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SUBJECT: Housing Element Site Inventory Guidebook Government Code Section 65583.2

Housing Element Sites Inventory Guidebook (AB 1397) · 2026 edition · updated 2026-07-29 · California

The housing element of the general plan must include an inventory of land suitable and available for residential development to meet the locality’s regional housing need by income level. The purpose of this Guidebook is to assist jurisdictions and interested parties with the development of the site inventory analysis for the 6[th] Housing Element Planning Cycle and identify changes to the law as a result of Chapter 375, Statutes of 2017 (AB 1397), Chapter 958, Statutes of 2018 (AB 686), Chapter 664, Statutes of 2019 (AB 1486), and Chapter 667, Statutes of 2019 (SB 6). The Guidebook should be used in conjunction with the site inventory form developed by the California Department of Housing and Community Development (HCD). These laws introduced changes to the following components of the site inventory:

  • Design and development of the site inventory (SB 6, 2019)

  • Requirements in the site inventory table (AB 1397, 2017 AB 1486, 2019)

  • Capacity calculation (AB 1397, 2017)

  • Infrastructure requirements (AB 1397, 2017)

  • Suitability of nonvacant sites (AB 1397, 2017)

  • Size of site requirements (AB 1397, 2017)

  • Locational requirements of identified sites (AB 686, 2018)

  • Sites identified in previous housing elements (AB 1397, 2017)

  • Nonvacant site replacement unit requirements (AB 1397, 2017)

  • Rezone program requirements (AB 1397, 2017)

The workbook is divided into five components: (Part A) identification of sites; (Part B) sites to accommodate the lower income RHNA; (Part C) capacity analysis; (Part D) non-vacant sites; and (Part E) determination of adequate sites.

If you have any questions, or would like additional information or technical assistance, please contact the Division of Housing Policy Development at (916) 263-2911.

Table of Contents BACKGROUND AND PURPOSE ........................................................................................ 3 Housing Element Site Inventory Requirements ................................................................ 3 SITE INVENTORY GUIDEBOOK FRAMEWORK ................................................................ 4 Guidebook Structure ......................................................................................................... 4 PART A: IDENTIFICATION OF SITES ................................................................................. 5 Step 1: Identification of Developable Sites ....................................................................... 5 Step 2: Inventory of Sites .................................................................................................. 7 Step 3: Infrastructure Availability ...................................................................................... 7 Step 4: Map of Sites ......................................................................................................... 8 Step 5: Determination of Consistency with Affirmatively Furthering Fair Housing ............ 8 Step 6: Sites by RHNA Income Category ......................................................................... 9 Step 7: Environmental Constraints ................................................................................. 10 PART B: SITES TO ACCOMMODATE LOW AND VERY LOW- INCOME RHNA ............. 11 Step 1: Sites Used in Previous Planning Periods Housing Elements ............................. 11 Step 2: Zoning Appropriate to Accommodate Low- and Very Low- Income RHNA ........ 13 Step 3: Size of Sites ....................................................................................................... 15 PART C: CAPACITY ANALYSIS ........................................................................................ 19 Step1: Utilizing minimum densities to calculate realistic capacity of sites ....................... 19 Step 2: Utilizing factors to calculate realistic capacity of sites ........................................ 19 PART D: NONVACANT SITES .......................................................................................... 24 Step 1: Description of the nonvacant site ....................................................................... 25 Step 2: Nonvacant site analysis methodology ................................................................ 25 Step 3: Reliance on nonvacant sites to accommodate more than 50 percent of the RHNA for lower income households .......................................................................................... 26 Step 4: Program and policy requiring replacement of existing affordable units .............. 28 PART E: DETERMINATION OF ADEQUATE SITES ......................................................... 30 Step 1: Consider any alternative means of meeting the RHNA ...................................... 30 Step 2: Determine whether there is sufficient capacity to accommodate the RHNA for the jurisdiction by income. .................................................................................................... 32 Step 3: Adequate Sites Program .................................................................................... 33 ATTACHMENT 1: SUMMARY OF NEW LAWS REFERENCED IN THE GUIDEBOOK .... 39 ATTACHMENT 2: GOVERNMENT CODE SECTION 65583.2 .......................................... 40

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Contents — Housing Element Sites Inventory Guidebook (AB 1397)
Housing Element Sites Inventory Guidebook (AB 1397)
  1. SUBJECT: Housing Element Site Inventory Guidebook Government C…
  2. Housing Element Site Inventory Requirements
  3. SITE INVENTORY GUIDEBOOK FRAMEWORK
  4. PART A: IDENTIFICATION OF SITES
  5. PART B: SITES TO ACCOMMODATE LOW AND VERY LOW- INCOME RHNA
  6. PART C: CAPACITY ANALYSIS
  7. PART D: NONVACANT SITES
  8. PART E: DETERMINATION OF ADEQUATE SITES
  9. Step 1: Identification of Developable Sites Government Code se…
  10. Government Code section 65583.2(b)
  11. Step 3: Infrastructure Availability Government Code section 65…
  12. Step 4: Map of Sites
  13. Step 5: Determination of Consistency with Affirmatively Furthe…
  14. Government Code section 65583.2(c)
  15. HCD Best Practices for selecting sites to accommodate the lowe…
  16. Step 7: Environmental Constraints
  17. NEXT STEP:
  18. Step 1: NEW Sites Used in Previous Planning Periods Housing El…
  19. Unusual Circumstances
  20. Step 1B:
  21. Definition of Use By Right (Government Code section 65583.2 (i))
  22. Sample Program:
  23. Government Code section 65583.2(c)(3)
  24. Housing Overlays
  25. Step 3: Size of Sites
  26. Definition of a Large Site
  27. Specific Plans, Master Plan, and other Subdivisions
  28. NEXT STEP:
  29. Step1: Utilizing minimum densities to calculate realistic capa…
  30. Government Code section 65583.2(c)(2)
  31. - Applicable land use controls and site improvement requirements
  32. Form Based Codes
  33. Typical densities of existing or approved residential developm…
  34. No Net Loss Law
  35. NEXT STEP:
  36. Definition of a Vacant Site
  37. Step 1: Description of the nonvacant site Government Code Sect…
  38. Government Code section 65583.2(g)(1)
  39. Existing Uses:
  40. Development Trends:
  41. Market Conditions:
  42. Availability of Regulatory and/or other Incentives:
  43. Step 3: NEW Reliance on nonvacant sites to accommodate more th…
  44. Step 4: NEW Program and policy requiring replacement of existi…
  45. Program X: Replacement Unit Program
  46. Funding: General Funds
  47. NEXT STEP:
  48. Government Code section 65583.1
  49. Impact of New Accessory Dwelling Unit Laws
  50. Step 2: Determine whether there is sufficient capacity to acco…
  51. Step 3: Adequate Sites Program
  52. General Program Requirements
  53. Timing
  54. Consequences for Failing to Complete Rezoning Deadline:
  55. Housing Accountability Act and the Housing Element
  56. Annexation
  57. Common Program Questions and Answers for Shortfall Zoning:
  58. ATTACHMENT 1: SUMMARY OF NEW LAWS REFERENCED IN THE GUIDEBOOK
  59. ATTACHMENT 2: GOVERNMENT CODE SECTION 65583.2

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