of related land use and public health ordinances, rules and regulations have been discovered,...
Looking for Benton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Richland city rules.
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