Zoning › Texas › Collin County › Plano

Plano, TX Zoning

Euclidean-zoning. 31 districts · 15 overlays · 2 applicable state preemptions.

Overview

Code type
euclidean
Naming convention
—
Naming convention by category
res_sflot-size-encoded
res_mfuse-type-index
commercialletter-code

Standard Euclidean. SF districts use lot-size-encoded convention (SF-20 = 20,000 sf, SF-9 = 9,000 sf, SF-7 = 7,000 sf, SF-6 = 6,000 sf). MF districts use sequential index (MF-1/2/3) with identical base dimensional standards (§9.1300–9.1500). Commercial/office districts use letter codes (O-1, O-2, R, LC, CC, UMU, BG, CB-1, CE, RC, RE, RT, LI-1, LI-2, NBD). PDs exist as site-specific rezonings governing discrete sites; PDs are NOT the dominant new-development path city-wide, so classification stays euclidean rather than hybrid-pd.

Worth knowing
  • ECA (Expressway Corridor Overlay District) unique in Texas — Plano's environmental-health-motivated corridor overlay adopted Jan 20, 2025 via ZOA 2024-025 and expanded Sept 1, 2025 via ZOA 2025-007 to cover all land uses. Two subtypes: C-ECA (Conditional — MERV-13 filtration, intake orientation, 45 dBA interior noise, landscape edge) and R-ECA (Restricted — listed residential/institutional uses prohibited). §11.1100.
  • Stormwater Incentive Options reduce SF-9/SF-7/SF-6/PH/SF-A/2F minimum lot size 3–22% if subdivision provides stormwater quality area ≥5% or ≥10% of gross platted area (§9.500.3, §9.600.3, §9.700.3, §9.900.3, §9.1000.3, §9.1100.3; ZOA 2017-026).
  • ZOA 2025-007 (Ord. 2025-8-13) retrofitted all nonresidential districts (O-1, O-2, R, LC, CC, CB-1, CE, RC, RE, RT, LI-1, LI-2) with 'Multifamily and Mixed-use Residential Requirement' columns in dimensional tables — complies with TX SB 840 ministerial MF pathway. Typical standards: 1 space/DU, 25-ft setbacks, minimums 45 ft (O-1/R/LC/CC/NBD), 75 ft (O-2/CB-1/RC/RE/LI-1/LI-2), 120 ft (CE/RT).

+ 10 more in Quirks & notes

Districts

spec 11res_sf 10res_mf 5mu 4res_th 1
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
AAgriculturalres_sf85,000 sf[1]45 ft[2]20[3]——2[4]— / — / —
EDEstate Developmentres_sf43,560 sf[5]40 ft[6]20[7]——2[8]— / — / —
SF-20Single-Family Residence-20res_sf20,000 sf[9]40 ft[10]25[11]——2[12]— / — / —
SF-9Single-Family Residence-9res_sf9,000 sf[13]35 ft[14]45[15]——2[16]— / — / —
SF-7Single-Family Residence-7res_sf7,000 sf[17]35 ft[18]45[19]——2[20]— / — / —
SF-6Single-Family Residence-6res_sf6,000 sf[21]35 ft[22]45[23]——2[24]— / — / —
URUrban Residentialres_mf5,000 sf[25]35 ft[26]60[27]——2[28]— / — / —
PHPatio Homeres_sf4,000 sf[29]35 ft[30]60[31]——2.5[32]— / — / —
SF-ASingle-Family Residence Attachedres_th2,250 sf[33]35 ft[34]65[35]—10[36]2.25[37]— / — / —
2FTwo-Family Residence (Duplex)res_sf8,000 sf[38]35 ft[39]45[40]——2[41]— / — / —
GRGeneral Residential (Douglass Community infill)res_sf3,000 sf[42]30 ft[43]50[44]——1[45]— / — / —
MF-1Multifamily Residence-1res_mf8,400 sf[46]45 ft[47]—[48]——1[49]— / — / —
MF-2Multifamily Residence-2res_mf8,400 sf[50]45 ft[51]—[52]——1[53]— / — / —
MF-3Multifamily Residence-3res_mf8,400 sf[54]45 ft[55]—[56]——1[57]— / — / —
MHMobile Homeres_sf4,500 sf[58]15 ft[59]—[60]——2[61]— / — / —
RCDResidential Community Designres_mf—50 ft[62]80[63]—[10, 20][64]2[65]— / — / —
O-1Neighborhood Officespec—[66]35 ft[67]30[68]0.6[69]—3.33[70]— / — / —
O-2General Officespec—[71]—[72]50[73]1[74]—3.33[75]— / — / —
RRetailspec—[76]35 ft[77]30[78]0.6[79]—5[80]— / — / —
LCLight Commercialspec—[81]35 ft[82]40[83]0.8[84]—5[85]— / — / —
CCCorridor Commercialspec—[86]325 ft[87]50[88]1[89]—3.33[90]— / — / —
UMUUrban Mixed-Usemu—[91]—[92]—[93]——1[94]— / — / —
BGDowntown Business/Governmentmu—[95]—[96]—[97]4[98]—1[99]— / — / —
CB-1Central Business-1mu8,400 sf[100]—[101]—[102]——1[103]— / — / —
CECommercial Employmentspec—[104]—[105]50[106]——3.33[107]— / — / —
RCRegional Commercialspec—[108]325 ft[109]50[110]1[111]—3.33[112]— / — / —
RERegional Employmentspec—[113]325 ft[114]50[115]1[116]—3.33[117]— / — / —
RTResearch/Technology Centerspec—[118]325 ft[119]45[120]1[121]—3.33[122]— / — / —
LI-1Light Industrial-1spec—[123]—[124]50[125]1[126]—1[127]— / — / —
LI-2Light Industrial-2spec—[128]—[129]50[130]2[131]—1[132]— / — / —
NBDNeighborhood Business Designmu—[133]50 ft[134]75[135]——1[136]— / — / —

