Anchorage, AK Zoning

Districts

com 13res_mf 8spec 8res_sf 7mu 5

Code	Name	Category	Min lot	Height	Coverage	FAR	Du/ac	Parking	Setbacks F/S/R
R-1 SF Residential	R-1 SF Residential	res_sf	6,000 sf	30 ft	0.3	0.5	—	2	20 / 10 / 5
R-1A SF Residential	R-1A SF Residential (larger lot)	res_sf	8,400 sf	30 ft	0.3	0.5	—	2	20 / 10 / 5
R-2A 2F Residential	R-2A 2F Residential (larger lot)	res_sf	7,200 sf	30 ft	0.4	0.5	—	2	20 / 10 / 5
R-2D 2F Residential	R-2D 2F Residential	res_sf	6,000 sf	30 ft	0.4	0.5	—	2	20 / 10 / 5
R-2F Mixed Residential 1	R-2F Mixed Residential 1	res_sf	6,000 sf	35 ft	0.4	0.5	—	2	20 / 10 / 5
R-2M Mixed Residential 2	R-2M Mixed Residential 2	res_sf	6,000 sf	30 ft	0.4	0.5	—	2	20 / 10 / 5
R-3 MF Residential 1	R-3 MF Residential 1	res_mf	3,000 sf	35 ft	0.4	0.5	—	2	20 / 10 / —
R-4 MF Residential 2	R-4 MF Residential 2	res_mf	3,000 sf	35 ft	0.4	0.5	—	2	20 / 10 / —
R-4A MF Residential MU	R-4A MF Residential MU	res_mf	2,000 sf	35 ft	0.6	0.5	—	2	20 / 15 / —
R-5 Low Density Residential	R-5 Low Density Residential	res_mf	7,000 sf	30 ft	0.3	0.5	—	2	20 / 10 / 5
R-6 Low Density	R-6 Low Density (1 acre)	res_mf	43,560 sf	35 ft	0.3	0.5	—	2	50 / 50 / 25
R-7 SF Residential	R-7 SF Residential (20K)	res_mf	20,000 sf	35 ft	0.3	0.5	—	2	25 / 20 / 10
R-8 Low Density	R-8 Low Density (4 acres)	res_mf	174,240 sf	35 ft	0.05	0.5	—	2	25 / 25 / 15
R-9 Low Density	R-9 Low Density (2 acres)	res_mf	87,120 sf	35 ft	0.05	0.5	—	2	25 / 25 / 15
R-10 Alpine/Slope	R-10 Alpine/Slope	res_sf	5,000 sf	30 ft	0.1	0.5	—	2	25 / — / 10
B-1A Local/Neighborhood Business	B-1A Local/Neighborhood Business	com	6,000 sf	30 ft	0.5	0.5	—	2	10 / 15 / 10
B-1B Community Business	B-1B Community Business	com	6,000 sf	40 ft	0.5	0.5	—	2	10 / 15 / 15
B-3 General Business	B-3 General Business	com	6,000 sf	45 ft	0.5	0.5	—	2	10 / 15 / 15
—	— (residential uses in B-3)	com	6,000 sf	45 ft	0.5	0.5	—	2	10 / 10 / 5
DT-1 Downtown Core	DT-1 Downtown Core	com	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
DT-2 Downtown Mixed-Use	DT-2 Downtown Mixed-Use	com	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
DT-3 Downtown MU Residential	DT-3 Downtown MU Residential	com	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
RO Residential Office	RO Residential Office	com	6,000 sf	45 ft	0.5	0.5	—	2	10 / 15 / 10
—	— (residential uses in RO)	com	6,000 sf	45 ft	0.5	0.5	—	2	10 / 10 / 5
MC Marine Commercial	MC Marine Commercial	com	6,000 sf	90 ft	0.5	0.5	—	2	10 / — / —
I-1 Light Industrial	I-1 Light Industrial	com	6,000 sf	50 ft	0.5	0.5	—	2	10 / — / 20
I-2 Heavy Industrial	I-2 Heavy Industrial	com	6,000 sf	35 ft	0.5	0.5	—	2	10 / — / 40
MI Marine Industrial	MI Marine Industrial	com	6,000 sf	50 ft	0.5	0.5	—	2	10 / — / —
NMU	Neighborhood Mixed-Use	mu	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
CMU	Community Mixed-Use	mu	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
RMU	Regional Mixed-Use	mu	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
MT-1	Midtown Core	mu	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
MT-2	Midtown General	mu	5,000 sf	35 ft	0.5	0.5	—	2	25 / 25 / 10
AF Antenna Farm	AF Antenna Farm	spec	87,120 sf	35 ft	0.5	0.5	—	2	50 / — / —
DR Development Reserve	DR Development Reserve	spec	217,800 sf	35 ft	0.2	0.5	—	2	25 / 25 / 10
PR/PLI Parks / Public Lands	PR/PLI Parks / Public Lands	spec	6,000 sf	45 ft	0.45	0.5	—	2	25 / 25 / 10
TA Turnagain Arm (with sewer	TA Turnagain Arm (with sewer, residential)	spec	10,400 sf	35 ft	0.3	0.5	—	2	20 / — / —
residential)	TA Turnagain Arm (with sewer, residential)	spec	10,400 sf	35 ft	0.3	0.5	—	2	20 / — / —
TA Turnagain Arm (without sewer	TA Turnagain Arm (without sewer, Bird Creek/Indian/Portage)	spec	108,150 sf	35 ft	0.2	0.5	—	2	25 / — / —
Bird Creek/Indian/Portage)	TA Turnagain Arm (without sewer, Bird Creek/Indian/Portage)	spec	108,150 sf	35 ft	0.2	0.5	—	2	25 / — / —
WS Watershed	WS Watershed	spec	5,000 sf	50 ft	0.05	0.5	—	2	25 / 25 / 10

