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XLooking to Build a Granny Flat in Your Backyard? Meet the Firms and Designs Pre-Approved in LA
Favot is an award-winning journalist and adjunct instructor at USC's Annenberg School for Communication and Journalism. She previously was an investigative and data reporter at national education news site The 74 and local news site LA School Report. She's also worked at the Los Angeles Daily News. She was a Livingston Award finalist in 2011 and holds a Master's degree in journalism from Boston University and BA from the University of Windsor in Ontario, Canada.
Adding a backyard home in Los Angeles is now nearly as easy as buying a barbecue.
Homeowners who for years have wanted to build a granny flat in their backyard, but dreaded the red tape, can now choose from 20 pre-designed homes that the city has already approved for use.
The shift, made official last week, will speed up a weeks-long process and bring more badly needed units to an overpriced market. It also has the potential to elevate the 14 startups and firms building the next generation of homes.
The designs for the stand-alone residences range from a 200-square-foot studio to a 1,200-square foot, two-story, two-bedroom unit. And many of the homes are filled with design flourishes, reflecting the diverse architecture of the city, from a house in the silhouette of a flower to one with a spiral outdoor staircase leading to the roof.
It's no surprise. The program was spearheaded by Christopher Hawthorne, a former architecture critic at the Los Angeles Times and now the city's chief design officer.
The firms are primarily local and startup architecture and design firms, while others are well-known with a history of building granny flats, also know as accessory dwelling units, or ADUs.
The standard plans avoid the Los Angeles Department of Building and Safety's typical four-to six-week review process and can allow approvals to be completed in as quickly as one day.
Some aspects of the plans can be modified to fit a homeowner's preferences. Eight other designs are pending approval.
Mayor Eric Garcetti believes by adding more such units, the city can diversify its housing supply and tackle the housing crisis. Recent state legislation made it easier to build the small homes on the lot of single-family residences. Since then, ADUs have made up nearly a quarter of Los Angeles' newly permitted housing units.
Because construction costs are relatively low for the granny flats – the pre-approved homes start at $144,000 and can go beyond $300,000 – the housing is generally more affordable. The median home price in L.A. County in January was $690,000.
Here's a quick look at the designs approved so far:
Abodu

Abodu
Abodu, based in Redwood City in the Bay Area, exclusively designs backyard homes. In 2019, it worked with the city of San Jose on a program similar to the one Los Angeles is undertaking.
In October, it closed a seed funding round of $3.5 million led by Initialized Capital.
It has been approved for a one-story 340-square-foot studio, a one-story one-bedroom at 500 square feet, and a one-story, 610-square-foot two-bedroom.
The pricing for the studio is $189,900, while the one-bedroom costs $199,900 and the two-bedroom is $259,900.
Amunátegui Valdés Architects
Led by Cristobal Amunátegui and Alejandro Valdés, the firm was founded in 2011 and has offices in Los Angeles and Santiago, Chile. Amunátegui is an assistant professor at the Department of Architecture and Urban Design at UCLA.
The firm designs work in various scales and mediums, including buildings, furniture and exhibitions.
Its one-story, two-bedroom with a covered roof deck 934-square-foot unit is pending approval from the city.
Connect Homes
Connect Homes has a 100,000-square foot factory in San Bernardino and an architecture studio in Downtown L.A.
It specializes in glass and steel homes and has completed 80 homes in California. Its designs have an aesthetic of mid-century modern California residential architecture.
It has two one-bedroom models pre-approved by the city, one is 460 square feet, which costs $144,500 with a total average project cost of $205,000. The other is 640 square feet, which costs $195,200 with a total project cost of $280,000.
Design, Bitches
The Los Angeles-based architectural firm founded in 2010 describes itself as having a "bold and irreverent vision." Its projects include urban infill ground-up offices to single-family homes, adaptive re-use of derelict commercial buildings and renovations of historic landmarks.
Its pre-approved design, named "Midnight Room," is a guest house/ studio. Its bedroom can be left open for a loft feel or enclosed as a separate room. The design is a one-story, one-bedroom at 454 square feet.
Escher GuneWardena Architecture
Founded in Los Angeles in 1996, Escher GuneWardena Architecture has received international recognition and has collaborated with contemporary artists, worked on historical preservation projects and more.
The company has been approved for two different one-story, one- or two-bedroom units, one at 532 square feet with an estimated cost of $200,000 and another at 784 square feet with an estimated cost of $300,000. The firm noted the costs depend on site conditions and do not include soft costs. Those could add 10% to 12% to the total construction costs.
First Office
First Office is an architecture firm based in Downtown Los Angeles. Its approved ADUs will be built using prefabricated structural insulated panels, which allow for expedited construction schedules and high environmental ratings.
The interior finishes include concrete floors, stainless steel counters and an occasional element of conduit.
There are five options:
- A one-story studio, 309 to 589 square feet
- A one-story one-bedroom, 534 to 794 square feet
- And a one-story two-bedroom, 1,200 square feet
Fung + Blatt Architects