Confidence: confirmed partial under review not found

Overlays

PRESTON_RD
Preston Road Overlay District
SPEC
§11.200 (Ord. 98-9-12)

Properties within 300 ft of Preston Road centerline, and within 300 ft of centerlines of intersecting Type C+ major thoroughfares (except SH-190, SH-121). District extends along those thoroughfares to centerlines of Ohio Drive, Ventura Drive, Bay Water Drive, Silver Creek Drive. Otherwise 1,000 ft E/W of Preston along intersecting Type C+ thoroughfares.

DNT
Dallas North Tollway Overlay District
SPEC
§11.300 (Ord. 96-4-27, amended ZC99-28/ZC2023-002)

Properties between Communications Parkway, N/S segments of Plano Parkway, Chapel Hill Drive (west), Parkwood Boulevard (east); SH-121 northern boundary; Santa Fe Railroad ROW southern boundary.

SH190
190 Tollway/Plano Parkway Overlay District
SPEC
§11.400 (Ord. 98-9-9)

Properties between southern city limits and nearest residential/agricultural district boundary north of Plano Parkway (or 500 ft north of Plano Pkwy, whichever less). Eastern: centerline of Shiloh Road. Western: Preston Road. Excludes areas within 50 ft of US-75 ROW.

SH121
State Highway 121 Overlay District
SPEC
§11.500 (Ord. 98-9-13)

Properties extending from centerline of SH-121 to 1,200 ft south of centerline, spanning Custer Road to Dallas North Tollway.

PARKWAY
Parkway Overlay District
SPEC
§11.600 (Ord. 98-11-43)

Properties in proximity to major city parks, nature preserves, and open areas; boundaries established by specific overlay designations on zoning map.

HERITAGE_H_HD
Heritage Resource Overlay Districts (H / HD)
SPEC
§11.700 (Ord. 2018-6-11)

Areas, places, buildings, structures, works of art with significant historical/archaeological/cultural values designated with 'H' (individual landmark) or 'HD' (heritage district) on zoning map.

REDEV
Redevelopment District
SPEC
§11.800

Deteriorated-development areas or areas where existing streets/utilities don't meet current standards; tracts ≥2 acres; City Council authorizes.

PRD
Planned Residential Development (PRD)
SPEC
§11.900 (ZC92-04)

Legacy district. Section deleted in its entirety in 1992; certain properties retain PRD designation shown on zoning map.

NCD
Neighborhood Conservation Overlay Districts
SPEC
§11.1000 (Ord. 2020-8-9)

Established neighborhoods with distinct scale, design, character, unique physical features, or community importance; 60% signature petition required. Generally ≥4 contiguous properties, ≥75% developed with habitable structures ≥35 years old.