Confidence: confirmed partial under review not found

Overlays

A

AHO

spec

height cap (ft)	100

F

FHO

spec

Applies to: Residential, Commercial, Mixed-Use, Office

coverage adjustment (%)	-10
setback addition (ft)	15

TCOD

Town Center

DT

Applies to: Residential, Commercial, Office, Mixed-Use

height multiplier	-0.05
setback addition (ft)	5

SL

Special Limitations

spec

Applies to: Residential, Commercial, Office, Mixed-Use

height multiplier	-0.05

Adopted building codes

Anchorage; rest per local

2021

2018

2017

2021

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

Formulas

Definitions

height: Grade to highest point of structure.
lot_coverage: Building footprint / lot area.
far: Gross floor area / lot area.
du_ac: Dwelling units per gross acre.
setback_front: Front property line to nearest building face.
setback_side: Side property line to nearest building face.
setback_rear: Rear property line to nearest building face.
parking: Spaces per dwelling unit unless noted.

Capacity calculations

max_footprint_sf: lot_area_sf * lot_coverage
max_gfa_sf: lot_area_sf * far
buildable_width_ft: lot_width_ft - setback_side_ft * 2
buildable_depth_ft: lot_depth_ft - setback_front_ft - setback_rear_ft
max_stories_approx: max_height_ft / 10

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.

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Max height

— ft

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Floor area ratio

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Lot coverage

—%

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Setbacks (F / S / R)

— ft

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Parking

— /unit

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Max density

— du/ac

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Min lot size

— sf

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District	Category	Height	FAR	Coverage	Setbacks	Parking	Density	Min lot	Overlays

Research status

Data quality

10%completeness8 confirmed64 partial11 inferred

Documented gaps

Quirks not populated — requires markdown source review

Known issues

schema:v1-legacypriority:lowdata:gaps-present

Related pages

Every city in the corpus is connected to the broader wiki. Use these links to cross-check applicable laws, codes, and concepts.