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Chapter IX

SEC. 91.1100. BASIC PROVISIONS.

Los Angeles Rent Rules (LAMC excerpts) · 2025 edition · updated 2026-07-25 · Los Angeles

(Amended by Ord. No. 185,587, Eff. 7/16/18.)

Chapter 11-A and 11-B of the CBC are hereby adopted by reference.

DIVISION 12 INTERIOR ENVIRONMENT

(Division Amended by Ord. No. 179,324, Eff. 12/10/07, Oper. 1/1/08.)

91.1200 Basic Provisions. 91.1206 Sound Transmission.

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▸ Contents — Los Angeles Rent Rules (LAMC excerpts)
Los Angeles Rent Rules (LAMC excerpts)
  1. Chapter I
  2. ▸ Chapter IX
    Overview
    1. SEC. 91.101. TITLE, PURPOSE, AND SCOPE.
    2. SEC. 91.102. UNSAFE BUILDINGS OR STRUCTURES.
    3. SEC. 91.103. VIOLATIONS.
    4. SEC. 91.104. ORGANIZATION AND ENFORCEMENT.
    5. SEC. 91.105. APPEALS.
    6. SEC. 91.106. PERMITS.
    7. SEC. 91.107. FEES.
    8. SEC. 91.108. INSPECTION.
    9. SEC. 91.109. CERTIFICATE OF OCCUPANCY.
    10. SEC. 91.110. RESPONSIBILITY OF PERMITTEE.
    11. SEC. 91.111. CODE REVISION.
    12. SEC. 91.113. PERMIT FEES.
    13. SEC. 91.201. GENERAL.
    14. SEC. 91.202. DEFINITIONS.
    15. SEC. 91.300. BASIC PROVISIONS.
    16. SEC. 91.400. BASIC PROVISIONS.
    17. SEC. 91.500. BASIC PROVISIONS.
    18. SEC. 91.600. BASIC PROVISIONS.
    19. SEC. 91.700. BASIC PROVISIONS.
    20. SEC. 91.703. FIRE-RESISTANCE RATINGS AND FIRE TESTS.
    21. SEC. 91.800. BASIC PROVISIONS.
    22. SEC. 91.900. BASIC PROVISIONS.
    23. SEC. 91.909. SMOKE CONTROL SYSTEMS.
    24. SEC. 91.1000. BASIC PROVISIONS.
    25. SEC. 91.1100. BASIC PROVISIONS.
    26. SEC. 91.1200. BASIC PROVISIONS.
    27. SEC. 91.1206. SOUND TRANSMISSION.
    28. SEC. 91.1300. GENERAL.
    29. SEC. 91.1301. SOLAR ENERGY COLLECTORS.
    30. SEC. 91.1400. BASIC PROVISIONS.
    31. SEC. 91.1402. PERFORMANCE REQUIREMENTS.
    32. SEC. 91.1500. BASIC PROVISIONS.
    33. SEC. 91.1505. FIRE CLASSIFICATION.
    34. SEC. 91.1507. REQUIREMENTS FOR ROOF COVERINGS.
    35. SEC. 91.1511. REROOFING.
    36. SEC. 91.1600. BASIC PROVISIONS.
    37. SEC. 91.1603. CONSTRUCTION DOCUMENTS.
    38. SEC. 91.1609. WIND LOADS.
    39. SEC. 91.1612. FLOOD LOADS.
    40. SEC. 91.1613. EARTHQUAKE LOADS.
    41. SEC. 91.1700. GENERAL.
    42. SEC. 91.1702. NEW MATERIALS.
    43. SEC. 91.1703. APPROVALS.
    44. SEC. 91.1704. SPECIAL INSPECTIONS.
    45. SEC. 91.1705. REQUIRED VERIFICATION AND INSPECTION.
    46. SEC. 91.1706. DESIGN STRENGTHS OF MATERIALS.
    47. SEC. 91.1710. CERTIFIED SECURITY BAR INSTALLER.
