Breaking Samara closes $34M Series B, led by Thrive Capital Mexicali factory now 350,000 sq ft First post-fire install lands in Altadena California ADU market = the world's largest Backyard XL 10 - 950 sq ft, 2 bed, fully prefab Joe Gebbia, Mike McNamara at the helm ~200 employees Breaking Samara closes $34M Series B, led by Thrive Capital Mexicali factory now 350,000 sq ft First post-fire install lands in Altadena California ADU market = the world's largest Backyard XL 10 - 950 sq ft, 2 bed, fully prefab Joe Gebbia, Mike McNamara at the helm ~200 employees
Profile / Company / Climate & Housing

Samara.

The Airbnb co-founder spent a decade renting out spare rooms. Now he's building them - in a factory, with solar on the roof, and a permit packet already on the way.

Founded 2022 HQ Redwood City, CA Stage Series B Raised $75M+
Samara Backyard prefab home
Samara's Backyard - photographed before the homeowner moved the lawn chairs.
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It is a clean Tuesday morning in a Bay Area cul-de-sac, and a flatbed truck has parked across a homeowner's lawn. Inside three crates: a house. Two days from now there will be a kitchen on this spot, a bedroom, a bathroom, a roof full of solar. The neighbors will not even hear the framing crew, because there is no framing crew. This is what Samara does for a living - and it is, despite the magic-trick presentation, a deeply mundane business: making it easier for one homeowner at a time to add square footage they already have the right to.

Who they are, today

A house factory hiding inside a startup

Samara is a prefab housing company based in Redwood City, California. It manufactures and installs Backyard - a line of factory-built accessory dwelling units (ADUs) ranging from a 430-square-foot studio to the new XL 10, a 950 sq ft two-bed/two-bath. The product is recognizably modern: pitched solar roof, large windows, careful proportions. The business behind it is less photogenic and arguably more interesting: a vertically integrated operation that handles design, permitting, manufacturing, financing, delivery and install.

It would be easy to describe Samara as another Silicon Valley reinterpretation of an old industry. Easy, and a little too flattering. The actual claim is narrower and harder to argue with: California has a housing shortage, California legalized ADUs, almost nobody enjoys building one, and someone should pick up the phone.

We took the parts of homebuilding that homeowners hate the most and put them in our scope of work. - the Samara pitch, distilled

The problem

California built itself into a corner

The state's housing math is, by now, a familiar headache. Decades of restrictive zoning, expensive labor, and slow permitting produced an undersupply that pushes prices to absurd places. In 2017 the legislature began rolling back the rules around ADUs - granny flats, in-laws, casitas - in an attempt to let homeowners add density without bulldozing single-family neighborhoods. Permits for ADUs in California have surged into the tens of thousands per year. There is now, officially, the largest accessory-dwelling market on earth.

Officially. In practice, almost any homeowner who has tried to actually build one will tell you the same story: a builder who is impossible to schedule, a design that took six months to finalize, a permit office that lost a drawing, a budget that slipped by 40%, a project that was supposed to take eight months and is now in month twenty. The market is there. The execution is, politely, not.

The hard part of an ADU isn't the design. It's the eighteen months of nobody calling you back. - the unspoken thesis

The bet

Joe Gebbia, again

Samara began life inside Airbnb. Joe Gebbia, the company's RISD-trained co-founder, ran an internal studio exploring what he called "new futures" - among them, what hospitality looks like when the asset isn't a spare room but a whole structure in someone's yard. In 2022, Samara spun out as an independent company, with Gebbia as chairman and Mike McNamara - longtime manufacturing leader - eventually taking the CEO seat.

The founding bet is unusually concrete for a Bay Area startup: the path to better housing in California does not run through a software platform. It runs through a factory floor, a permit office, and a flatbed truck. Samara would own all three.

That bet sounded, in 2022, like a heavy lift. Three years later it looks slightly less heavy. In February 2024 Samara acquired its own factory in Mexicali, Mexico - 150,000 sq ft, then expanded to 350,000 - bringing manufacturing fully in-house. In September 2025 the company raised a $34M Series B led by Thrive Capital, on the back of more than $100M in project value across the state in the prior year.