Fung + Blatt Architects is a Los Angeles-based firm founded in 1990.
The city has approved its 795-square-foot, one-story, one-bedroom unit with a roof deck. It estimates the construction cost to be $240,000 to $300,000, excluding landscape, site work and the solar array. Homeowners can also expect other additional costs.
Taalman Architecture/ IT House Inc.
The design team behind "IT House" is Los Angeles-based studio Taalman Architecture. Over the past 15 years, IT House has built more than 20 homes throughout California and the U.S.
The IT House ADU standard plans include the tower, bar, box, cube, pod and court.
The city has approved four options, including:
- A two-story including mechanical room, 660 square feet
- A two-story including mechanical room, 430 square feet
- A one-story studio, 200 square feet
- A one-story including mechanical room, 700 square feet
The firm also has another two projects pending approval: a 360-square-foot one-story studio and a one-story, three-bedroom at 1,149 square feet.
LA Más
LA Más is a nonprofit based in Northeast Los Angeles that designs and builds initiatives promoting neighborhood resilience and elevating the agency of working-class communities of color. Homeowners who are considering their design must commit to renting to Section 8 tenants.
The city has approved two of LA Más' designs: a one-story, one-bedroom, 528 square feet unit and a one-story, two-bedroom, 768 square feet unit. The firm has another design for a one-story studio pending approval. That design would be the first 3D-printed ADU design in the city's program.
Jennifer Bonner/MALL

Massachusetts-based Jennifer Bonner/MALL designed a "Lean-to ADU" project, reinterpreting the stucco box and exaggerated false front, both Los Angeles architectural mainstays.
The design has been approved for a 525-square-foot one-story, one-bedroom unit with a 125-square-foot roof deck.
sekou cooke STUDIO

New York-based sekou cooke STUDIO is the sole Black-owned architectural firm on the project.
"The twisted forms of this ADU recalls the spin and scratch of a DJ's records" from the early 90s, the firm said.
Its design, still pending approval, is for a 1,200-square-foot, two bedroom and two bathroom can be adapted to a smaller one-bedroom unit or to include an additional half bath.
SO-IL

New York-based SO-IL was founded in 2008. It has completed projects in Leon, Seoul, Lisbon and Brooklyn.
Its one-story, one-bedroom 693-square-foot unit is pending approval. It is estimated the construction cost will be between $200,000 and $250,000.
WELCOME PROJECTS