ECA
Expressway Corridor Overlay District
SPEC
§11.1100 (ZOA 2024-025; Ord. 2025-1-6)

Properties fully or partially within a designated Expressway Corridor Area on the Zoning Map (based on 2019 Expressway Corridor Environmental Health Study; applies city-wide along expressway corridors). Two subtypes: C-ECA (Conditional) and R-ECA (Restricted).

FLOODPLAIN
FEMA Floodplain Overlay
SPEC
Plano Floodplain Ordinance (Ch. 11 of City Code; separate from Zoning Ordinance 2015-5-2)

FEMA-mapped Special Flood Hazard Areas (SFHA) — Zone A/AE, 100-yr floodplain in Plano portions of Rowlett Creek, Spring Creek, White Rock Creek watersheds.

TOD
Transit-Oriented Development / DART Station-Area
tod
Delivered via BG district and site-specific PDs at Downtown Plano Station and Parker Road Station

Around DART Red Line stations: Downtown Plano Station (governed by BG district + historical PD context) and Parker Road Station.

DOWNTOWN
Downtown (BG district)
SPEC
§10.800 (BG, Downtown Business/Government District)

Downtown Plano / Historic Downtown area — governed by BG district on zoning map.

AFFORDABLE_BONUS
Affordable Housing Density Bonus
SPEC
n/a

n/a

AIRPORT
Airport / Airspace (AICUZ / FAA Part 77)
SPEC
Not a local overlay — federal airspace

Plano has no municipal airport. Nearest airports: DFW, Dallas Love Field, Addison Airport — all outside Plano. Plano lies under outer FAA Part 77 imaginary surfaces of DFW approaches.

State preemptions

TX SB 840 (2025)applies
Qualifying condition
Plano city population 296,718 (Census PEP 2024-07-01 vintage) ≥ 150,000 threshold; Collin County population 1,254,658 (Census PEP 2024-07-01 vintage) ≥ 300,000 threshold. Both gates passed. Plano's ZOA 2025-007 (Ord. 2025-8-13) explicitly amended O-1, O-2, R, LC, CC, CB-1, CE, RC, RE, RT, LI-1, LI-2 districts to add 'Multifamily and Mixed-use Residential Requirement' columns with state-law-compliant standards (1 space/unit parking, 25-ft setbacks, 45-ft min height).
Source
US Census Bureau PEP 2024 vintage; Plano Zoning Ordinance §§10.200–10.1500 (post-ZOA 2025-007 dimensional tables).
Effect
Multifamily residential by-right (ministerial approval) on commercial / office / retail / warehouse / mixed-use parcels; density floor ≥36 du/ac or city's highest MF density (whichever greater); height floor ≥45 ft; setback cap ≤25 ft; parking cap ≤1 space/unit.
TX SB 15 (2025)applies
Qualifying condition
SB 15 applies per-parcel where lot_area_sf ≤ 4,000. Plano has base districts with minimums below 4,000 sf: UMU-SFA (700 sf, §10.700), BG-SFA (700 sf, §10.800), NBD-Live-Work (1,500 sf, §10.1600), RCD Tier-Two Townhome/Stacked-Townhome (1,200 sf, §9.1700), RCD Tier-Two SF-1.5 (1,500 sf, §9.1700), RCD Tier-One SF-2 (2,000 sf, §9.1700). Applies as a ceiling on city enforcement for qualifying parcels.
Source
TX SB 15 (89th Leg., 2025); Plano §§9.1700, 10.700, 10.800, 10.1600.
Effect
On lots ≤4,000 sf, limits city regulation of setbacks, parking, height, and bulk (FAR). Use restrictions and life-safety authority retained by city.

Adopted building codes

Home rule; major cities on 2024 IBC

IBC
2024
IRC
2021
NEC
2023
IFC
Local adoption
IECC (Residential)
2015
IECC (Commercial)
2015

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

Amendment history

DateKindCitation
2025-09-01amendment effectivenote: Consolidated ordinance text footer 'Plano Zoning Ordinance | September 1, 2025' reflects all amendments through this date. | kind_raw=code_compile_date
2025-08-13amendment effectivenote: ZOA 2025-007 / Ord. 2025-8-13 — State-law conformance (SB 840/SB 15); MF and mixed-use allowed in nonresidential districts
2025-01-06amendment effectivenote: ZOA 2024-025 / Ord. 2025-1-6 — Expressway Corridor Overlay District (§11.1100) added
2021-01-13amendment effectivenote: ZOA 2020-012 / Ord. 2021-1-13 — Neighborhood Business Design (NBD) district added (§10.1600)
2021-01-12amendment effectivenote: ZOA 2020-013 / Ord. 2021-1-12 — Residential Community Design (RCD) district added (§9.1700)
2015-05-11adoptionnote: Ordinance No. 2015-5-2 adopted May 11, 2015

