How many houses does your server have?

[Percyphanie]

...and what size?

Cactuar:
Small-3
Medium-3
Large-1

[Misaki]

Ragnarok:
Small - 1
Medium - 0
Large - 0

[LiadansWhisper]

Balmung:
Small - 0
Medium - 1
Large - 0

[Hiroradius]

Last I checked

3 small houses
2 medium

Gilgamesh

And the market is starting to get flooded with housing pieces (which I don't know why, most fc's aren't going to need to go to the AH to buy them, their members will craft what they need)

[TrystWildkey]

Durandal:

Small - 1
Medium - 0
Large - 0

[ArchimedesVandiir]

As far as I know.
Small: 0
Medium: 0
Large: 0

[Beatdown]

Behemoth
Small: 5
Medium: 1
Large: 0

[CurrySonic]

Adamantoise
small:2
Med:2
Large:1 <--- world first apparently

[Eldelphia]

Siren:

2 small, one in Limsa, one in Gridania

[Axlle10]

Cerberus

only have gridania
1 small
1 medium (Fairy Tail) cause we are awesome ;D'

but i know a couple more FC have them in uldah and Limsa. so i would say about 5-6 total houses, and no one has a large house yet.