Site-built one-bedroom ADUs with a true separate bedroom, full kitchen, and private entrance, built on your lot like a house across Santa Barbara and Ventura County. A permanent home of its own, designed around your property and built to the same standard as the main house.
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Hive builds one-bedroom ADUs site-built on your lot from foundation to final inspection, each a true one-bedroom with its own kitchen, bath, and private entrance. Turnkey pricing starts at $224,618, with every layout engineered for real Santa Barbara and Ventura County lots, setbacks, and code. As a 100% ADU-focused local design-build team, we handle design, permitting, and construction under one contract, with no hidden allowances. Browse the plans below, and we will help you find the one that fits.
Model I-880
Model I-380
Model I-725
Model I-660
Model I-585
Model I-490
Model I-700
Every plan here can be adjusted, and we design and build fully custom ADUs across Santa Barbara and Ventura County. Start with a model you like, then we tailor the layout to your lot, your needs, and your budget.
SITE-BUILT, NOT PREFAB
Your ADU is poured, framed, and finished right on your property, on its own foundation, the same way a house is built. The result is a permanent structure that matches your home and holds its value.
Constructed like a traditional house, because it is one.
LONG TERM VALUE
A site-built one-bedroom ADU is a permanent addition to your property, not a temporary structure. It expands your square footage, adapts as your needs change, and adds lasting value to real estate you already own, in two of California’s strongest markets.
An investment that lives on your lot.
SANTA BARBARA & VENTURA COUNTY
The smaller plans fit where space is tight; the larger ones add room without going to two bedrooms. Every plan is fit to your lot rather than forced onto it.
One contract covers design, engineering, permitting, site work, and construction through final inspection. Real pricing, no hidden allowances.
A guest house, multigenerational living, a home office, or space for parents or adult children, each with its own kitchen, bath, and entrance.
Hive handles permitting in Santa Barbara and Ventura County, building to current California ADU code and local coastal, fire, and septic conditions.
FREQUENTLY ASKED
Send us your lot and how you plan to use the space. We will tell you which one-bedroom layouts fit your setbacks and budget.
Turnkey pricing starts at $224,618, one contract covering design, permitting submittal, and construction. Where your build lands within the lineup depends mostly on the square footage you choose, with site conditions like foundation work and utility connections confirmed up front in a free property analysis, so the number you agree to is the number you build to.
Every Hive ADU is site-built on your property, on its own foundation, framed and finished in place like a house.
See the layouts above for current sizes. Each is a full one-bedroom with its own kitchen, bath, and entrance, and any plan can be adjusted to fit your lot. If none of them is quite right, our in-house team designs custom detached ADUs from the ground up.
Every plan can be adjusted, and we also design fully custom ADUs. Start with a model you like, then we tailor it to your lot, needs, and budget.
Santa Barbara and Ventura County only. Being 100% ADU-focused and local means every plan is built around real lot conditions, setbacks, and code in both.