Quirks & notes

  • ECA (Expressway Corridor Overlay District) unique in Texas — Plano's environmental-health-motivated corridor overlay adopted Jan 20, 2025 via ZOA 2024-025 and expanded Sept 1, 2025 via ZOA 2025-007 to cover all land uses. Two subtypes: C-ECA (Conditional — MERV-13 filtration, intake orientation, 45 dBA interior noise, landscape edge) and R-ECA (Restricted — listed residential/institutional uses prohibited). §11.1100.
  • Stormwater Incentive Options reduce SF-9/SF-7/SF-6/PH/SF-A/2F minimum lot size 3–22% if subdivision provides stormwater quality area ≥5% or ≥10% of gross platted area (§9.500.3, §9.600.3, §9.700.3, §9.900.3, §9.1000.3, §9.1100.3; ZOA 2017-026).
  • ZOA 2025-007 (Ord. 2025-8-13) retrofitted all nonresidential districts (O-1, O-2, R, LC, CC, CB-1, CE, RC, RE, RT, LI-1, LI-2) with 'Multifamily and Mixed-use Residential Requirement' columns in dimensional tables — complies with TX SB 840 ministerial MF pathway. Typical standards: 1 space/DU, 25-ft setbacks, minimums 45 ft (O-1/R/LC/CC/NBD), 75 ft (O-2/CB-1/RC/RE/LI-1/LI-2), 120 ft (CE/RT).
  • RCD (Residential Community Design, §9.1700) — density is a RANGE (10–20 du/ac net), not a ceiling; projects <10 du/ac not permitted. Housing-type mix required (≥10% of total units per provided type). Min district 5 ac (≤100 units) or 10 ac (>100 units). 15% public usable open space required.
  • BG (Downtown) uses 'shy zone' build-to approach measured from right-of-way cross-section edge, not property line — 4 ft Downtown Couplet/Gateway, 3 ft Mixed-Use Local/Mews, 10 ft Residential Local (§10.800.5A). Two-thirds of front facade must fall within 10 ft of shy zone.
  • CE (Commercial Employment) has step-function height based on distance from residential zoning: 2 story (0–400 ft), 4 story (401–600 ft), 6 story (601–800 ft), unlimited beyond (§10.1000.3). Required minimum contiguous area 200 acres.
  • CB-1 requires minimum contiguous 100 acres (§10.900.5A.i); 75-ft min height for MF/mixed-use residential (§10.900.3).
  • RC and RE use identical residential-transition setback-slope formula: base 50 ft OR 3×height−30 ft from residential district boundary (whichever more restrictive); 140 ft/8 story cap within 1,000 ft of residential; 1-to-1 height/setback ratio beyond (§10.1100.3, §10.1200.3).
  • UMU has minimum lot coverage (60%) in addition to setbacks — enforces urban density (§10.700.3 — unusual provision; most districts only cap coverage).
  • Stormwater/Parking Reduction Program allows reductions to parking minimums for stormwater/tree preservation/transit-adjacency (§16.1100, §16.1200).
  • GR (General Residential, Douglass Community) is a cultural-heritage infill district with 1 space/DU parking (departs from citywide 2/DU baseline) and mandatory horizontal overlapping siding, ≥6:12 roof pitch, covered porch ≥40 sf (§9.1200.3, §9.1200.4).
  • PRD (Planned Residential Development) was deleted in 1992; legacy designations only, no new PRDs can be created (§11.900).
  • Code rewrite flagged — Nov 2024 Diagnostic Report at planocompplan.org notes the Zoning Ordinance was designed for greenfield development but the city is now built out; a UDC-format rewrite is under consideration.

Massing explorer

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District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Sources & references

Primary source
https://www.plano.gov/1277/Zoning-Ordinance
city-hosted

Primary research this run: full Plano Comprehensive Zoning Ordinance PDF fetched from CivicPlus-hosted asset fc707d33-03b6-4993-9a8a-9244962a2c91 (consolidated Sept 1, 2025). Articles 9, 10, 11, 13, 16 dimensional tables extracted verbatim. ZOA 2020-013 (RCD) and ZOA 2024-025 (ECA) fetched separately from Plano Novus Agenda.