    48. SEC. 91.1711. PREFABRICATED CONSTRUCTION.
    49. SEC. 91.1800. BASIC PROVISIONS.
    50. SEC. 91.1801. GENERAL.
    51. SEC. 91.1802. DESIGN BASIS.
    52. SEC. 91.1803. GEOTECHNICAL INVESTIGATION.
    53. SEC. 91.1804. EXCAVATION, GRADING AND FILL.
    54. SEC. 91.1805. DAMPPROOFING AND WATERPROOFING.
    55. SEC. 91.1806. PRESUMPTIVE LOAD BEARING VALUES OF SOILS.
    56. SEC. 91.1807. FOUNDATION WALLS, RETAINING WALLS, AND EMBEDDED …
    57. SEC. 91.1808. FOUNDATIONS.
    58. SEC. 91.1809. SHALLOW FOUNDATIONS.
    59. SEC. 91.1810. DEEP FOUNDATIONS..
    60. SEC. 91.1900. BASIC PROVISIONS.
    61. SEC. 91.2000. BASIC PROVISIONS.
    62. SEC. 91.2100. BASIC PROVISIONS.
    63. SEC. 91.2113. MASONRY CHIMNEYS.
    64. SEC. 91.2200. BASIC PROVISIONS.
    65. SEC. 91.2204. CONNECTIONS.
    66. SEC. 91.2300. BASIC PROVISIONS.
    67. SEC. 91.2301. GENERAL.
    68. SEC. 91.2304. GENERAL CONSTRUCTION REQUIREMENTS.
    69. SEC. 91.2305. GENERAL DESIGN REQUIREMENTS FOR LATERAL FORCE-RE…
    70. SEC. 91.2306. ALLOWABLE STRESS DESIGN.
    71. SEC. 91.2308. CONVENTIONAL LIGHT-FRAME CONSTRUCTION.
    72. SEC. 91.2400. BASIC PROVISIONS.
    73. SEC. 91.2503. INSPECTIONS.
    74. SEC. 91.2600. BASIC PROVISIONS.
    75. SEC. 91.2700. BASIC PROVISIONS.
    76. SEC. 91.2800. BASIC PROVISIONS.
    77. SEC. 91.2900. BASIC PROVISIONS.
    78. SEC. 91.3000. BASIC PROVISIONS.
    79. SEC. 91.3001. GENERAL.
    80. SEC. 91.3002. HOISTWAY ENCLOSURES.
    81. SEC. 91.3003. EMERGENCY OPERATIONS.
    82. SEC. 91.3004. CONVEYING SYSTEMS.
    83. SEC. 91.3005. CONVEYING SYSTEMS.
    84. SEC. 91.3007. FIRE SERVICE ACCESS ELEVATOR.
    85. SEC. 91.3008. OCCUPANT EVACUATION ELEVATORS.
    86. SEC. 91.3100. BASIC PROVISIONS.
    87. SEC. 91.3106. MARQUEES.
    88. SEC. 91.3108. TELECOMMUNICATIONS AND BROADCAST TOWERS.
    89. SEC. 91.3109. SWIMMING POOL ENCLOSURES AND SAFETY DEVICES.
    90. SEC. 91.3112. PATIO COVERS.
    91. SEC. 91.3200. BASIC PROVISIONS.
    92. SEC. 91.3201. GENERAL.
    93. SEC. 91.3202. GENERAL.
    94. SEC. 91.3300. BASIC PROVISIONS.
    95. SEC. 91.3301. GENERAL.
    96. SEC. 91.3304. SITE WORK.
    97. SEC. 91.3305. TOILET FACILITIES DURING CONSTRUCTION.
    98. SEC. 91.3306. PROTECTION OF PEDESTRIANS.
    99. SEC. 91.3307. PROTECTION OF ADJOINING PROPERTY.
    100. SEC. 91.3500. BASIC PROVISIONS.
    101. SEC. 91.6101. IMPACT HAZARD GLAZING IN EXISTING BUILDINGS.
    102. SEC. 91.6102. RUBBISH ROOMS.
    103. SEC. 91.6103. SHAFTS, PITS AND SIMILAR EXCAVATION – MISDEMEANOR.
