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Title 19

Chapter 19.30 — LOT AREA AND LOT WIDTH

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

§ 19.30.010. Conformance required.

The minimum lot area and lot width of each lot in every zoning district shall conform with the areas and distances specified in the table of required lot area and lot width, unless increased, decreased or modified by special provisions. The minimum floor elevation of every building in any zoning district shall conform with the special provisions set forth herein. Lot areas are expressed in terms of square feet and lot widths in terms of lineal feet unless otherwise specified. (Prior zoning code § 19.36.010; Ord. 2623-99 § 1)

§ 19.30.020. Required lot area and width.

Lot area and width shall be according to the provisions set forth in Table 19.30.020, except that all lots located within the DSP district shall conform to provisions set forth in Chapter 19.28.

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Table 19.30.020
Required Net Lot Area and Width
Lot Width at Lot Width at Lot Width at
Minimum Minimum Minimum
Lot Area Lot Area Per Front Yard Front Yard Front Yard
Minimum Dwelling Unit Setback Corner Setback Setback Cul-
Zoning District (Square feet) (Square Feet) (Feet) Interior (Feet) de-sac1 (Feet)
R-0 6,000 6,000 62 57 45
R-1 8,000 8,000 82 76 45
R-1.5 4,200 4,200 45 42 40
R-1.7/PD 2 acres2 2,6002 3 3 3
R-27 8,000 3,600 82 76 60
R-37, 8 8,000 1,800 82 120 60
R-47, 8 8,000 1,200 82 120 60
R-58 8,000 950 82 76 60
R-MH 9 Acres 1,5004 None None None
R-MH 9 Acres 1,8005 None None None
O6 8,000 None 82 76 60
P-F None None None None None
C-1 None None None None None
C-2 None None None None None
C-3 None None None None None
C-4 None None None None None
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City of Sunnyvale, CA

SUNNYVALE CODE

§ 19.30.020

§ 19.30.040

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Table 19.30.020
Required Net Lot Area and Width
Lot Width at Lot Width at Lot Width at
Minimum Minimum Minimum
Lot Area Lot Area Per Front Yard Front Yard Front Yard
Minimum Dwelling Unit Setback Corner Setback Setback Cul-
Zoning District (Square feet) (Square Feet) (Feet) Interior (Feet) de-sac1 (Feet)
M-S 22,500 None 100 100 80
M-3 22,500 None 100 100 80
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Notes:

  • 1 Also applicable to lots on the exterior side of a street with a centerline radius of four hundred feet or less.

  • 2 Maximum lot area shall not exceed four thousand square feet.

  • 3 As determined by planned development requirements. A minimum site area of 2.0 acres also required.

  • 4 1,500 square feet nonexpandable mobile home.

  • 5 1,800 square feet expandable mobile home.

  • 6 Must be contiguous with similarly zoned land of at least 40,000 square feet (net).

  • 7 Lot area and lot width less than the minimum required may be allowed through approval of a use permit or special development permit provided that overall density is consistent with the zoning district.

  • 8 Number of dwelling units allowed for R-3, R-4 and R-5 is pursuant to Table 19.30.040.

(Prior zoning code § 19.36.020; Ord. 2623-99 § 1; Ord. 2683-01 § 3; Ord. 2810-06 § 4; Ord. 2905-09 § 7)

§ 19.30.030. Average lot area—Reduction.

The minimum lot area in all residential zoning districts, except R-0, R-1.5 and R-1.7 zoning districts, may be reduced to seven thousand six hundred square feet providing the average lot area in each subdivision, subdivision unit or single development equals eight thousand eight hundred square feet. The area of any lot in excess of eight thousand four hun-dred square feet shall be disregarded in computing the average lot area within such subdivision, subdivision unit or single development.

(Prior zoning code § 19.36.030; Ord. 2623-99 § 1)

§ 19.30.040. Dwelling units allowed in multiple-family zoning districts.

Table 19.30.040 (Number of Dwelling Units Allowed R-3, R-4 and R-5 Zoning Districts) shows the number of dwell-ing units allowed per minimum lot area in multiple-family zoning districts. Additional dwelling units may be allowed under Section 19.18.025 (Density bonus).

