Zoning › California › Orange County › Lake Forest

Lake Forest, CA Zoning

Hybrid-pd-zoning. 18 districts · 0 overlays · 16 applicable state preemptions.

Overview

Code type
hybrid-pd
Naming convention
mixed

Euclidean base zoning is blended with 10 distinct Planned Communities (PCs) that cover a significant portion of the city. Base residential districts are R1, RS, R2, R4, and RP.

Districts

mu 5com 4res_sf 3res_mf 2ag 1spec 1ind 1off 1
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
RSResidential Suburbanres_sf7,000 sf[4]35 ft[5]0.6[6]———10[1] / 10[2] / 0[3]
R1Single-Family Residentialres_sf7,200 sf[10]35 ft[11]————20[7] / 5[8] / 25[9]
R2Medium Density Residentialres_mf7,200 sf[15]35 ft[16]————20[12] / 5[13] / 25[14]
R4High Density Residentialres_mf7,200 sf[20]35 ft[21]————20[17] / 5[18] / 25[19]
RPResidential Parkres_sf7,200 sf[25]35 ft[26]————20[22] / 5[23] / 25[24]
MU 32Mixed-Use 32mu—65 ft[30]—1[31]32[32]—10[27] / 10[28] / 10[29]
MU 43Mixed-Use 43mu—65 ft[36]—1.2[37]43[38]—10[33] / 10[34] / 10[35]
MUOMixed-Use Overlaymu—65 ft[42]—1.5[43]——10[39] / 10[40] / 10[41]
UI 25Urban Infill 25mu—65 ft[47]—1[48]25[49]—10[44] / 10[45] / 10[46]
UI 43Urban Infill 43mu—65 ft[53]—1.2[54]43[55]—10[50] / 10[51] / 10[52]
A1Agriculturalag174,240 sf[59]35 ft[60]————20[56] / 5[57] / 25[58]
OSOpen Spacespec43,560 sf[61]18 ft[62]0.1[63]———— / — / —
C1Light Commercialcom—35 ft[67]————0[64] / 0[65] / 0[66]
C2General Commercialcom—35 ft[71]————0[68] / 0[69] / 0[70]
CCCanyon Commercialcom—65 ft[75]————5[72] / 5[73] / 5[74]
CNNeighborhood Commercialcom—35 ft[79]0.35[80]———20[76] / 20[77] / 20[78]
M1Light Industrialind10,000 sf[84]35 ft[85]————20[81] / 20[82] / 20[83]
PAProfessional and Administrative Officeoff10,000 sf[89]35 ft[90]0.35[91]———10[86] / 10[87] / 10[88]

Confidence: confirmed partial under review not found

State preemptions

ca-density-bonus-lawapplies
Qualifying condition
Statewide application. Applies to any housing project in Lake Forest that meets the required affordability percentage thresholds under Government Code §65915.
ca-sb9-home-actapplies
Qualifying condition
Lake Forest is a CA general-law city with base single-family R1 and RS residential districts. Implements SB 9 duplexes and housing opportunity developments in Municipal Code Chapter 9.52.
ca-ab2097-parking-transitapplies
Qualifying condition
Applies conditionally on a per-parcel basis to commercial, residential, or mixed-use development parcels situated within one-half mile of a qualifying major transit stop.
ca-sb423-streamlinedapplies
Qualifying condition
Statewide streamlining. Lake Forest has an adopted 6th Cycle Housing Element certified compliant as of 2023-02-24, and is in HCD's 50% streamlined ministerial approval tier.
ca-ab2011-affordable-housing-high-roadapplies
Qualifying condition
Applies to qualifying commercial zones situated along transport/transit corridors. Lake Forest commercial districts include CN, C1, C2, and mixed-use districts.
ca-adu-jaduapplies
Qualifying condition
Statewide application. Applies to all residential and mixed-use zoning districts in Lake Forest.
ca-sb79-transit-orientedapplies
Qualifying condition
Applies conditionally on a per-parcel basis near transit hubs and rail stations, subject to proximity limits and criteria.
ca-sb4-yigby-faith-iheapplies
Qualifying condition
Applies statewide to qualifying institutions on housing development assets, allowing religious and higher education institution land overrides.
ca-sb684-sb1123-small-lot-subdivisionapplies
Qualifying condition
Applies statewide. Restructures lot split / subdivision procedures for projects of 10 units or less in multifamily, mixed-use, and vacant single-family sites.
ca-ab130-ceqa-statutory-infill-exemptionapplies
Qualifying condition
Applies to urban infill projects under 20 acres that meet zoning and objective standards.
ca-sb131-ceqa-near-missapplies
Qualifying condition
Statewide CEQA streamlining. Limits environmental review to single failing conditions on near-miss exemptions.
ca-ab1287-density-bonus-stackingapplies
Qualifying condition
Applies to projects that qualify for and maximize base State Density Bonus Law provisions.
ca-ab2243-ab2011-mall-acreageapplies
Qualifying condition
Statewide Commercial Corridor expansion. Expands regional mall exemptions under AB 2011 up to 100 acres.
ca-ab893-ab2011-campus-extensionapplies
Qualifying condition
Statewide. Extends the commercial corridor provisions of AB 2011 to campus and nonprofit institutional developer programs.
ca-ab1061-sb9-cleanupapplies
Qualifying condition
Statewide. Re-enables SB 9 on sites containing non-contributing historic structures.
ca-ab1633-ceqa-haa-linkapplies
Qualifying condition
Statewide. Links CEQA review timing to HAA's failure to act / disapproval definitions.
Non-applicable laws (3)
ca-builders-remedydoes_not_apply
Qualifying condition
Lake Forest has a certified compliant 6th Cycle Housing Element (certified 2023-02-24, compliance status 'In'). Builder's Remedy is not applicable.
ca-sb10-local-upzoningdoes_not_apply
Qualifying condition
Optional local upzoning authority. Lake Forest has not adopted a local upzoning ordinance under SB 10.
ca-ab1893-builders-remedy-cleanupdoes_not_apply
Qualifying condition
Clean-up legislation for Builder's Remedy; not active as Lake Forest has a compliant Housing Element.