    104. SEC. 91.6104. FIRE DISTRICTS.
    105. SEC. 91.6105. SEPARATION FROM OIL WELLS.
    106. SEC. 91.6107. TRANSFORMER VAULTS.
    107. SEC. 91.6109. SWIMMING POOLS AND OTHER BODIES OF WATER – PROTE…
    108. SEC. 91.6201. GENERAL PROVISIONS.
    109. SEC. 91.6202. DEFINITIONS.
    110. SEC. 91.6203. LOCATION.
    111. SEC. 91.6204. IDENTIFICATION.
    112. SEC. 91.6205. DESIGN AND CONSTRUCTION.
    113. SEC. 91.6206. ELECTRICAL.
    114. SEC. 91.6207. COMBUSTIBLE MATERIALS.
    115. SEC. 91.6208. ANIMATED DEVICES.
    116. SEC. 91.6209. GROUND SIGNS.
    117. SEC. 91.6210. ROOF SIGNS.
    118. SEC. 91.6211. WALL SIGNS.
    119. SEC. 91.6212. PROJECTING SIGNS.
    120. SEC. 91.6213. MARQUEE SIGNS.
    121. SEC. 91.6214. PORTABLE SIGNS.
    122. SEC. 91.6215. REFERENCED STANDARDS.
    123. SEC. 91.6216. EXISTING SIGNS.
    124. SEC. 91.6301. GENERAL.
    125. SEC. 91.6302. FOOD ESTABLISHMENT.
    126. SEC. 91.6303. SERVICE STATIONS.
    127. SEC. 91.6304. RESIDENTIAL USES.
    128. SEC. 91.6305. PARKING GARAGES SERVING RESIDENTIAL USES.
    129. SEC. 91.6306. ANTI-GRAFFITI FINISH TO EXTERIOR WALLS.
    130. SEC. 91.6307. SHOWER AND LOCKER FACILITIES.
    131. SEC. 91.6701. PURPOSE.
    132. SEC. 91.6702. GENERAL.
    133. SEC. 91.6703. LIMITATIONS.
    134. SEC. 91.6704. ALTERNATE SECURITY PROVISIONS.
    135. SEC. 91.6705. DEFINITIONS.
    136. SEC. 91.6706. ENTRY VISION.
    137. SEC. 91.6707. APPURTENANT ACCESS.
    138. SEC. 91.6708. DOORS – GENERAL.
    139. SEC. 91.6709. SWINGING DOORS.
    140. SEC. 91.6710. SLIDING GLASS DOORS.
    141. SEC. 91.6711. OVERHEAD AND SLIDING DOORS.
    142. SEC. 91.6712. METAL ACCORDION-GRATE OR GRILLE-TYPE DOORS.
    143. SEC. 91.6713. GLAZED OPENING – GENERAL.
    144. SEC. 91.6714. GLAZING.
    145. SEC. 91.6715. WINDOWS.
    146. SEC. 91.6716. OPENINGS OTHER THAN DOORS OR GLAZED OPENINGS.
    147. SEC. 91.6717. TESTS – GENERAL.
    148. SEC. 91.7001. PURPOSE.
    149. SEC. 91.7002. SCOPE.
    150. SEC. 91.7003. DEFINITIONS.
    151. SEC. 91.7004. GRADING DESIGNATION.
    152. SEC. 91.7005. GENERAL REQUIREMENTS.
    153. SEC. 91.7006. CONDITIONS PRECEDENT TO ISSUING A GRADING PERMIT.
    154. SEC. 91.7007. SAFETY PRECAUTIONS DURING GRADING.
    155. SEC. 91.7008. PROFESSIONAL INSPECTION AND CERTIFICATION FOR EN…
    156. SEC. 91.7009. PROFESSIONAL INSPECTION FOR REGULAR GRADING.
    157. SEC. 91.7010. EXCAVATIONS.
    158. SEC. 91.7011. FILLS.
    159. SEC. 91.7012. PLANTING AND IRRIGATION OF CUT AND FILL SLOPES I…