Citations
  1. [1] §9.200.3
  2. [2] §9.200.3 — 3 story, 45 ft
  3. [3] §9.200.3 — 20%, +10% additional for accessory buildings
  4. [4] §9.200.3, §16.700
  5. [5] §9.300.3 — 43,560 sf baseline; 85,000 sf if livestock (except backyard hens per ZOA 2021-020)
  6. [6] §9.300.3 — 3 story, 40 ft
  7. [7] §9.300.3 — 20%, +10% additional for accessory buildings
  8. [8] §9.300.3, §16.700
  9. [9] §9.400.3
  10. [10] §9.400.3 — 3 story, 40 ft
  11. [11] §9.400.3 — 25%, +10% additional for accessory buildings
  12. [12] §9.400.3, §16.700
  13. [13] §9.500.3 — 9,000 sf standard; 8,550 sf Stormwater Option 1; 8,100 sf Stormwater Option 2
  14. [14] §9.500.3 — 2 story, 35 ft
  15. [15] §9.500.3 — 45% standard; 47.5% (Opt 1); 50% (Opt 2)
  16. [16] §9.500.3, §16.700
  17. [17] §9.600.3 — 7,000 sf standard; 6,650 sf Opt 1; 5,400 sf Opt 2
  18. [18] §9.600.3 — 2 story, 35 ft
  19. [19] §9.600.3 — 45% std; 47.5% Opt 1; 50% Opt 2
  20. [20] §9.600.3, §16.700
  21. [21] §9.700.3 — 6,000 sf standard; 5,700 sf Opt 1; 5,400 sf Opt 2
  22. [22] §9.700.3 — 2 story, 35 ft
  23. [23] §9.700.3 — 45% std; 47.5% Opt 1; 50% Opt 2
  24. [24] §9.700.3, §16.700
  25. [25] §9.800.3
  26. [26] §9.800.3 — 2 story, 35 ft
  27. [27] §9.800.3 — 60% including accessory buildings
  28. [28] §9.800.3, §16.700
  29. [29] §9.900.3 — 4,000 sf std; 3,800 Opt 1; 3,600 Opt 2
  30. [30] §9.900.3 — 2 story, 35 ft
  31. [31] §9.900.3 — 60% all 3 options
  32. [32] §9.900.5 — 2 off-street + 0.5 visitor per unit within 600 ft
  33. [33] §9.1000.3 — 2,250 sf/DU std; 2,140 Opt 1; 2,025 Opt 2; max 10 du/ac when multi-unit on single lot
  34. [34] §9.1000.3 — 2 story, 35 ft
  35. [35] §9.1000.3 — 65% std; 68% Opt 1; 72% Opt 2
  36. [36] §9.1000.3 — 10 du/ac when multiple units platted on a single lot; may increase to 12 du/ac with P&Z finding of additional amenities (§9.1000.4A.v)
  37. [37] §9.1000.3, §16.700 — 2.25 spaces/DU front entry; 2/DU rear-alley entry; +0.25 visitor within 600 ft
  38. [38] §9.1100.3 — 8,000 sf std; 7,600 Opt 1; 5,400 Opt 2
  39. [39] §9.1100.3 — 2 story, 35 ft
  40. [40] §9.1100.3 — 45% std; 47.5% Opt 1; 50% Opt 2
  41. [41] §9.1100.3, §16.700
  42. [42] §9.1200.3 — 3,000 sf SF / 6,000 sf 2F
  43. [43] §9.1200.3 — 1 story, 30 ft residential (2 story, 35 ft nonresidential)
  44. [44] §9.1200.3 — 50% total incl. accessory
  45. [45] §9.1200.3 — 1 space/DU (exception to citywide 2/DU baseline)
  46. [46] §9.1300.3
  47. [47] §9.1300.3
  48. [48] §9.1300.3 — no maximum; controlled by setbacks and §15.800
  49. [49] §9.1300.4A (ZOA 2025-007) — 1 space/DU
  50. [50] §9.1400.3
  51. [51] §9.1400.3
  52. [52] §9.1400.3 — no maximum
  53. [53] §9.1400.4A (ZOA 2025-007)
  54. [54] §9.1500.3
  55. [55] §9.1500.3
  56. [56] §9.1500.3 — no maximum
  57. [57] §9.1500.4A (ZOA 2025-007)
  58. [58] §9.1600.3 — 4,500 sf stand
  59. [59] §9.1600.3 — 1 story, 15 ft
  60. [60] §9.1600.3 — min dwelling unit 480 sf
  61. [61] §9.1600.3
  62. [62] §9.1700.5 — Tier One SF-3/Duplex: 35 ft; Tier Two SF-1.5/Townhome/Manor Home: 35–50 ft; Tier Three: 50 ft
  63. [63] §9.1700.5 — 70% (Tier One SF-3/Duplex/Manor Home); 80% (Tier Two SF-2/SF-1.5/Townhome/Stacked-TH); 75% (Tier Three Stacked Flat)
  64. [64] §9.1700.4A — 10–20 du/ac net (floor AND ceiling), excluding public/private streets, street easements, public usable open space
  65. [65] §9.1700.5 — 2 spaces/DU for SF/Duplex/Townhome; 1/DU (1BR), 1.5/DU (2BR), 2/DU (3+BR) for Manor Home and Stacked Flat
  66. [66] §10.200.3 — none
  67. [67] §10.200.3 — 2 story, 35 ft (nonresidential); 45 ft (MF/mixed-use residential per ZOA 2025-007)
  68. [68] §10.200.3 — 30% nonresidential; none for MF/mixed-use
  69. [69] §10.200.3 — 0.6:1 nonresidential; none for MF/mixed-use
  70. [70] §16.700 — 1 space per 300 sf office = 3.33/1000sf; 1/DU multifamily (ZOA 2025-007)
  71. [71] §10.300.3 — none
  72. [72] §10.300.3 — no maximum (see §13.600); minimum 75 ft for MF/mixed-use residential
