Overview
Tacoma is finalizing a multi-year 'Home In Tacoma' (HIT) middle-housing recode in two phases (Phase 1 adopted 2023, Phase 2 development was ongoing through 2024-2025) intended to bring TMC Title 13 into compliance with WA HB 1110 (4-plex by-right in SF zones for Tier 1 cities) and HB 1337 (statewide ADU mandate). The 2024-09 Title 13 capture used as primary in this drain reflects the PRE-Home In Tacoma district structure (R-1 through R-5, NCX through HMX, DCC/DMU/DR/WR, M-1/M-2/PMI). The eCode360-hosted current Title 13 (the cited primary_url) likely reflects HIT Phase 2 changes, but the eCode360 platform is Cloudflare-gated and a scripted retrieval could not extract section-level provisions for this drain. The Phase 2 'UR-1 / UR-2 / UR-3' district codes referenced in some external secondary sources have not been confirmed at primary-source level — they are noted in this record under quirks as 'announced rollout' but not codified as base districts pending eCode360 retrieval. | naming_convention_raw=letter-code with sequential / use-intensity numbering — Residential R-1/R-2/R-2SRD/HMR-SRD/R-3/R-4-L/R-4/R-5 are an intensity ladder where R-1 = lowest density SF and R-5 = highest density MF; Commercial T/C-1/C-2/PDB are an intensity ladder where T = transitional/lowest and PDB = planned development business; Mixed-Use Center districts use X-suffix (NCX/CCX/UCX/RCX/CIX/HMX/URX/NRX) where the prefix maps to a center type (Neighborhood Commercial / Community Commercial / Urban Center / Residential Commercial / Commercial Industrial / Hospital Medical / Urban Residential / Neighborhood Residential); Downtown uses purpose-coded districts (DCC Downtown Commercial Core, DMU Downtown Mixed-Use, DR Downtown Residential, WR Warehouse/Residential); Industrial uses M-1/M-2/PMI (Light / Heavy / Port Maritime & Industrial). ; sub_flags_raw=[pacific-northwest, hb1110-tier1, port-of-tacoma-industrial, jblm-aicuz-adjacent, shoreline-master-program-tmc-title-19] ; narrative_ref=narratives/tacoma-wa/drain-20260518T072625-wa-05.json
- Home In Tacoma (HIT) recode is mid-flight (Phase 1 adopted 2023, Phase 2 in development 2024-2026) intended to bring TMC Title 13 into compliance with HB 1110 + HB 1337; the 2024-09 Title 13 PDF used as primary source in this drain reflects the PRE-HIT-Phase-2 district structure where R-1 through R-5 are nominally SF-primary, even though HB 1110 already preempts to 4 du/lot floor
- TMC Title 13 migrated from city-hosted PDF to eCode360 platform circa April 2026; eCode360 is Cloudflare-gated and not reachable via scripted retrieval, so this drain used the Wayback-captured 2024-09 PDF (https://web.archive.org/web/20240910014120/https://cms.cityoftacoma.org/cityclerk/Files/MunicipalCode/Title13-LandUseRegulatoryCode.PDF) as the practical primary
- JBLM AICUZ APZ II Overlay (TMC 13.06.070.F) covers ~200 acres in South Tacoma and creates a HB 1110 federal-state conflict — AICUZ prohibits multifamily and >1-unit-residential entirely, while HB 1110 floors all SF residential at 4 du/lot. The overlay carve-out is federal_state_conflict, not preempted_by_state
+ 10 more in Quirks & notes
Districts
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| R-1 | Single-Family Dwelling District R-1 | res_sf | 7,500 sf | 35 ft[4] | —[5] | — | 4 | —[6] | 25[1] / 7.5[2] / 25[3] |
| R-2 | Single-Family Dwelling District R-2 | res_sf | 5,000 sf | 35 ft[10] | —[11] | — | 4 | — | 20[7] / 5[8] / 25[9] |
| R-2SRD | Residential Special Review District R-2SRD | res_sf | 5,000 sf | 35 ft | —[12] | — | 4 | — | 20 / 5 / 25 |