$75M+Total funding
350KSq ft factory
5Backyard models
~200Employees

The product

A house, but with a model number

The Backyard catalog now spans five models: Studio, One Bedroom, Two Bedroom, XL 8 and XL 10. The smallest starts at $152,000 plus installation; the largest pushes past $300,000 fully landed. Each is configured online - cladding, roof color, floor plan, appliance package - in a process that resembles spec'ing a car more than designing a home. The order goes to Mexicali, where the unit is built indoors, in a controlled environment, on a schedule. It is delivered as modules and assembled on site in days, not seasons.

Two design choices stand out. First, every Backyard ships solar-ready or solar-included, with a target of being more than twice as energy efficient as a like-sized conventional home. Second, Samara handles the permitting paperwork itself, rather than handing the homeowner a stack of forms and a number for the city.

If you have ever ordered a couch, you understand the appeal.

The factory isn't the innovation. The factory is the boring part. The innovation is that you, the homeowner, never have to think about it. - on Samara's design choices

A short history of a long bet

2016
Samara is born inside Airbnb as an internal innovation studio led by Joe Gebbia, exploring housing and hospitality experiments.
2022
The spinoff. Samara becomes an independent company. Backyard launches with two models. $41M Series A follows.
2024
The factory. Samara acquires its Mexicali manufacturing facility, bringing production fully in-house.
2024
Samara financing launches, addressing the second-biggest blocker after permits: how to pay for it.
2025
Wildfire response. Samara installs its first modular ADU for an Altadena homeowner displaced by California's January fires.
2025
$34M Series B led by Thrive Capital. More than $100M in California project value in the prior 12 months.

The Samara math, in three numbers

Energy efficiency vs. a same-size traditional home // approximate
Backyard ADU
2x+
Code-built home
1x
Older housing stock
~0.6x
Source: Samara product claims. Bars are illustrative, not lab data. Your utility bill will, eventually, be more honest.

The proof

Permits, partners, and a wildfire

Three data points are doing real work for Samara right now. The first is throughput: over $100M in California project value in a single year leading into the 2025 raise, a number that suggests homeowners are not, in fact, being scared off by sticker price. The second is the factory. Owning Mexicali means Samara controls the production schedule, the materials, and the unit cost - the three things that have historically kept prefab from scaling. The third is harder to put on a deck. In early 2025, after the Altadena fires, Samara delivered and installed a modular home for a displaced resident. That is not yet a business line. It is, however, a glimpse of one.

The investor list reads accordingly. Thrive Capital led the Series B; the company has been covered, often warmly, in Fast Company, TechCrunch, TIME and the Wall Street Journal. None of that buys a permit. But it does buy attention from the kind of homeowner who has been wondering whether the second bedroom is worth the headache.

Backyard, installed
Imagine: nine days from delivery, a homeowner walks through a kitchen that did not exist on Monday. The dog, predictably, is unimpressed.

The mission

Build the boring thing well

Ask Samara what it is doing and the answer is unfussy: making sustainable, well-designed housing easier to build and easier to own. There is no flag-planting about reinventing cities, no promise of a 3D-printed future. The company's vision statement - "a better future starts in your own Backyard" - is almost stubbornly literal. Backyards already exist. The houses can be smaller. The roofs can have solar. The math can work if someone does the boring parts on the customer's behalf.

This is, depending on your taste, either disappointingly modest or the most honest thing a housing startup has said in a decade.

Backyards are the most under-utilized real estate in California. Samara is essentially a logistics company for them. - a sympathetic observer

Tomorrow

Why this matters past California

The Samara thesis only really pays off if it stops being a California story. The state was the proof of concept; the country - and a growing list of jurisdictions that have followed California's ADU reforms - is the actual market. With a factory that can produce at scale, financing that travels, and a permit process that can be re-templated city by city, the structural pieces are in place. The constraint is not demand, and increasingly not supply. It is the speed at which Samara can stand up new local operations without watering down the experience that made the company worth talking about in the first place.

If they get that right, the long arc of prefab housing - a hundred-year tradition of well-intentioned failures - finally bends. If they don't, they will still have built tens of thousands of small, beautiful, energy-efficient houses for people who needed the space. That is, by most reasonable standards, not a bad consolation prize.

Back to the cul-de-sac

Return to the flatbed and the lawn. The crates open, the modules come together, and within forty-eight hours there is a home where there was grass. A homeowner has gained square footage. A renter, probably a relative, will move in this spring. The roof, even on an overcast Tuesday, has started to push electrons back into the grid. None of this is dramatic. None of it would make a magazine cover, except that someone, for the first time at scale, made it almost easy.

That is the company. That is the bet. Samara is building the most boring kind of revolution: the kind that arrives by truck.