    160. SEC. 91.7013. EROSION CONTROL AND DRAINAGE DEVICES.
    161. SEC. 91.7014. CONSTRUCTION REQUIREMENTS AND LIMITATIONS.
    162. SEC. 91.7015. BUTTRESS FILLS.
    163. SEC. 91.7016. AREAS SUBJECTED TO SLIDES AND UNSTABLE SOIL.
    164. SEC. 91.7101. PURPOSE.
    165. SEC. 91.7102. DEFINITIONS.
    166. SEC. 91.7103. GENERAL METHANE MITIGATION REQUIREMENTS.
    167. SEC. 91.7104. GENERAL METHANE REQUIREMENTS.
    168. SEC. 91.7105. EXISTING BUILDINGS.
    169. SEC. 91.7106. TESTING, MAINTENANCE AND SERVICE OF GAS-DETECTIO…
    170. SEC. 91.7107. EMERGENCY PROCEDURES.
    171. SEC. 91.7108. APPLICATION OF METHANE SEEPAGE REGULATIONS TO LO…
    172. SEC. 91.7109. ADDITIONAL REMEDIAL MEASURES.
    173. SEC. 91.7200. PURPOSE.
    174. SEC. 91.7201. GENERAL.
    175. SEC. 91.7202. ADDITIONS TO BUILDINGS.
    176. SEC. 91.7203. GENERAL REQUIREMENTS.
    177. SEC. 91.7204. SPECIAL REQUIREMENTS FOR FIRE DISTRICT NUMBER 1.
    178. SEC. 91.7205. PROVISIONAL STRUCTURES.
    179. SEC. 91.7207. SPECIAL REQUIREMENTS FOR THE VERY HIGH FIRE HAZA…
    180. SEC. 91.7208. PROHIBITED VEHICLES.
    181. SEC. 91.8101. GENERAL PROVISIONS.
    182. SEC. 91.8102. ENFORCEMENT.
    183. SEC. 91.8103. EXISTING BUILDING RIGHTS.
    184. SEC. 91.8104. BASIC MAINTENANCE AND REPAIR OF EXISTING BUILDIN…
    185. SEC. 91.8105. ILLEGAL BUILDINGS, CONSTRUCTION AND USE.
    186. SEC. 91.8106. FIRE DISTRICT REQUIREMENTS.
    187. SEC. 91.8108. NUISANCES, HAZARDOUS BUILDINGS AND SUBSTANDARD R…
    188. SEC. 91.8109. RELOCATED BUILDINGS.
    189. SEC. 91.8110. UNREINFORCED MASONRY BEARING WALL BUILDINGS.
    190. SEC. 91.8111. RESIDENTIAL HEATING.
    191. SEC. 91.8112. RESIDENTIAL PLUMBING.
    192. SEC. 91.8113. ROD BRACING SYSTEMS.
    193. SEC. 91.8114. PARAPETS AND APPENDAGES.
    194. SEC. 91.8115. SANDBLASTING.
    195. SEC. 91.8116. SPECIAL PROVISIONS FOR LIGHT-HOUSEKEEPING ROOMS.
    196. SEC. 91.8117. FIRE WATCH.
    197. SEC. 91.8118. POOL WATER CLARITY.
    198. SEC. 91.8119. HISTORICAL BUILDINGS AND STRUCTURES.
    199. SEC. 91.8201. GENERAL.
    200. SEC. 91.8202. CHANGE OF RATING CLASSIFICATION.
    201. SEC. 91.8203. CHANGE OF OCCUPANCY GROUP OR GROUP DIVISION.
    202. SEC. 91.8204. CHANGE OF USE.
    203. SEC. 91.8205. CERTIFICATE OF BUILDING COMPLIANCE.
    204. SEC. 91.8301. GENERAL APPLICATION.
    205. SEC. 91.8302. PERMITS REQUIRED – GENERAL CONSIDERATIONS.
    206. SEC. 91.8303. PERMIT APPLICATION – PLANS AND SPECIFICATIONS.
    207. SEC. 91.8304. SPECIAL CONDITIONS UNDER WHICH A PERMIT WILL NOT…