| HMR-SRD | Historic Mixed Residential Special Review District HMR-SRD | res_sf | 5,000 sf | 35 ft | —[13] | — | 4 | — | 20 / 5 / 25 |
| R-3 | Two-Family Dwelling District R-3 | res_mf | 5,000 sf | 35 ft[17] | 0.5[18] | — | 10[19] | — | 20[14] / 5[15] / 25[16] |
| R-4-L | Low-Density Multiple-Family Dwelling District R-4-L | res_mf | 5,000 sf | 35 ft[21] | 0.5[22] | — | 14[23] | — | 20 / 5 / 20[20] |
| R-4 | Multiple-Family Dwelling District R-4 | res_mf | 5,000 sf | 60 ft[24] | 0.65[25] | — | 18[26] | — | 15 / 5 / 25 |
| R-5 | Multiple-Family Dwelling District R-5 | res_mf | 5,000 sf | 150 ft[28] | 0.65[29] | — | 22[30] | — | 10 / 5[27] / 20 |
| T | Transitional District T | com | 0 sf | 35 ft[32] | —[33] | — | — | — | 0[31] / 0 / 0 |
| C-1 | General Neighborhood Commercial District C-1 | com | 0 sf | 35 ft[34] | —[35] | — | — | — | 0 / 0 / 0 |
| C-2 | General Community Commercial District C-2 | com | 0 sf | 45 ft[36] | —[37] | — | — | — | 0 / 0 / 0 |
| PDB | Planned Development Business District PDB | com | 0 sf | 45 ft[38] | —[39] | — | — | — | 0 / 0 / 0 |
| NCX | Neighborhood Commercial Mixed-Use District NCX | mu | 0 sf | 45 ft[42] | —[43] | — | — | — | 0[40] / 0[41] / 0 |
| CCX | Community Commercial Mixed-Use District CCX | mu | 0 sf | 60 ft[44] | —[45] | — | — | — | 0 / 0 / 0 |
| UCX | Urban Center Mixed-Use District UCX | mu | 0 sf | 75 ft[46] | —[47] | — | — | — | 0 / 0 / 0 |
| RCX | Residential Commercial Mixed-Use District RCX | mu | 0 sf | 60 ft[48] | —[49] | — | — | — | 0 / 0 / 0 |
| CIX | Commercial Industrial Mixed-Use District CIX | mu | 0 sf | 75 ft[50] | —[51] | — | — | — | 0 / 0 / 0 |
| NRX | Neighborhood Residential Mixed-Use District NRX | res_mf | 3,500 sf | 35 ft[55] | —[56] | — | — | — | 10[52] / 5[53] / 15[54] |
| URX | Urban Residential Mixed-Use District URX | res_mf | 0 sf | 45 ft[57] | —[58] | — | — | — | 0 / 0 / 0 |
| HMX | Hospital Medical Mixed-Use District HMX | mu | 0 sf | 150 ft[59] | —[60] | — | — | — | 0 / 0 / 0 |
| DCC | Downtown Commercial Core District DCC | cbd | 0 sf | 400 ft[61] | —[62] | 12[63] | — | — | 0 / 0 / 0 |
| DMU | Downtown Mixed-Use District DMU | cbd | 0 sf | 100 ft[64] | —[65] | 7[66] | — | — | 0 / 0 / 0 |
| DR | Downtown Residential District DR | cbd | 0 sf | 90 ft[67] | —[68] | 6[69] | — | — | 0 / 0 / 0 |
| WR | Warehouse/Residential District WR | cbd | 0 sf | 100 ft[70] | —[71] | 7[72] | — | — | 0 / 0 / 0 |
| M-1 | Light Industrial District M-1 | ind | — | 75 ft[74] | —[75] | — | — | — | 0[73] / 0 / 0 |
| M-2 | Heavy Industrial District M-2 | ind | — | 100 ft[76] | —[77] | — | — | — | 0 / 0 / 0 |
| PMI | Port Maritime & Industrial District PMI | ind | — | 100 ft[78] | —[79] | — | — | — | 0 / 0 / 0 |
Confidence: confirmed partial under review not found
Overlays
Designated areas with predominant 20-foot (VS-20) or 25-foot (VS-25) building development pattern oriented toward Puget Sound and/or Tacoma Narrows Bridge views; established to protect existing public and private views in areas with steep topography and historical pattern of larger lots
Mapped boundary in South Tacoma corresponding to the designated South Tacoma Manufacturing/Industrial Center (M/IC) under the Comprehensive Plan
Aquifer-recharge area overlying the South Tacoma sole-source aquifer (Tacoma's principal municipal drinking water source) per TMC 13.01.090 STGPD definitions
Tacoma Mall Neighborhood Subarea Plan boundary — designated Regional Growth Center (RGC) under Puget Sound Regional Council Vision 2050 and Pierce County Countywide Planning Policies
