Housing types. Cataloged.

The national standard for urban density and infill development.

Whether you’re a developer looking to maximize the development yield of a potential project or an urban planner aiming to create more walkable neighborhoods in your city, this interactive standard puts all the information you need in one place

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Showing 79 products
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2 Storey Sixplex

22 - 30 DUA
Site width60 - 80 ft.
Construction typesType V, III

3-Over-1 Compact Podium

30 - 65 DUA
Site width200 - 270 ft.
Construction typesType V, IV, I

3-Over-1 Open Podium

35 - 70 DUA
Site width150 - 200 ft.
Construction typesType V, IV, I

4-Over-1 Open Podium

60 - 120 DUA
Site width120 - 220 ft.
Construction typesType V, IV, I

4-Over-1 Podium

60 - 120 DUA
Site width150 - 270 ft.
Construction typesType V, IV, I

5 Story Mixed Use

60 - 90 DUA
Site width75 - 120 ft.
Construction typesType V, IV, III, I

5-Over-1 Podium

70 - 120 DUA
Site width240 - 280 ft.
Construction typesType V, I

Accessory Dwelling Unit Attached

10 - 22 DUA
Site width60 - 90 ft.
Construction typesType V

Accessory Dwelling Unit Detached

6 - 18 DUA
Site width34 - 60 ft.
Construction typesType V

Accessory Dwelling Unit Detached-Over-Garage

10 - 22 DUA
Site width40 - 80 ft.
Construction typesType V

Backpack

35 - 50 DUA
Site width120 - 160 ft.
Construction typesType V, I

Compact Wide Triplex

20 - 40 DUA
Site width76 - 180 ft.
Construction typesType V, III

Cottage Cluster

13 - 45 DUA
Site width115 - 160 ft.
Construction typesType III, V

Cottage Parking Court

8 - 30 DUA
Site width110 - 130 ft.
Construction typesType V, III

Detached Condominiums

10 - 15 DUA
Site width100 - 140 ft.
Construction typesType V

Dingbat Four

30 - 38 DUA
Site width70 - 90 ft.
Construction typesType V, III

Dingbat Six

35 - 45 DUA
Site width80 - 120 ft.
Construction typesType V, III

Double-Loaded Apartment

50 - 80 DUA
Site width220 - 360 ft.
Construction typesType V, III

Double-Loaded Winged Apartment

90 - 160 DUA
Site width200 - 260 ft.
Construction typesType V, III, I

Duplex (Side-By-Side)

8 - 20 DUA
Site width44 - 75 ft.
Construction typesType V, III

Duplex Front-To-Back

10 - 15 DUA
Site width50 - 65 ft.
Construction typesType V

Duplex Front-To-Back Tuck-Under

15 - 30 DUA
Site width50 - 65 ft.
Construction typesType V, III

Large Courtyard Walkup

20 - 40 DUA
Site width120 - 160 ft.
Construction typesType V, III

Large Point Block

80 - 160 DUA
Site width120 - 180 ft.
Construction typesType IV, I

Large Single Family

4 - 8 DUA
Site width60 - 100 ft.
Construction typesType V, III

Live-Work Unit

10 - 40 DUA
Site width100 - 100 ft.
Construction typesType V, III

Long Quadplex

23 - 30 DUA
Site width45 - 60 ft.
Construction typesType V, III

Long Sixplex

18 - 24 DUA
Site width75 - 100 ft.
Construction typesType V

Long Twelveplex

28 - 45 DUA
Site width90 - 160 ft.
Construction typesType V, III

Medium Courtyard Walkup

22 - 38 DUA
Site width125 - 180 ft.
Construction typesType V, III

Mews (Front-Facing)

