Address 2 unit type

address_2_unit_designationPropertyText

Indicates the type for a secondary address unit, such as Apartment or Suite. Known or imputed for 118.6 million addresses — 100.0% of the addresses Faraday knows.

At a glance

Coverage today
100.0%
Typical coverage
99.1%
Addresses with a value
118.6M
Share in largest category
82.0%
Most values come
from the address
Latest collection
May 1, 2026

How the categories split

n = 118,599,130

Share of addresses in each category. 23 categories, of which the 20 largest are shown, with 82.0% in the largest.

0 - Other
18.0%
1 - No Prefix
82.0%
2 - Trailer
0.0%
3 - Space
0.0%
4 - Lot
0.0%
6 - Basement
0.0%
8 - Lower
0.0%
9 - Rear
0.0%
10 - Side
0.0%
11 - Front
0.0%
12 - Upper
0.0%
16 - Unit C
0.0%
17 - Unit B
0.0%
18 - Unit A
0.0%
23 - Unit
0.0%
24 - Apartment
0.0%
26 - Lobby
0.0%
27 - Office
0.0%
29 - Suite
0.0%
30 - Penthouse
0.0%
All other values
0.0%
Distinct categories
23
Share in largest category
82.0%
Share in top 3 categories
100.0%

Every category

23 categories

The chart above draws the 20 largest. Search here for one it does not.

  • 1 - No Prefix82.00%97,246,729 addresses
  • 0 - Other17.97%21,306,813 addresses
  • 9 - Rear0.01%8,253 addresses
  • 27 - Office0.00%5,805 addresses
  • 12 - Upper0.00%5,725 addresses
  • 24 - Apartment0.00%5,659 addresses
  • 11 - Front0.00%5,501 addresses
  • 6 - Basement0.00%4,996 addresses
  • 8 - Lower0.00%4,638 addresses
  • 10 - Side0.00%980 addresses
  • 30 - Penthouse0.00%829 addresses
  • 18 - Unit A0.00%797 addresses
  • 17 - Unit B0.00%666 addresses
  • 23 - Unit0.00%627 addresses
  • 29 - Suite0.00%232 addresses
  • 4 - Lot0.00%228 addresses
  • 2 - Trailer0.00%225 addresses
  • 26 - Lobby0.00%173 addresses
  • 16 - Unit C0.00%86 addresses
  • 3 - Space0.00%83 addresses
  • 15 - Private Mailbox0.00%70 addresses
  • 28 - Floor0.00%10 addresses
  • 21 - Room0.00%5 addresses

Category shares over time

1 - No Prefix82.0% (largest)

The 5 largest categories, each followed across 12 collections. Estimated from a 1% sample of addresses.

Mar 2024Nov 2024Apr 2025Oct 2025Dec 2025May 2026
1 - No Prefix0 - Other24 - Apartment6 - Basement9 - Rear

Coverage

Latest collection: 119,982,292 addresses

Coverage by state

Percentage of addresses in each state with a value.

Coverage over time

100.0% today

Share of addresses holding a value at each monthly snapshot. A value carries forward for one year.

Jul 23Jun 24Jan 25Apr 25Jul 25Nov 25Feb 26May 26

How we arrive at a value

Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.

On the person — 0%
Not used for this attribute — no value is inherited this way.
From address — 100%
Carried from what we know about the household at their address.
From geography — 0%
Not used for this attribute — no value is inherited this way.

Coverage, in context

Where 100.0% sits on the catalog’s own coverage range.

catalog min 0%max 100%

Higher coverage than 97% of address-level attributes in the catalog

Freshness

How recently this was collected, and how often a new collection arrives. Each bar is the number of addresses in that collection. Gaps are real — collection is periodic, not continuous.

May 1, 2026
latest collection
5 months 4 days
since the latest collection
quarterly
new collection cadence
Mar 24Nov 24Apr 25Oct 25Dec 25Mar 26

Change between collections

The share of addresses whose category changed.

0.0%

of addresses changed value between the two most recent collections — 473.1× steadier than the catalog median of 13.5%.

Contribution ledger

13 ingestions

1 authority contributed since Jul 2023.

ObservedIngestedCountID
2026-05-012026-09-10266,506,942c5492806…
2026-03-012026-07-01264,096,9771181277b…
2026-02-012026-07-02264,777,400af53c569…
2025-12-012026-08-11268,508,09184d6a1c5…
2025-11-012026-08-11268,299,874a071c538…

Technical details

API name
address_2_unit_designation
Category
fig/property
Type · unit
Text
Statistical type
nominal
Allowed values
null
Derivations
Unspecified
Directionality
null
Deprecation
false

In a payload

{
  "attributes": {
    "address_2_unit_designation": "1 - No Prefix"
  }
}