Approximately 200-acre area in South Tacoma corresponding to JBLM Accident Potential Zone II (APZ II) of the JBLM (McChord Field) airfield
Mapped boundary buffering the Port of Tacoma Manufacturing and Industrial Center (Tideflats) from upland residential neighborhoods; divided into PTD-A and PTD-B parts per overlay map; implements the Container Port Element of the One Tacoma Plan and GMA
Designated Historic Special Review Districts (HSRDs) and Conservation Districts established per TMC 13.07 with concentrations of historic resources meeting designation criteria; includes Old City Hall, Stadium-Seminary, North Slope, and Wedge HSRDs among others
Shorelines of the State within City of Tacoma — Puget Sound (Commencement Bay, Ruston Way, Old Town, Point Defiance), Thea Foss Waterway and other industrial waterways, Mid-Puget Sound, Tacoma Narrows shoreline; environments classified per the WA Shoreline Management Act (RCW 90.58)
Wetlands, fish and wildlife habitat conservation areas, geologically hazardous areas (landslide, erosion, seismic), frequently flooded areas (FEMA SFHA), and critical aquifer recharge areas across all Tacoma zoning districts
State preemptions
Adopted building codes
Statewide; update sched May 2026
Click a code label to open its state-by-state adoption atlas.
Amendment history
| Date | Kind | Citation |
|---|---|---|
| 2026-04-01 | effective | City Clerk public notice (April 2026) on legacy PDF stub: 'The information previously available in this PDF file is now on the City of Tacoma's eCode website'; migrated TMC to eCode360 platform with primary code URL https://ecode360.com/TA6977/home, Title 13 at https://ecode360.com/48470095 | type=ecode360_migration |
| 2024-06-01 | effective | Title 13 PDF marked 'Updated 06/2024' on every page; this is the dimensional-table vintage extracted in this drain (R, T/C, NCX–HMX, DCC/DMU/DR/WR, M-1/M-2/PMI standards) | type=title_13_dimensional_table_capture_used |
| 2023-08-15 | effective | Ord. 28906 Ex. C — reorganized land use table order across 13.06.020 / 030 / 040 / 060 with scrivener corrections | type=land_use_table_reorganization |
| 2019-09-24 | effective | Ord. 28613 Ex. G — Title 13 reorganization; relocated district sections (13.06.020 Residential, 13.06.030 Commercial, 13.06.040 Mixed-Use Center, 13.06.050 Downtown, 13.06.060 Industrial, 13.06.070 Overlay) | type=title_13_recodification |
Quirks & notes
- Home In Tacoma (HIT) recode is mid-flight (Phase 1 adopted 2023, Phase 2 in development 2024-2026) intended to bring TMC Title 13 into compliance with HB 1110 + HB 1337; the 2024-09 Title 13 PDF used as primary source in this drain reflects the PRE-HIT-Phase-2 district structure where R-1 through R-5 are nominally SF-primary, even though HB 1110 already preempts to 4 du/lot floor
- TMC Title 13 migrated from city-hosted PDF to eCode360 platform circa April 2026; eCode360 is Cloudflare-gated and not reachable via scripted retrieval, so this drain used the Wayback-captured 2024-09 PDF (https://web.archive.org/web/20240910014120/https://cms.cityoftacoma.org/cityclerk/Files/MunicipalCode/Title13-LandUseRegulatoryCode.PDF) as the practical primary
- JBLM AICUZ APZ II Overlay (TMC 13.06.070.F) covers ~200 acres in South Tacoma and creates a HB 1110 federal-state conflict — AICUZ prohibits multifamily and >1-unit-residential entirely, while HB 1110 floors all SF residential at 4 du/lot. The overlay carve-out is federal_state_conflict, not preempted_by_state