Los Angeles-based Welcome Projects has worked on projects ranging from buildings, houses and interiors to handbags, games and toys.
Its ADU is nicknamed The Breadbox "for its curved topped walls and slight resemblance to that vintage counter accessory."
It has been approved for a one-story, one-bedroom 560-square-foot unit.
wHY Architecture
Founded in 2004, wHY is based in Los Angeles and New York City. It has taken on a landmark affordable housing and historic renovation initiative in Watts.
Its one-story, one- or two-bedroom 480 to 800-square-foot unit is pending approval.
Firms that want to participate in the program can learn more here . Angelenos interested in building a standard ADU plan can learn more the approved projects here.
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Favot is an award-winning journalist and adjunct instructor at USC's Annenberg School for Communication and Journalism. She previously was an investigative and data reporter at national education news site The 74 and local news site LA School Report. She's also worked at the Los Angeles Daily News. She was a Livingston Award finalist in 2011 and holds a Master's degree in journalism from Boston University and BA from the University of Windsor in Ontario, Canada.
🔦 Spotlight
Hey there, Los Angeles.
For the past decade, Alex Heath has made a career out of figuring out what the technology industry is doing before everyone else.
Now, he is going to invest in it.
Heath announced this week that he is joining Los Angeles-based Sound Ventures as a partner on its investing team. The veteran technology journalist will continue independently operating Sources, the newsletter and podcast business he launched after leaving The Verge last year.
It is an unusual career move, but perhaps not as unusual as it initially appears.
Journalists and venture capitalists spend much of their time doing surprisingly similar work. Both look for signals before they become obvious, build relationships with people who know what is coming next and attempt to distinguish a lasting shift from a convincing story.
The crucial difference is what happens after they find one.
A journalist publishes. An investor writes a check.
Heath has spent years reporting on some of the technology industry’s most powerful companies and executives. At The Verge, where he served as deputy editor, his work focused on the internal decisions shaping companies such as Meta. More recently, Sources has taken readers inside the AI race through reporting and interviews with executives including Sam Altman and Mark Zuckerberg.
That experience gives Sound something venture firms increasingly want: someone who already understands the founders, companies and narratives competing to define the next era of technology.
Sound Ventures is not exactly starting from scratch. Led in Los Angeles by Guy Oseary and Effie Epstein, the firm manages nearly $2B and has backed companies including OpenAI, Anthropic, World Labs, Brex, Affirm and GitLab. According to The Wall Street Journal, Sound deployed more than $800M into early positions in OpenAI, Anthropic and World Labs as it intensified its focus on artificial intelligence.
Heath is joining during an important transition for the firm. Ashton Kutcher, who co-founded Sound with Oseary in 2015, departed earlier this year to launch a new venture firm. Oseary and Epstein are continuing to lead Sound while raising its fifth flagship fund and sharpening its strategy around companies with the potential to reach meaningful commercial scale.
Adding Heath suggests that Sound’s next phase will not be defined by capital alone.
As AI makes it faster and less expensive to build software, technical capability may become less effective as a differentiator. More startups will be able to create credible products, and more of them will compete for the same finite supply of customers, talent and attention.
In that environment, knowing how to identify a compelling founder is only part of the job. Venture firms also need to understand how companies earn trust, communicate what makes them different and remain culturally relevant in an increasingly crowded market.
That is familiar territory for Sound. Oseary built his career managing artists including Madonna and the Red Hot Chili Peppers, where recognizing talent was inseparable from helping that talent connect with an audience. Heath brings a different version of the same instinct, developed through finding important stories and understanding why people should pay attention to them.
Heath will continue owning and operating Sources independently while expanding its podcast and interviewing prominent voices across the technology industry. That means he is not abandoning the platform or audience he built. He is adding a new vantage point.
The combination could prove especially valuable to Sound. Heath brings the instincts of a reporter, the reach of an independent media founder and years of relationships with the people shaping technology. Now, he can apply that experience to finding and supporting the next generation of founders.
It is a fitting evolution for someone who has spent his career identifying important technology stories early.
This time, he will have the opportunity to help write what happens next.
Venture firms once competed primarily through capital, networks and operating expertise. Now, access to attention is becoming an asset of its own. Founders need help reaching customers and shaping public understanding, while investors want better ways to recognize which people and ideas will command that attention next.
Sound Ventures hired someone who has spent a decade doing exactly that.
Heath used to decide which technology stories were worth following.
Now, he will help decide which ones get funded.
More from this week’s LA startup and venture scene below.
🤝 Venture Deals
LA Companies
- Maven Robotics emerged from stealth with a $100M Series A and humanoid robots already operating in warehouse deployments. The company says its robots can work for 16 hours a day with 99% uptime and is positioning itself as a reliable alternative for businesses whose existing robotics providers fail to meet deployment targets. - learn more
- Bedrock Capital participated in Mach Industries’ $600M Series C extension alongside Ribbit Capital, Infinite Capital and Sequoia, bringing the round’s total to $900M and doubling the defense startup’s valuation to $3.7B in three months. The Huntington Beach company manufactures lower-cost unmanned aircraft, strike weapons and counter-drone systems, while expanding into solid rocket motors and jet-engine production to address critical defense supply-chain bottlenecks. - learn more
