Your Paradise and Enterprise clients type Las Vegas because their mail says so
Much of the developed valley sits in unincorporated Clark County, so the place words people use almost never match the jurisdiction that will hear the case.
Paradise, Spring Valley and Enterprise are township names on a map and mailing addresses that read Las Vegas. Someone sitting in Enterprise at eleven at night types the words she knows. Sometimes that is Las Vegas, sometimes it is the southwest, sometimes it is nothing but the phrase divorce lawyer near me.
Build one strong core around Las Vegas and Clark County, then decide area by area which named places earn a page of their own. The test is simple. Can you say something on that page that is only true for that area, and would a person there recognize it as accurate?
A page that swaps a neighborhood name into the same six paragraphs is worse than no page. Search engines have seen that pattern for years, and so has the reader who opened three firms in three tabs. Thin duplicates dilute the pages you actually want ranking.
Real area pages carry the things a local knows. Which building the hearing is likely to be in, how long the drive runs at five o'clock, where to park, what to bring. Court practice and assignment do vary, so keep the wording general and tell readers to confirm the current details with the court or their own counsel.