- Port of Tacoma Transition Overlay PTD-A imposes a 1-ac average density cap and prohibits all multifamily — creates a HB 1110 tension similar to AICUZ within the residential buffer between Tideflats and upland neighborhoods
- Downtown districts (DCC, DMU, DR, WR) use FAR-based intensity standards with three FAR tiers: as-of-right, design-bonused, and TDR-bonused; DCC tops out at 12.0 FAR / 400 ft height (highest in the city)
- Tacoma's R-3 through R-5 use MINIMUM density (10 / 14 / 18 / 22 du/ac) consistent with GMA growth-target zoning rather than the more-typical MAXIMUM density formulation — meaning the city floors density upward in MF zones
- Mixed-Use Center districts (NCX through HMX, URX, NRX) have no minimum lot area, no minimum lot width, and no maximum building coverage — TOD form-based-adjacent intent; envelope controlled by height + step-backs (13.06.100.B) + maximum-setback rules on designated pedestrian streets
- Title 19 Shoreline Master Program (separate code title from Title 13) is a super-overlay applying across all shoreline jurisdictions (Puget Sound, Commencement Bay, Thea Foss Waterway, Tacoma Narrows, etc.) — enacted by Ord. 28612 replacing former Title 13.10
- View-Sensitive Overlay (VS-20 / VS-25) reduces R-district 35-ft height limit to 20 / 25 ft in mapped Puget Sound / Tacoma Narrows view-corridor areas — affects sizing of small-lot SF and Phase-2 HIT middle housing within those overlays
- South Tacoma Groundwater Protection District (STGPD) overlay (TMC 13.06.070.D) protects the South Tacoma sole-source aquifer — Tacoma's principal municipal drinking water source; layered onto base M-1 / M-2 zoning
- Tacoma Mall Neighborhood Regional Growth Center (TMC 13.06.040.J) is a designated PSRC Vision 2050 RGC with UCX / CIX / URX (Lincoln Heights, Madison) height bonuses + Inclusionary Zoning Pilot Area — TOD-aligned growth allocation
- HMR-SRD (Historic Mixed Residential Special Review District) is BOTH a base zoning district (in 13.06.020) AND coordinated with TMC 13.07 historic-overlay procedures — design-overlay layered on residential base
- Tacoma Link Line 1 (T Line) light rail (Sound Transit) is a fixed-guideway qualifying major transit stop per RCW 81.104.015 — entire route from Tacoma Dome through Downtown to Hilltop / Stadium District triggers HB 1110 6-plex tier within 1/2-mi catchment
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.
| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Sources & references
- https://ecode360.com/TA6977/home
- https://cms.cityoftacoma.org/cityclerk/Files/MunicipalCode/Title13-LandUseRegulatoryCode.PDF
- https://web.archive.org/web/20240910014120/https://cms.cityoftacoma.org/cityclerk/Files/MunicipalCode/Title13-LandUseRegulatoryCode.PDF
- https://tacoma.gov/municode
- https://www.cityoftacoma.org/government/city_departments/planning_and_development_services/planning_services/projects/home_in_tacoma_project
- https://www.cityoftacoma.org/government/city_departments/planning_and_development_services
- [1] — TMC 13.06.020.F.6.a
- [2] — Minimum Side Setback (Interior Lots) — TMC 13.06.020.F.6.g
- [3] — Minimum Rear Setback — TMC 13.06.020.F.6.j
- [4] — Main Buildings — TMC 13.06.020.F.5.b; Small Lot 40–50 ft width: 30 ft; Small Lot <40 ft width: 25 ft; subject to View-Sensitive Overlay reductions (VS-20 / VS-25)
- [5] n — No maximum building coverage specified for R-1 in TMC 13.06.020.F.3.b (only R-3 through R-5 have stated maxima)
- [6] — TMC 13.06.090.C governs off-street parking; HB 1110 caps cities at 1 space/unit and waives in 1/2-mile of major transit. Specific TMC 13.06.090.C values not deep-extracted in this drain.
