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Chapter 40 — Zoning

Article 40.19 — INDUSTRIAL ADMINISTRATION AND RESEARCH (I-R) DISTRICT

Davis Zoning Code · 2026-06 edition · updated 2026-07-06 · Davis

§ 40.19.010. Purpose.

The purpose of an industrial administration and research (I-R) district is to provide an environment exclusively for and conducive to the development and protection of modern, large scale administrative facilities, research institutions and specialized manufacturing organizations, all of a non-nuisance type.

(Ord. 296 § 19.1)

§ 40.19.020. Permitted uses.

The principal permitted uses of land in an I-R district as follows unless modified by Section 40.19.040 :

  • (a) Administrative, executive and financial offices.

  • (b) Laboratories: experimental, film or testing.

  • (c) Manufacturing, assembly or packaging of products from previously prepared materials, such as cloth, plastic, paper, leather or semiprecious metals or stones, but not including such operations as saw and planing mills, any manufacturing uses involving primary production of wood, metal or chemical products from raw materials.

  • (d) Manufacture of electric and electronic instruments and devices, such as television, radio and phonograph equipment.

  • (e) Manufacture of food products, pharmaceuticals and the like, but not including production of fish or meat products, sauerkraut, vinegar or the like, or the rendering or refining of fats and oils.

  • (f) Planned unit developments, subject to the provisions of Sections 40.32.010 through 40.32.110 .

  • (g) Any other research or light manufacturing use determined by the planning commission to be of the same general character as the permitted uses.

  • (h) Agriculture, except the raising of fowls or animals for commercial purposes, or the sale of any products at retail on the premises.

  • (i) Sex-oriented entertainment businesses, subject to the requirements of Section 40.26.410 . (Ord. 296 § 19.2; Ord. 756 § 1; Ord. 1377 § 3; Ord. 1735 § 2)

§ 40.19.030. Accessory uses.

The following accessory use is permitted in I-R district: signs, subject to the provisions of Section 40.26.020 .

(Ord. 296 § 19.3)

§ 40.19.040. Conditional uses.

The following conditional uses may be permitted in an I-R district:

  • (a) Public and semipublic, including public utility uses necessary and appropriate to the I-R district.

  • (b) Retail commercial uses such as restaurants and auto service stations, necessary to serve and appropriate to the I-R district.

  • (c) Any use which handles, stores or treats in any fashion hazardous materials and is not a B occupancy use per the provisions of the California Building Code.

  • (d) Drive-through facilities, subject to the provisions of Section 40.26.420 .

(Ord. 296 § 19.4; Ord. 1377 § 4; Ord. 1739 § 8, 1994; Ord. 2113 § 1, 2003; Ord. 2677, 11/4/2025)

§ 40.19.050. Height regulations.

No structure shall exceed three stories or fifty feet in height, except as provided in Section 40.27.030 , and as greater heights may be permitted for planned unit developments, subject to the provisions of Sections 40.32.010 through 40.32.110 . (Ord. 296 § 19.5)

§ 40.19.060. Area and yard requirements.

The following minimum area and yard requirements shall be observed for the I-R zoning district classification as designated on the zoning map, except where increased for conditional uses or as provided in Sections 40.27.040 through 40.27.070 :

  • (a) Lot area. Twenty thousand square feet.

  • (b) Front yard. Twenty-five feet.

  • (c) Side yards. Twenty feet, except when abutting an R district or an A district designated for future residential development in the city master plan, then not less than fifty feet.

  • (d) Rear yard. Twenty-five feet, except when abutting an R district or an A district designated for future residential development in the city master plan, then not less than fifty feet.

  • (Ord. 296 § 19.6; Ord. 526 § 1)

§ 40.19.070. Special conditions.

  • (a) All uses permitted by this article, except for administrative, executive and financial offices, and permitted retail commercial uses, shall be subject to review in accordance with performance standards procedure in Sections 40.24.010 through 40.24.080 .

  • (b) All uses shall be conducted wholly within a completely enclosed building, except for auto service stations, off-street parking and loading facilities and public utility substations.

  • (c) Manufacturing and industrial processes shall use only gas or electricity as a fuel and for power; provided, that oil burning equipment may be installed for standby purposes only.

  • (d) In any I-R district directly across the street from any R district or A district designated for future residential use in the city master plan, the parking and loading facilities shall be distant at least twenty feet from the street, and the buildings and structures at least fifty feet from the street.

  • (e) Site plan and architectural approval by the director or designee shall be required for all uses.

