Lake Tahoe Truckee | Residential Design · Land Use Planning · Permit Plans
ACCESSORY DWELLING UNITS - ADU PROJECTS
ACCESSORY DWELLING UNITS - ADU PROJECTS
California
300 - 1200 SF
GARAGE CONVERSIONS
ATTACHED / DETACHED ADUs
Project Team
Designer:
MASTRIDICASA
Contractor:
Various
Structural Engineer:
Various
Interior Designer:
Various
Sometimes a few hundred square feet can change what an entire property is capable of.
A place for a parent to live nearby without giving up independence. Somewhere for grown children to come home to. A guest house that actually gives guests some privacy. Rental income. Caregiving. A quieter place to work. Or simply the freedom to use the property differently as needs change.
The ADU projects shown here range from garage conversions and lower-level remodels to detached cottages and additions to existing homes.
The square footage may be modest. The design questions rarely are.
A complete home still has to fit inside: privacy, natural light, storage, kitchen and bath, utilities, structure, access, outdoor space, and a comfortable relationship to the primary residence. Every foot has to work harder, and every project begins with a different property and a different reason for building it.
Done well, an ADU gives you more than another building. It gives you choices — about who can stay, how independently they can live, and what your property can do for you years from now.
600SF ADU - SECTION
Six hundred square feet leaves very little room for casual decisions.
Entry, circulation, privacy, storage, kitchen and bath planning, daylight, and outdoor relationships all have to coexist without allowing one requirement to consume the plan.
Studying the unit in section helped test those relationships vertically as well as horizontally, making better use of height, openings, and the connection between inside and out.
Small does not have to feel cramped.
The reward is a compact home where someone can cook, sleep, work, relax, and have people over without constantly being reminded that the floor plan is only 600 square feet.
NAPA GARAGE CONVERSION
An existing garage can look like an obvious place for an ADU.
The real question is whether it can become somewhere anyone would actually want to live.
Slab elevations, structure, insulation, utilities, fire separation, drainage, openings, and privacy all have to be reconsidered before a space designed for cars can become a comfortable residence.
The advantage is substantial: much of the building already exists.
The design work is about making sure the finished home does not continue to feel like a converted garage.
What was once storage for cars can become a private place for a parent, guest, tenant, or family member to have a front door and space of their own.
DETACHED ADU TRUCKEE
A detached ADU offers something an attached unit cannot: physical separation.
That can mean greater privacy for both households, more flexibility in placement, and a stronger sense that the smaller residence is genuinely a home of its own.
Independence brings its own design questions — access, utilities, setbacks, parking, outdoor space, views, and the relationship between two buildings sharing one property.
The goal is separation without isolation.
Close enough for dinner, helping with the kids, or checking in when someone needs you. Far enough away that everyone can close their own door at the end of the evening.
COMPACT PLANNING
Compact planning is an exercise in priorities.
Every foot devoted to circulation, storage, mechanical systems, or structure comes from somewhere else, so the rooms have to work together as a whole rather than as a collection of miniature versions of larger spaces.
A good small plan does not feel as though everything was squeezed in.
It feels as though very little was wasted.
That leaves more room for the things someone living there will actually notice: daylight, a comfortable place to sit, enough kitchen to cook a real meal, useful storage, and room to have somebody over.
LOWER LEVEL ADU CONVERSION NAPA
Sometimes the opportunity is already inside the house.
A lower-level conversion can create an independent residence without adding another building to the property, but the work is more than dividing off a basement and adding a kitchen.
Access, ceiling height, natural light, privacy, utilities, fire separation, and the relationship to the primary residence all determine whether the new unit feels independent or simply borrowed from the house above.
Existing square footage can become considerably more valuable when it is reorganized intelligently.
For the owner, that can mean a parent nearby, a tenant with real privacy, or a place for family to stay for months instead of days — without expanding the footprint at all.
ATTACHED ADU NAPA
An open-air breezeway between the existing residence and garage created the opportunity for this attached ADU.
Enclosing and reorganizing that in-between space allowed the unit to gain independent living area while taking advantage of construction that was already there.
It is a good example of an ADU beginning not with the question:
“Where can we put another building?”
But with a better one:
“What can this property already give us?”
The answer was a new residence with its own identity and privacy, closely connected to the existing property without requiring another detached structure.
A space that had mostly been passed through became somewhere another person could genuinely call home.