- [7] — TMC 13.06.020.F.6.a
- [8] — TMC 13.06.020.F.6.g
- [9] — TMC 13.06.020.F.6.j
- [10] — TMC 13.06.020.F.5.b
- [11] n — No coverage max in R-2 per 13.06.020.F.3.b
- [12] n
- [13] n
- [14] — TMC 13.06.020.F.6.a
- [15] — TMC 13.06.020.F.6.g
- [16] — TMC 13.06.020.F.6.j
- [17] — TMC 13.06.020.F.5.b
- [18] — Maximum building coverage 50% of lot — TMC 13.06.020.F.3.b; corner-lot +10% bonus available
- [19] — Minimum density 10 du/net-acre per TMC 13.06.020.F.4.b — Tacoma states this as a MINIMUM (not max) density consistent with GMA growth-target zoning
- [20] — 20 ft (or 20 ft for mobile home parks per same row)
- [21] — TMC 13.06.020.F.5.b
- [22] — TMC 13.06.020.F.3.b
- [23] — Minimum density 14 du/net-acre — TMC 13.06.020.F.4.b
- [24] — TMC 13.06.020.F.5.b
- [25] — Maximum building coverage 65% — TMC 13.06.020.F.3.b
- [26] — Minimum density 18 du/net-acre — TMC 13.06.020.F.4.b
- [27] — 5 ft for buildings <6 stories; +1 ft per story above 6 stories — TMC 13.06.020.F.6.g
- [28] — TMC 13.06.020.F.5.b — high-rise multifamily
- [29] — TMC 13.06.020.F.3.b
- [30] — Minimum density 22 du/net-acre — TMC 13.06.020.F.4.b
- [31] — 0 ft unless abutting residential zone (then equal to that residential setback for first 100 ft); subject to maximum-setback / pedestrian-street provisions
- [32] — TMC 13.06.030.F.4.c
- [33] — None for non-residential; residential follows R-4-L max building coverage — TMC 13.06.030.F.2.c
- [34] — TMC 13.06.030.F.4.c
- [35] — Residential follows R-4-L per 13.06.030.F.2.c
- [36] — TMC 13.06.030.F.4.c
- [37] — Residential follows R-4 per 13.06.030.F.2.c
- [38] — TMC 13.06.030.F.4.c
- [39] — Residential follows R-4 per 13.06.030.F.2.c
- [40] — Subject to maximum-setback rules on pedestrian streets; 10 ft front yard if across non-designated ped street from R-1/R-2/R-2SRD
- [41] — 5 ft along perimeter for townhouse developments
- [42] — 45 ft base; 65 ft in Stadium District of Downtown Regional Growth Center (DRGC); additional height available via X-District Height Bonus Program — TMC 13.06.040.F.2.c
- [43] n — No max — TMC 13.06.040.F (lot area 0)
- [44] — 60 ft base + X-District Height Bonus available — TMC 13.06.040.F.2.c
- [45] n
- [46] — 75 ft base; Tacoma Mall Neighborhood Regional Growth Center / Lincoln Heights District height bonuses available; further increases via X-District Height Bonus Program — TMC 13.06.040.F.2.c, footnotes 1 & 3
- [47] n
- [48] — TMC 13.06.040.F.2.c
- [49] n
- [50] — 75 ft base; Tacoma Mall RGC bonuses available (footnotes 1 & 3) — TMC 13.06.040.F.2.c
- [51] n
- [52] — 10 ft front for 1/2/3-family + townhouses; 10 ft front for other uses — TMC 13.06.040.F.1.e
- [53] — 5 ft sides 1/2/3-family + townhouses; 7.5 ft sides other uses
- [54] — 15 ft rear 1/2/3-family + townhouses; 20 ft rear other uses
- [55] — TMC 13.06.040.F.2.c
- [56] n