(f) Landscaping and screening shall be in accordance with the provisions of Section 40.26.250 . (Ord. 296 § 19.7; Ord. 894 § 2; Ord. 1627 § 31; Ord. 2390 § 2, 2012; Ord. 2677, 11/4/2025)

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Contents — Davis Zoning Code
Davis Zoning Code
  1. Chapter 40 — Zoning
    Overview
    1. Article 40.01 — IN GENERAL
    2. Article 40.02 — AGRICULTURAL (A) DISTRICT
    3. Article 40.03 — RESIDENTIAL ONE-FAMILY (R-1) DISTRICT
    4. Article 40.04 — RESIDENTIAL ONE- AND TWO-FAMILY (R2) DISTRICTS
    5. Article 40 — 04A. RESIDENTIAL ONE- AND TWO-FAMILY CONSERVATION…
    6. Article 40.05 — (RESERVED)
    7. Article 40.06 — RESIDENTIAL RESTRICTED (R-R) DISTRICT
    8. Article 40.07 — RESIDENTIAL ONE- AND TWO-FAMILY AND MOBILE HOM…
    9. Article 40.08 — RESIDENTIAL GARDEN APARTMENT (R3) DISTRICT
    10. Article 40.09 — RESIDENTIAL HIGH DENSITY APARTMENT (R-HD) DIST…
    11. Article 40 — 09A. HIGH DENSITY RESIDENTIAL (HDR) OVERLAY DISTR…
    12. Article 40.10 — RESIDENTIAL TRANSITIONAL (R-T) DISTRICT
    13. Article 40.11 — (RESERVED)
    14. Article 40.12 — COMMERCIAL NEIGHBORHOOD (C-N) COMBINING DISTRICT
    15. Article 40.13 — DOWNTOWN DAVIS ZONES
    16. Article 40.14 — SUPPLEMENTAL TO DOWNTOWN ZONES
    17. Article 40.15 — MIXED USE (M-U) DISTRICT
    18. Article 40.16 — AUTO CENTER (A-C) DISTRICT
    19. Article 40.17 — COMMERCIAL SERVICE (C-S) DISTRICT
    20. Article 40.18 — COMMERCIAL MIXED USE (CMU) DISTRICT
    21. Article 40 — 18A. COMMUNITY RETAIL (C-R) ZONING DISTRICT
    22. Article 40.19 — INDUSTRIAL ADMINISTRATION AND RESEARCH (I-R) D…
    23. Article 40.20 — INDUSTRIAL (I) DISTRICT
    24. Article 40 — 20A. PUBLIC-SEMIPUBLIC (P-SP) DISTRICT
    25. Article 40.21 — INTERIM STUDY (S) DISTRICT
    26. Article 40.22 — PLANNED DEVELOPMENT (P-D) DISTRICT
    27. Article 40.23 — HISTORICAL RESOURCES MANAGEMENT
    28. Article 40.24 — PERFORMANCE STANDARDS
    29. Article 40.25 — PARKING AND LOADING AREAS, PUBLIC GARAGES AND …
    30. Article 40 — 25A. BICYCLE PARKING STANDARDS
    31. Article 40.26 — SPECIAL USES
    32. Article 40 — 26A. PERSONAL CULTIVATION OF CANNABIS
    33. Article 40 — 26B. COMMERCIAL CANNABIS BUSINESSES
    34. Article 40.27 — EXCEPTIONS AND MODIFICATIONS
    35. Article 40.28 — NONCONFORMING USES AND STRUCTURES
    36. Article 40.29 — WIRELESS COMMUNICATION FACILITIES
    37. Article 40.30 — CONDITIONAL USE PERMITS
    38. Article 40 — 30A. ADMINISTRATIVE USE PERMITS
    39. Article 40 — 30B. TEMPORARY USES
    40. Article 40.31 — SITE PLAN AND ARCHITECTURAL APPROVAL
    41. Article 40.32 — PLANNED UNIT DEVELOPMENT APPROVAL
    42. Article 40.33 — VARIANCES
    43. Article 40.34 — PREZONING
    44. Article 40.35 — APPEALS TO CITY COUNCIL
    45. Article 40.36 — AMENDMENTS
    46. Article 40.37 — ENFORCEMENT
    47. Article 40.38 — SOLAR SHADE CONTROL
    48. Article 40.39 — ADMINISTRATIVE APPROVALS
    49. Article 40.40 — ALCOHOL SALES
    50. Article 40.42 — WATER EFFICIENT LANDSCAPING

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