    208. SEC. 91.8305. GUARANTEE OF COMPLETION REQUIRED.
    209. SEC. 91.8306. TERMS OF PERMIT.
    210. SEC. 91.8307. DEFAULT IN PERFORMANCE OF CONDITIONS OR TERMS OF…
    211. SEC. 91.8308. PERMIT FEES.
    212. SEC. 91.8309. ENTRY UPON PREMISES.
    213. SEC. 91.8501. GENERAL.
    214. SEC. 91.8502. ALTERNATIVE STANDARDS.
    215. SEC. 91.8601. GENERAL.
    216. SEC. 91.8602. GROUP E OCCUPANCIES.
    217. SEC. 91.8603. FIRE PROTECTION – WARNING SYSTEM.
    218. SEC. 91.8604. FIRE SAFETY STANDARDS.
    219. SEC. 91.8605. EMERGENCY HOMELESS SHELTERS.
    220. SEC. 91.8606. EMERGENCY LIGHTING STANDARDS FOR EXISTING RESIDE…
    221. SEC. 91.8607. TENANT SAFETY FOR APARTMENT HOUSES, EXCEPT FOR R…
    222. SEC. 91.8801. PURPOSE.
    223. SEC. 91.8802. SCOPE.
    224. SEC. 91.8803. DEFINITIONS.
    225. SEC. 91.8804. RATING CLASSIFICATIONS.
    226. SEC. 91.8805. GENERAL REQUIREMENTS.
    227. SEC. 91.8806. ADMINISTRATION.
    228. SEC. 91.8807. HISTORICAL BUILDINGS.
    229. SEC. 91.8808. ANALYSIS AND DESIGN.
    230. SEC. 91.8809. MATERIALS OF CONSTRUCTION.
    231. SEC. 91.8810. INFORMATION REQUIRED ON PLANS.
    232. SEC. 91.8811. DESIGN CHECK – COMPATIBILITY OF ROOF DIAPHRAGM S…
    233. SEC. 91.8812. VIOLATIONS.
    234. SEC. 91.8813. SPECIAL REQUIREMENTS FOR VACANT BUILDINGS.
    235. SEC. 91.8901. GENERAL.
    236. SEC. 91.8902. DEFINITIONS.
    237. SEC. 91.8903. ABATEMENT PROCEDURES.
    238. SEC. 91.8903 Los Angeles Municipal Code.
    239. SEC. 91.8904. SPECIAL PROVISIONS FOR VACANT PROPERTY GRAFFITI …
    240. SEC. 91.8905. SPECIAL PROVISIONS FOR VACATING, BARRICADING, RE…
    241. SEC. 91.8906. PAYMENT AND RECOVERY OF REPAIR AND DEMOLITION FU…
    242. SEC. 91.8907. ABATEMENT OF PUBLIC NUISANCE CONDITIONS RELATED …
    243. SEC. 91.8908. SPECIAL PROVISIONS FOR THE REPAIR OF WELDED STEE…
    244. SEC. 91.8910. PROCEDURE FOR ABATEMENT OF NUISANCE; RECOVERY OF…
    245. SEC. 91.9001. GENERAL.
    246. SEC. 91.9002. DEFINITIONS.
    247. SEC. 91.9003. ABATEMENT PROCEDURES.
    248. SEC. 91.9101. PURPOSE.
    249. SEC. 91.9102. SCOPE.
    250. SEC. 91.9103. DEFINITIONS.
    251. SEC. 91.9104. RATING CLASSIFICATIONS.
    252. SEC. 91.9105. GENERAL REQUIREMENTS.
    253. SEC. 91.9106. ADMINISTRATION.
    254. SEC. 91.9107. HISTORICAL BUILDINGS.
    255. SEC. 91.9108. ANALYSIS AND DESIGN.
    256. SEC. 91.9109. MATERIALS OF CONSTRUCTION.
    257. SEC. 91.9110. INFORMATION REQUIRED ON PLANS.
    258. SEC. 91.9111. REQUIRED BUILDING MAINTENANCE.
    259. SEC. 91.9112. VIOLATIONS – PENALTIES FOR DISREGARDING DEPARTME…