  73. [73] §10.300.3 — 50% nonres (max 30% accessory); none MF
  74. [74] §10.300.3 — 1:1 nonres; none MF
  75. [75] §16.700 — 1 per 300 sf office; 1/DU multifamily
  76. [76] §10.400.3 — none
  77. [77] §10.400.3 — 2 story, 35 ft nonres; 45 ft MF/mixed-use
  78. [78] §10.400.3 — 30% nonres; 50% mini-warehouse (§10.400.6B); none MF
  79. [79] §10.400.3 — 0.6:1 nonres; none MF
  80. [80] §16.700 — retail ≤50,000 sf: 1/200sf = 5/1000sf; retail >50,000 sf: 1/250sf = 4/1000sf; 1/DU multifamily
  81. [81] §10.500.3 — none
  82. [82] §10.500.3 — 2 story, 35 ft nonres; 45 ft MF/mixed-use
  83. [83] §10.500.3 — 40% nonres; 50% mini-warehouse; none MF
  84. [84] §10.500.3 — 0.8:1
  85. [85] §16.700 — retail/office mix per use type; 1/DU MF
  86. [86] §10.600.3 — none
  87. [87] §10.600.3 — 20 story, not to exceed 325 ft; min 45 ft for MF/mixed-use
  88. [88] §10.600.3 — 50%; 70% with structured parking; none MF
  89. [89] §10.600.3 — 1:1 nonres
  90. [90] §16.700 by use; 1/DU MF
  91. [91] §10.700.3 — none (nonres/MF); 700 sf (Single-Family Attached)
  92. [92] §10.700.3 — 15 story nonres/MF; 3 story SFA; min 2 story nonres / 45 ft MF
  93. [93] §10.700.3 — no maximum (limited by setbacks/height); 100% including accessory buildings for SFA; minimum 60% for all uses
  94. [94] §16.700 — 1/DU multifamily; by-use for nonres
  95. [95] §10.800.3 — none (nonres/MF); 700 sf (SFA)
  96. [96] §10.800.3 — 4 story nonres/MF (flex-space podium rules); 3 story, 50 ft SFA; parking structures 5 levels max
  97. [97] §10.800.3 — no maximum (limited by setbacks); 100% SFA
  98. [98] §10.800.3 — 4:1 nonres; none for MF/mixed-use
  99. [99] §10.800.4A — 1/DU multifamily; 2/DU SFA (§10.800.4B); 1/300sf other uses
  100. [100] §10.900.3 — 8,400 sf MF/mixed-use; none nonres
  101. [101] §10.900.3 — no maximum; minimum 75 ft MF/mixed-use
  102. [102] §10.900.3 — no maximum
  103. [103] §10.900.4 — 1/DU MF per Art. 16; offsite parking allowed within 600 ft
  104. [104] §10.1000.3 — none
  105. [105] §10.1000.3 — step-function: 2 story within 400 ft of residential, up to unlimited beyond 800 ft (MF: 120 ft minimum)
  106. [106] §10.1000.3 — 50% retail; 40% all other nonres uses; 50% mini-warehouse; none MF
  107. [107] §16.700 by use type; 1/DU MF
  108. [108] §10.1100.3 — none
  109. [109] §10.1100.3 — 20 story, 325 ft max; min 75 ft MF/mixed-use
  110. [110] §10.1100.3 — 50%; 70% w/ structured parking; none MF
  111. [111] §10.1100.3 — 1:1 nonres
  112. [112] §16.700; 1/DU MF
  113. [113] §10.1200.3 — none
  114. [114] §10.1200.3 — 20 story, 325 ft max; min 75 ft MF/mixed-use
  115. [115] §10.1200.3 — 50%; 70% w/ structured parking; none MF
  116. [116] §10.1200.3 — 1:1 nonres
  117. [117] §16.700; 1/DU MF
  118. [118] §10.1300.3 — none; minimum district size 25 contiguous acres
  119. [119] §10.1300.3 — 20 story, 325 ft max; min 120 ft MF/mixed-use
  120. [120] §10.1300.3 — 45%; 60% w/ structured parking; none MF
  121. [121] §10.1300.3 — 1:1 nonres
  122. [122] §16.700; 1/DU MF
  123. [123] §10.1400.3 — none
  124. [124] §10.1400.3 — no maximum (nonres); min 75 ft MF/mixed-use; 1 story within 50 ft of front property line
  125. [125] §10.1400.3 — 50% nonres; none MF
  126. [126] §10.1400.3 — 1:1 nonres
  127. [127] §16.700 — mfg/warehousing 1 per 2 employees OR 1 per 1,000 sf, whichever greater; 1/DU MF
  128. [128] §10.1500.3 — none
  129. [129] §10.1500.3 — no maximum (nonres); min 75 ft MF; 1 story within 50 ft of front property line
  130. [130] §10.1500.3 — 50%
  131. [131] §10.1500.3 — 2:1 nonres (higher than LI-1 1:1)
  132. [132] §16.700 — mfg/warehousing 1 per 2 employees OR 1 per 1,000 sf; 1/DU MF
  133. [133] §10.1600.5 — none
  134. [134] §10.1600.5 — 3 story, 50 ft
  135. [135] §10.1600.5 — 75% nonres; 90% with structured parking; none MF/mixed-use
  136. [136] §10.1600.12 — nonres per §16.700 with 110% max cap; on-street parking can count; 1/DU multifamily

