Welcome to
Kasitas, a home for everyone.
A clean, modular — and affordable — home's and more.
about us
Kasitas, a home for everyone.
Expand your home overnight with bright, elevating, comfortable studio space for work or rest.​ ​Our modular studios and accessory dwellings are made-to-order and customized in concert with you.
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Bring you a, high quality, affordable homes.
for years starting any construction project has be intimidating. We created Kasitas to provide a solution for homeowners.
homes for everyone.
The Office
Perfect for people seeking a cozy retreat or a home office.
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homes for everyone.
The Single
Great addition to any house needing a guest house designed to accommodate any house.
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homes for everyone.
The Custom
Highly functional home perfect for optimizing land for living spaces.
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What is a Kasita?
for years starting any construction project has be intimidating. We created Kasitas to provide a solution for homeowners to add beautiful workspace and living space at an affordable price
Pre-approved Designs
Bay Modular works directly with CA HCD as a permitted manufacturer, i.e. Foundation, electrical, sewer and water supply.
Cost effective
Roughly half the price of a regular house, all our materials are ordered to spec.
Dependable and Durable
We’ve created a full-service system, we’ll work with you every step of the way to ensure an on-time, on-budget product.
We do 100% of the work
Our service includes everything from the site preparation and foundation to the final utility hookup and everything between.
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All modules are designed for versatility and comfort.
We use the highest quality and most innovative building materials on the market, starting with Structural Insulated Panels to create a seamless building envelope,
Smooth Set Up
within USA Our offsite construction makes delivery and installation an easy plug and play solution that avoids all the interruptions and management associated with traditional building methods. No need to manage contractors, change orders, or deal with messy construction sites.
Most Affordable Home
We provide elevating space with inspiring designs through easily accessible solutions. We reduce the risks associated with traditional building approaches by creating transparent fixed pricing, and convenient plug and play solutions.  
Granted Good Investment
We customize each studio, turning your dreams into our designs, to produce beautiful, functional, down-to-earth spaces that prioritize your well-being. Our designs take advantage of the opportunity to create a container in closer proximity to nature, and then support our relationship with it.