Okla. Stat. tit. 43A, § 43A-3-417.1: Transitional living centers and halfway houses –

Nondiscriminatory zoning laws.

Any transitional living center or halfway house, as defined in

Section 3-403 of this title, shall be subject to the

nondiscriminatory zoning laws of the state, county or municipality

in which located, and the location of such facility is specifically

prohibited within one thousand (1,000) feet of any public or private

elementary or secondary school. Provided, that if any public or

private elementary or secondary school shall be established within

the prohibited distance from any such facility after such facility

has been in use as a transitional living center or halfway house,

this shall not be a bar to the continued use of the facility as

designated so long as it remains in continuous use as designated.

The distance indicated in this section shall be measured from the

nearest property line of the school to the nearest property line of

the transitional living center or halfway house. The provisions of

this section shall not apply to any transitional living center or

halfway house established prior to the effective date of this act.