Not sure it’s a common Spring “fever”, or the 2~5% /year inflation? One more case, MLS 066102761, its Original List Price (for the same plan) was $435,000, now 478,900. The builders might play some numbering games now, such as including ~20K incentives/upgrades, but the listing price in the CV area does increase a little. Those who have the access to the sales database can show us with more details.