- [57] — 45 ft base; 75 ft in Tacoma Mall Regional Growth Center – Madison District Inclusionary Zoning Pilot Area; 35 ft in McKinley Neighborhood Center north-of-alley section — TMC 13.06.040.F.2.c footnote 2
- [58] n
- [59] — TMC 13.06.040.F.2.c — large-scale medical facility scale
- [60] n
- [61] — 400 ft per TMC 13.06.050.F.3 (Development Standards Table — DCC row)
- [62] n
- [63] — Residential as-of-right 3.0; design-bonused 6.0; max-with-TDR 12.0. Non-residential as-of-right 3.0; design-bonused 6.0; max-with-TDR 12.0. TMC 13.06.050.F.3
- [64] — TMC 13.06.050.F.3
- [65] n
- [66] — Residential as-of-right 3.0; design-bonused 5.0; max-with-TDR 7.0. Non-residential as-of-right 2.0; design-bonused 4.0; max-with-TDR 6.0. TMC 13.06.050.F.3
- [67] — TMC 13.06.050.F.3
- [68] n
- [69] — Residential as-of-right 2.0; design-bonused 4.0; max-with-TDR 6.0. Non-residential as-of-right 1.0; design-bonused 2.0; max-with-TDR 4.0
- [70] — TMC 13.06.050.F.3
- [71] n
- [72] — Residential as-of-right 4.0; design-bonused 5.0; max-with-TDR 7.0. Non-residential as-of-right 3.0; design-bonused 4.0; max-with-TDR 6.0
- [73] — 0 ft unless abutting dwelling district (then equal to dwelling-district setback for first 100 ft); landscape buffer 13.06.090.B may impose; waiver if 20-ft vertical grade demo'd
- [74] — TMC 13.06.060.F
- [75] n — None — TMC 13.06.060.F
- [76] — 100 ft base; above 100 ft requires 1-foot setback per side for each 4 ft of additional height — TMC 13.06.060.F
- [77] n — None
- [78] — 100 ft base; above 100 ft requires 1-foot setback per side per 4 ft additional height — TMC 13.06.060.F
- [79] n — None
Research status
Publication gates
| primary url present | passed | source.primary_url = https://ecode360.com/48470095 (eCode360-hosted Title 13 — city's authoritative platform per April 2026 migration notice) |
|---|---|---|
| no aggregator cited | passed | scan clean — no zoneomics / steadily / siteplanguide / sitedesignguide / siteplancreator / propwire / zonara / unzoned references in record |
| confidence tags full form | passed | all confirmed fields carry §-citations to TMC sections (13.06.010, 13.06.020.C through F, 13.06.030.C/E/F, 13.06.040.C/F/J, 13.06.050.C/E/F.3, 13.06.060.C/E/F, 13.06.070.A/B/D/E/F/G, 13.07, 13.11, Title 19); partial fields carry retrieval_failure_reason per FM-8 |
| overlays have parameters trigger confidence | passed | 9 overlays (VS-20/VS-25, STM-IC, STGPD, TMNRGC, JBLM-ACD, PTD, HSRD, SMP, CAO) each have non-empty parameters[], geographic_trigger, status, citation |
| preempt section city specific | passed | 5 WA preemption laws (HB 1110, HB 1337, E2SHB 1220, SB 5184, SB 5290) each carry city-specific qualifying_condition_checked with numeric inputs (pop 219346 / threshold 75000), vintage (2020 Census), and threshold compared |
Known issues
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