Research status

Publication gates

primary url presentpassedevidence=https://www.plano.gov/1277/Zoning-Ordinance (city-hosted, not an aggregator); full ordinance PDF fetched at content.civicplus.com/api/assets/fc707d33-03b6-4993-9a8a-9244962a2c91
no aggregator citedpassedevidence=Scan clean — no zoneomics/steadily/siteplanguide/sitedesignguide/siteplancreator/propwire/zonara/unzoned references
confidence tags full formpassedevidence=180 dimensional fields confirmed with §-citations drawn from primary ordinance text fetched this run (Articles 9, 10, 11, 13, 16). Remaining 'not_found' entries are explicit gaps where ordinance uses different parameterization (build-to-line, site dimensions) rather than du/ac or FAR; 'not_applicable' entries have explicit reason text.
overlays have parameters trigger confidencepassedevidence=All 16 overlay entries (PRESTON_RD, DNT, SH190, SH121, PARKWAY, HERITAGE_H_HD, REDEV, PRD, NCD, ECA, FLOODPLAIN, TOD, DOWNTOWN, AFFORDABLE_BONUS, AIRPORT) have parameters[], geographic_trigger, status, citation — including explicit not_found/not_applicable entries with paired fields.
preempt section city specificpassedevidence=2 Texas laws (SB 840, SB 15) with city-specific qualifying_condition_checked including numeric inputs (Plano pop 296,718 / Collin 1,254,658, 2024 Census vintage) AND ordinance-text cross-references (ZOA 2025-007 explicit retrofit to add MF/mixed-use columns to all nonres districts).

Data quality

99%completeness180 confirmed1 partial4 not found

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