Love in the Balance by Marianne K. Martin

Accountant Connie Bradford feels her life is changing for the better. Riding high on the crest of a huge promotion, she has finally ended the unsatisfying relationship with her boyfriend. Everything is moving in logical trasition. Until she meets Kasey Hollander. . .

Carpenter Kasey Hollander lives a life of work-centered exclusion. Owner of a successful renovation company she hires Connie to handle her books, and the two quickly hit it off. Since her ex-lover left her hurt and humiliated, Kasey has been determined to play it safe as far as relationships go -- and what could be safer than a platonic friendship with a straight woman?