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City of Sunnyvale, CA § 19.30.040

ZONING

§ 19.30.040

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Table 19.30.040
Number of Dwelling Units Allowed: R-3, R-4 and R-5 Zoning Districts
Minimum Net Lot Area (square feet)
Zoning District:
Number of
Units Allowed R-3 R-4 R-5
1 6500 or less (legally 6500 or less (legally 6500 or less (legally
created) created) created)
2 6500 6500 6500
3 7200 7200 7200
4 8000 8000 8000
5 1 unit for each 1800 sq. 9000 9000
ft.
6 1 unit for each 1800 sq. 10000 10000
ft.
7 1 unit for each 1800 sq. 11000 11000
ft.
8 1 unit for each 1800 sq. 12000 12000
ft.
9 1 unit for each 1800 sq. 13000 13000
ft.
10 1 unit for each 1800 sq. 14000 14000
ft.
11 1 unit for each 1800 sq. 15000 15000
ft.
12 1 unit for each 1800 sq. 16000 16000
ft.
13 1 unit for each 1800 sq. 17000 17000
ft.
14 1 unit for each 1800 sq. 18000 18000
ft.
15 1 unit for each 1800 sq. 19000 19000
ft.
16 1 unit for each 1800 sq. 20000 20000
ft.
17 1 unit for each 1800 sq. 21000 21000
ft.
18 1 unit for each 1800 sq. 22000 22000
ft.
19 1 unit for each 1800 sq. 23000 23000
ft.
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City of Sunnyvale, CA

SUNNYVALE CODE

§ 19.30.040

§ 19.30.060

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Table 19.30.040
Number of Dwelling Units Allowed: R-3, R-4 and R-5 Zoning Districts
Minimum Net Lot Area (square feet)
Zoning District:
Number of
Units Allowed R-3 R-4 R-5
20 1 unit for each 1800 sq. 24000 24000
ft.
21 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
22 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
23 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
24 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
25 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
26 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
27 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
28 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
29 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
30 1 unit for each 1800 sq. 1 unit for each 1200 sq. 1 unit for each 950 sq.
ft. ft. ft.
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(Prior zoning code § 19.36.035; Ord. 2976-12 § 1; Ord. 2623-99 § 1)

§ 19.30.050. Multiple buildings on lot—When permitted.

Any lot or parcel of land in one ownership having an area sufficient for more than one commercial, industrial, or mul-tiple family dwelling or building may be so used and building permits may be issued for multiple buildings in every zoning district, except single family zoning districts where only accessory structures are allowed.

(Prior zoning code § 19.36.050; Ord. 2623-99 § 1)

§ 19.30.060. Minimum floor elevations.

The minimum floor elevation for any building in any zoning district, computed on city datum, shall be four and one-half feet. Provided, however, that when the floor elevation of any building is less than nine feet, all waste from sanitary facilities installed at an elevation of less than nine feet shall flow by gravity to an approved sump and then be pumped to a minimum elevation of

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City of Sunnyvale, CA § 19.30.060 ZONING

§ 19.30.060

nine feet for discharge by gravity to the sanitary system. (Prior zoning code § 19.36.070; Ord. 2623-99 § 1)