20 - 26 DUA
Site width80 - 120 ft.
Construction typesType V, III

Mixed Use Compact Quadplex

45 - 60 DUA
Site width40 - 70 ft.
Construction typesType V

Multiplex Outdoor Stairs

25 - 35 DUA
Site width70 - 120 ft.
Construction typesType V, III

Point-Access on Alley

60 - 80 DUA
Site width40 - 65 ft.
Construction typesType V, III

Quadplex Stacked

18 - 28 DUA
Site width55 - 80 ft.
Construction typesType V, III

Round-Around Eightplex

18 - 30 DUA
Site width125 - 160 ft.
Construction typesType V, III

Sandwich Flats

40 - 55 DUA
Site width95 - 130 ft.
Construction typesType V, III

Semi-Detached

14 - 22 DUA
Site width26 - 30 ft.
Construction typesType V, III

Short Quadplex

20 - 28 DUA
Site width110 - 140 ft.
Construction typesType V

Short Twelveplex

25 - 45 DUA
Site width110 - 160 ft.
Construction typesType V, III

Single and Double Loaded Apartment

65 - 120 DUA
Site width300 - 400 ft.
Construction typesType V

Single Family Narrow A

12 - 15 DUA
Site width34 - 45 ft.
Construction typesType V, III

Single Family Narrow B

12 - 15 DUA
Site width34 - 45 ft.
Construction typesType V, III

Single Family Standard

5 - 12 DUA
Site width50 - 100 ft.
Construction typesType V, III

Single Residency Occupancy

60 - 90 DUA
Site width45 - 80 ft.
Construction typesType V, III

Single-Loaded Apartment

50 - 80 DUA
Site width200 - 360 ft.
Construction typesType V, III, I

Single-Loaded Winged Apartment

70 - 100 DUA
Site width200 - 240 ft.
Construction typesType V, I

Skip-Stop Apartment

35 - 45 DUA
Site width220 - 240 ft.
Construction typesType V, III, I

Small Courtyard Walkup

18 - 35 DUA
Site width95 - 120 ft.
Construction typesType V, III

Small Lot Subdivision

35 - 45 DUA
Site width92 - 120 ft.
Construction typesType V, III

Stacked Duplex

18 - 28 DUA
Site width36 - 50 ft.
Construction typesType V

Stacked Eightplex

26 - 35 DUA
Site width95 - 120 ft.
Construction typesType V, III

Stacked Town over 2 Flats

32 - 50 DUA
Site width30 - 40 ft.
Construction typesType V, III

Three-decker

28 - 40 DUA
Site width35 - 120 ft.
Construction typesType V, III

Towncourts Terrace Condos

18 - 40 DUA
Site width60 - 120 ft.
Construction typesType V, III

Townhouse Condo and Corridor Hybrid

55 - 75 DUA
Site width165 - 220 ft.
Construction typesType V, III, I

Townhouse Condo and Point-Access Hybrid

10 - 40 DUA
Site width100 - 100 ft.
Construction typesType V, III, I

Townhouse Condo Attached Garage

12 - 25 DUA
Site width110 - 180 ft.
Construction typesType V

Townhouse Condo Back-to-Back

38 - 55 DUA
Site width60 - 80 ft.
Construction typesType V, III

Townhouse Condo Carport

15 - 35 DUA
Site width75 - 150 ft.
Construction typesType V, III

Townhouse Condo Detached Garage

12 - 25 DUA
Site width110 - 180 ft.
Construction typesType V

Townhouse Condo Front-To-Back

20 - 32 DUA
Site width40 - 220 ft.
Construction typesType V, III

Townhouse Condo Interlocking

22 - 36 DUA
Site width55 - 220 ft.
Construction typesType V, III

Townhouse Condo Stacked

10 - 40 DUA
Site width100 - 100 ft.
Construction typesType V, III

Townhouse Condo Stacked (Side-By-Side)

10 - 40 DUA
Site width100 - 100 ft.
Construction typesType V, III

Townhouse Condo Tuck-Under

12 - 40 DUA
Site width110 - 180 ft.
Construction typesType V, III

Townhouse Detached

15 - 45 DUA
Site width24 - 36 ft.
Construction typesType V, III

Townhouse Over ADU

15 - 28 DUA
Site width50 - 80 ft.
Construction typesType V

Townhouse Over Flat

15 - 35 DUA
Site width35 - 220 ft.
Construction typesType V, III

Townhouse Rowhousing

10 - 20 DUA
Site width20 - 30 ft.
Construction typesType V, III

Townhouse Rowhousing Micro (Side-By-Side)

40 - 55 DUA
Site width35 - 180 ft.
Construction typesType V

Two-Story Triplex

25 - 35 DUA
Site width50 - 65 ft.
Construction typesType V, III

Village (Townhouses and Cottages)

25 - 60 DUA
Site width200 - 300 ft.
Construction typesType V, III

Wide Eightplex

18 - 30 DUA
Site width100 - 180 ft.
Construction typesType V, III

Wrap-Around 3/4

35 - 80 DUA
Site width330 - 400 ft.
Construction typesType V, III, I

Wrap-Around Accessory Retail

50 - 70 DUA
Site width320 - 450 ft.
Construction typesType V, III, I

Wrap-Around Full

55 - 90 DUA
Site width300 - 350 ft.
Construction typesType V, III, I

Wrap-Around with a Closed Court

45 - 95 DUA
Site width380 - 450 ft.
Construction typesType V, I

Wrap-Around with an Open Court

40 - 60 DUA
Site width350 - 450 ft.
Construction typesType V, I