Adopted building codes

Statewide mandatory minimum

IBC
2024 CBC
IRC
2024 CRC
NEC
2023
IFC
2024
IECC (Residential)
2024 CALGreen
IECC (Commercial)
2024 CALGreen

Click a code label to open its state-by-state adoption atlas.

Amendment history

DateKindCitation
2026-05-31retrieved at
2025-02-04supplement effectiveOrdinance No. 374

Formulas

Definitions

height
Vertical distance above finished grade to top of the structure, or slope-adjusted per §9.144.050.1.
setback
Distance from ultimate street right-of-way line or property line to nearest building face per §9.144.030.1.
lot_coverage
Maximum percentage of building site area covered by principal and accessory buildings (§9.48.080.C for RS).
density
Net land area per dwelling unit (§9.144.020 / §9.56.080.C for R2, §9.64.080.C for R4).
far
Floor area ratio (§9.73.020 for Mixed Use).

Massing explorer

Interactive 3D comparison across every district. Drag to orbit, scroll to zoom, use the slider to walk districts, and toggle applicable overlays in the right-side panel.

—
—
Sort by —
LOW
HIGH
drag to orbit · scroll to zoom
Max height
— ft
——
Floor area ratio
—
——
Lot coverage
—%
——
Setbacks (F / S / R)
— ft
——
Parking
— /unit
——
Max density
— du/ac
——
Min lot size
— sf
——
◄
prev
►
next
Copy zoning profile
Loading…
District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Sources & references

Citations
  1. [1] §9.144.030
  2. [2] §9.144.030
  3. [3] §9.144.030
  4. [4] §9.48.080
  5. [5] §9.48.080
  6. [6] §9.48.080
  7. [7] §9.144.030
  8. [8] §9.144.030
  9. [9] §9.144.030
  10. [10] §9.44.080
  11. [11] §9.44.080
  12. [12] §9.144.030
  13. [13] §9.144.030
  14. [14] §9.144.030
  15. [15] §9.56.080
  16. [16] §9.56.080
  17. [17] §9.144.030
  18. [18] §9.144.030
  19. [19] §9.144.030
  20. [20] §9.64.080
  21. [21] §9.64.080
  22. [22] §9.144.030
  23. [23] §9.144.030
  24. [24] §9.144.030
  25. [25] §9.68.080
  26. [26] §9.68.080
  27. [27] §9.73.061
  28. [28] §9.73.061
  29. [29] §9.73.061
  30. [30] §9.73.020
  31. [31] §9.73.020
  32. [32] §9.73.020
  33. [33] §9.73.061
  34. [34] §9.73.061
  35. [35] §9.73.061
  36. [36] §9.73.030
  37. [37] §9.73.030
  38. [38] §9.73.030
  39. [39] §9.73.061
  40. [40] §9.73.061
  41. [41] §9.73.061
  42. [42] §9.73.040
  43. [43] §9.73.040
  44. [44] §9.73.061
  45. [45] §9.73.061
  46. [46] §9.73.061
  47. [47] §9.73.050
  48. [48] §9.73.050
  49. [49] §9.73.050
  50. [50] §9.73.061
  51. [51] §9.73.061
  52. [52] §9.73.061
  53. [53] §9.73.060
  54. [54] §9.73.060
  55. [55] §9.73.060
  56. [56] §9.72.010
  57. [57] §9.72.010
  58. [58] §9.72.010
  59. [59] §9.72.010
  60. [60] §9.72.010
  61. [61] §9.72.020
  62. [62] §9.72.020
  63. [63] §9.72.020
  64. [64] §9.72.025
  65. [65] §9.72.025
  66. [66] §9.72.025
  67. [67] §9.72.025
  68. [68] §9.72.030
  69. [69] §9.72.030
  70. [70] §9.72.030
  71. [71] §9.72.030
  72. [72] §9.72.040
  73. [73] §9.72.040
  74. [74] §9.72.040
  75. [75] §9.72.040
  76. [76] §9.72.050
  77. [77] §9.72.050
  78. [78] §9.72.050
  79. [79] §9.72.050
  80. [80] §9.72.050
  81. [81] §9.72.070
  82. [82] §9.72.070
  83. [83] §9.72.070
  84. [84] §9.72.070
  85. [85] §9.72.070
  86. [86] §9.72.080
  87. [87] §9.72.080
  88. [88] §9.72.080
  89. [89] §9.72.080
  90. [90] §9.72.080
  91. [91] §9.72.080

Research status

Publication gates

primary url presentpassed
no aggregator citedpassed
confidence tags full formpassed
overlays have parameters trigger confidencepassed
preempt section city specificpassed
research profile consistentpassed

Other cities in this state

Nearest-alphabetical profiles. Click through to compare zoning patterns side-by-side.

AlamedaChinoFairfieldLaguna HillsMorgan HillPetalumaSan DimasStockton