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City of Sunnyvale, CA

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Contents — Sunnyvale Zoning Code
Sunnyvale Zoning Code
  1. Title 19
    Overview
    1. Article 2 — DEFINITIONS
    2. Chapter 19.39 — GREEN BUILDING REGULATIONS
    3. Chapter 19.56 — ALTERNATIVE ENERGY SYSTEMS
    4. Chapter 19.58 — FAMILY DAYCARE HOMES
    5. Chapter 19.88 — USE PERMITS
    6. Chapter 19.02 — ADOPTION AND PURPOSE
    7. Chapter 19.04 — GENERAL PLAN
    8. Chapter 19.06 — OFFICIAL PLAN LINES
    9. Chapter 19.12 — DEFINITIONS
    10. Chapter 19.16
    11. Chapter 19.18 — RESIDENTIAL ZONING DISTRICTS
    12. Chapter 19.20 — COMMERCIAL ZONING DISTRICTS
    13. Chapter 19.22 — INDUSTRIAL ZONING DISTRICTS
    14. Chapter 19.24 — OFFICE AND PUBLIC FACILITIES ZONING DISTRICTS
    15. Chapter 19.26 — COMBINING DISTRICTS
    16. Chapter 19.27 — SITE AND PROJECT-BASED SPECIFIC PLAN DISTRICTS
    17. Chapter 19.28 — DOWNTOWN SPECIFIC PLAN DISTRICT
    18. Chapter 19.29 — MOFFETT PARK SPECIFIC PLAN DISTRICT
    19. Chapter 19.30 — LOT AREA AND LOT WIDTH
    20. Chapter 19.32 — BUILDING HEIGHTS, LOT COVERAGES AND FLOOR AREA…
    21. Chapter 19.34 — FRONT, SIDE AND REAR YARDS
    22. Chapter 19.35 — LAWRENCE STATION AREA PLAN DISTRICT
    23. Chapter 19.36 — EL CAMINO REAL SPECIFIC PLAN DISTRICT
    24. Chapter 19.37
    25. Chapter 19.38 — REQUIRED FACILITIES
    26. Chapter 19.39 — GREEN BUILDING REGULATIONS
    27. Chapter 19.40 — ACCESSORY STRUCTURES
    28. Chapter 19.42 — OPERATING STANDARDS
    29. Chapter 19.44 — SIGN CODE
    30. Chapter 19.45 — TRANSPORTATION DEMAND MANAGEMENT
    31. Chapter 19.46 — PARKING
    32. Chapter 19.47 — OFF-SITE STADIUM EVENT PARKING
    33. Chapter 19.48 — FENCES, DISTANCES BETWEEN BUILDINGS AND EXTENS…
    34. Chapter 19.50 — NONCONFORMING BUILDINGS AND USES
    35. Chapter 19.52 — ART IN PRIVATE DEVELOPMENT
    36. Chapter 19.54 — WIRELESS TELECOMMUNICATION FACILITIES
    37. Chapter 19.56 — ALTERNATIVE ENERGY SYSTEMS
    38. Chapter 19.58 — FAMILY DAYCARE HOMES
    39. Chapter 19.60 — ADULT BUSINESSES AND MASSAGE ESTABLISHMENTS
    40. Chapter 19.61 — TEMPORARY UNENCLOSED USES
    41. Chapter 19.64
    42. Chapter 19.65 — REASONABLE ACCOMMODATION PROCEDURES
    43. Chapter 19.66 — SAFE PARKING SITE
    44. Chapter 19.67 — INCLUSIONARY BELOW MARKET RATE OWNERSHIP HOUSI…
    45. Chapter 19.68 — MOBILE, ACCESSORY, AND SINGLE ROOM OCCUPANCY L…
    46. Chapter 19.69 — EXISTING BELOW MARKET RATE RENTAL HOUSING
    47. Chapter 19.70 — CONVERSION OF RENTAL HOUSING TO COMMUNITY HOUS…
    48. Chapter 19.71 — RESIDENTIAL TENANT PROTECTIONS PROGRAMS
    49. Chapter 19.72 — MOBILE HOME PARK CONVERSIONS
    50. Chapter 19.73 — BY-RIGHT APPROVAL
    51. Chapter 19.74 — PARK DEDICATION FEES FOR RENTAL HOUSING PROJECTS
    52. Chapter 19.75 — HOUSING IMPACT FEES
    53. Chapter 19.76 — SHORT-TERM RENTAL OF RESIDENTIAL PROPERTY
    54. Chapter 19.77 — INCLUSIONARY BELOW MARKET RATE RENTAL HOUSING
    55. Chapter 19.78 — DUAL URBAN OPPORTUNITY HOUSING
    56. Chapter 19.79 — ACCESSORY DWELLING UNITS
    57. Chapter 19.80 — DESIGN REVIEW
    58. Chapter 19.81 — STREAMSIDE DEVELOPMENT REVIEW
    59. Chapter 19.82 — MISCELLANEOUS PLAN PERMIT
    60. Chapter 19.84 — VARIANCES
    61. Chapter 19.88 — USE PERMITS
    62. Chapter 19.90 — SPECIAL DEVELOPMENT PERMITS
    63. Chapter 19.92 — GENERAL PLAN AND ZONING AMENDMENTS
    64. Chapter 19.94 — TREE PRESERVATION
    65. Chapter 19.96 — HERITAGE PRESERVATION
    66. Chapter 19.98 — GENERAL PROCEDURES

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