Transit-oriented housing overlay districts. Requires certain localities to establish one or more transit-oriented housing overlay districts covering qualifying areas, as defined in the bill, within their boundaries. The bill provides that within such overlay districts, the locality shall permit, by right, a minimum height of six stories and a minimum average density of 30 units per acre within one-quarter of a mile of a major transit stop and allow two units per lot and four units per corner lot between one-quarter of a mile and one mile from a such a stop. The bill further provides that applications for such housing development shall be approved ministerially by the zoning administrator or other designated official and that no public hearing is required for approval. The bill allows certain areas within a locality to be excluded from its provisions and sunsets on September 1, 2030. The bill has a delayed effective date of September 1, 2027.