    260. SEC. 91.9201. GENERAL.
    261. SEC. 91.9202. DEFINITIONS.
    262. SEC. 91.9203. STRUCTURAL WEAKNESSES.
    263. SEC. 91.9204. STRENGTHENING REQUIREMENTS.
    264. SEC. 91.9205. QUALITY CONTROL.
    265. SEC. 91.9301. PURPOSE.
    266. SEC. 91.9302. SCOPE.
    267. SEC. 91.9303. DEFINITIONS.
    268. SEC. 91.9304. PRIORITY DESIGNATIONS.
    269. SEC. 91.9305. COMPLIANCE REQUIREMENTS.
    270. SEC. 91.9306. ADMINISTRATION.
    271. SEC. 91.9307. OCCUPANT AND TENANT ADVISORY.
    272. SEC. 91.9308. HISTORICAL BULDINGS.
    273. SEC. 91.9309. ENGINEERING ANALYSIS.
    274. SEC. 91.9310. INFORMATION REQUIRED ON PLANS.
    275. SEC. 91.9311. VIOLATION / PENALTY.
    276. SEC. 91.9312. SEVERABILITY.
    277. SEC. 91.9401. PURPOSE.
    278. SEC. 91.9402. SCOPE.
    279. SEC. 91.9403. DEFINITIONS.
    280. SEC. 91.9404. GENERAL REQUIREMENTS.
    281. SEC. 91.9405. PRE-DESIGN INVESTIGATION.
    282. SEC. 91.9406. ANALYSIS AND DESIGN.
    283. SEC. 91.9407. HISTORICAL BUILDINGS.
    284. SEC. 91.9408. QUALITY CONTROL.
    285. SEC. 91.9409. INFORMATION REQUIRED ON PLANS.
    286. SEC. 91.9501. PURPOSE.
    287. SEC. 91.9502. SCOPE.
    288. SEC. 91.9503. DEFINITIONS.
    289. SEC. 91.9504. COMPLIANCE REQUIREMENTS.
    290. SEC. 91.9505. ADMINISTRATION.
    291. SEC. 91.9506. OCCUPANT AND TENANT ADVISORY.
    292. SEC. 91.9507. HISTORICAL BUILDINGS.
    293. SEC. 91.9508. ENGINEERING ANALYSIS.
    294. SEC. 91.9509. INFORMATION REQUIRED ON PLANS.
    295. SEC. 91.9510. VIOLATION / PENALTY.
    296. SEC. 91.9511. SEVERABILITY.
    297. SEC. 91.9601. PURPOSE.
    298. SEC. 91.9602. SCOPE.
    299. SEC. 91.9603. DEFINITIONS.
    300. SEC. 91.9604. ANALYSIS AND DESIGN.
    301. SEC. 91.9605. MATERIALS OF CONSTRUCTION.
    302. SEC. 91.9606. INFORMATION REQUIRED ON PLANS.
    303. SEC. 91.9701. TITLE.
    304. SEC. 91.9702. PURPOSE.
    305. SEC. 91.9703. SCOPE.
    306. SEC. 91.9704. DEFINITIONS.
    307. SEC. 91.9705. BENCHMARKING AND SELF-REPORTING OF ENERGY AND WA…
    308. SEC. 91.9706. ENERGY AND WATER AUDITS AND RETRO-COMMISSIONING.
    309. SEC. 91.9707. RECORD MAINTENANCE.
    310. SEC. 91.9708. SCHEDULE FOR COMPLIANCE.
    311. SEC. 91.9709. NONCOMPLIANCE FEE.
    312. SEC. 91.9710. SUBMITTAL FEES.
    313. SEC. 91.9711. BUILDING AND SAFETY DEVELOPMENT SURCHARGE.
    314. SEC. 91.9712. SEVERABILITY.
    315. Article 1.2
    316. Article 1.5
    317. Article 7
    318. Article 8
    319. Article 9
  3. Chapter XV
  4. Chapter XVI

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