Weather Underground PWS KCALIVER86


If you need to change your mailbox lock, it is a "USPS-L-1172C" lock. Here is an example of one online - CLICK HERE

Please note: There are two models, one that turns clockwise (to the right) - CompX National Model C9100 and one that turns counter-clockwise (to the left) - CompX National Model C9200. Please make sure you select the one that turns clockwise (to the right) - Model C9100.


Welcome to the Castilleja del Arroyo HOA website. If you have any questions or comments, please contact us.


We have completed the pool renovation project. This project has significantly improved the pool area, both in size and quality. This improvement should also help increase the value of your property. Please CLICK HERE to see some pictures.

New Air Conditioner Rules

New Unit Air Conditioner Rules are now in effect. Window air conditioners over paths of travel, such as sidewalks, are no longer allowed. However, you can still install a window air conditioner if the window is not over a path of travel, but a waiver form must be submitted prior to installation. You can find both the new rules and the waiver form on the Documents page of this website.

Please note that air conditioners currently installed and not in compliance with the new rules need to be removed immediately.


On-Site Manager
Greg Knowles, CCAM
(925) 290-7456

Off-Site Manager
NAM - Nathan Mitchell
(925) 243-1797 x103

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