- U First Capital participated in Positron AI’s $875M funding round, which was co-led by NEA, Atreides Management, Valor Equity Partners, Andra Capital, SemiAnalysis Capital and Jim Clark, valuing the AI chip startup at $5B. Positron will use the capital to bring its memory-focused Asimov processor and Titan server system to market, offering an energy-efficient alternative to GPUs for running AI models. - learn more
- WndrCo participated in Harvey’s $550M funding round, co-led by Diffusion and Lightspeed Venture Partners, valuing the legal AI company at $15.5B. Harvey will use the capital to expand its team and advance its AI platform, which helps law firms, in-house legal departments and professional-services organizations build and manage proprietary legal intelligence. - learn more
- Nolan Capital participated in Encoded Therapeutics’ $275M Series F, which was co-led by GV and another healthcare-focused fund and included several new and returning investors. The biotech will use the capital to advance its lead gene therapy for Dravet syndrome through pivotal studies, expand its manufacturing capabilities and prepare another treatment for post-amputation nerve pain for clinical testing in 2027. - learn more
- UP Partners led Overroute’s $5.5M seed round to expand its AI-powered freight execution platform for large trucking fleets and logistics operators. The company’s AI agents automate load monitoring, exception management and freight coordination, helping fleets respond to disruptions and keep shipments moving with less manual work. - learn more
- Patron Fund participated in System’s $20M funding round alongside Will Ventures, Vine, Courtside, Daybreak, SV Angel and RiverPark Ventures. The San Francisco company will use the capital to expand its vertically integrated peptide platform, which connects patients with licensed clinicians and personalized treatments from U.S. compounding pharmacies while emphasizing testing, traceability and regulatory compliance. - learn more
- Alpha Edison led Onix’s $5M pre-seed round, with participation from Garage Capital, Ride Home Fund and strategic investors including UTA co-founder Jeremy Zimmer and Real Ventures co-founder JS Cournoyer. The Montreal startup will use the funding to develop its private AI platform, onboard more specialists and prepare for a public launch, offering personalized guidance built exclusively from licensed expert knowledge rather than information scraped from the internet. - learn more
- Rebel Fund participated in VideoGen’s $3.3M seed round alongside Y Combinator, Lobster Capital, Stretford End Capital, Mento VC, Pioneer Fund and Decacorn VC. The San Francisco startup, which has reached more than 5M users across 190 countries, will use the funding to expand its team and grow its AI platform for producing editable, copyright-free videos. - learn more
An LA AI Company Just Won Entertainment’s Backing
🔦 Spotlight
Hello LA.
The entertainment industry has spent the past several years debating what generative AI could take from creators.
This week, some of its biggest companies put money behind an AI startup promising to build something for them instead.
Los Angeles-based Stability AI raised $76M in Series B funding from an investor group that includes Electronic Arts, Sony Music Group, Universal Music Group and Warner Music Group. AMD Ventures and Pacific Alliance Ventures also joined the round, while LA-based MANTIS Capital and Sound Ventures are among the company’s existing backers.
The financing brings Stability AI’s total funding under CEO Prem Akkaraju to $232M, including two equity rounds and convertible notes. The company plans to use the new capital to expand its creative production tools, applied research and professional services across music, gaming and entertainment.
The amount is notable. The names attached to it are the bigger story.
Generative AI’s arrival in entertainment has been anything but quiet. Artists have questioned whether their work was used to train models without permission. Studios have faced pressure over how the technology could affect jobs. Record labels have pursued AI companies in court while simultaneously exploring how the same technology might fit into their businesses.
Now, several of the world’s largest entertainment companies are investing directly in one.
That does not mean the industry has resolved its concerns about AI. It means some of its biggest players would rather help shape the technology than wait to see what it becomes.
Stability AI is positioning itself for that opening. Rather than focusing solely on general-purpose models, the company is building tools specifically for professional creatives. Its recently launched Stable Audio 3.0 was trained on fully licensed music and lets artists generate, edit and arrange audio through a web platform or directly inside digital audio workstations.

That licensed-data approach is central to the pitch. The next phase of creative AI will not be decided only by which company produces the most impressive model. It will also depend on which companies can earn the trust of the artists, studios and rights holders whose work gives those models value.
For its new strategic investors, the round offers more than financial upside. It creates a closer view into how generative AI may change production, a voice in how the tools develop and an opportunity to establish rules before those rules are established for them.
For Stability AI, the backing provides something equally important: credibility inside industries that have every reason to scrutinize what it is building.
The company now has capital and access to some of the largest catalogs, franchises and creative workforces in entertainment. What it does with that access will determine whether this becomes a meaningful alliance or simply an impressive collection of logos.
Either way, the industry is no longer watching from a safe distance.
It has entered the room.
LA’s Air-Taxi Plans Are Coming Downtown
While Stability AI is trying to change how entertainment gets made, Archer Aviation wants to change how people get to it.
AEG and Archer announced plans to develop downtown Los Angeles’ first vertiport at L.A. LIVE, creating a potential new stop in Archer’s proposed electric air-taxi network ahead of the 2028 Olympic and Paralympic Games.

The planned site would sit beside Crypto.com Arena and allow passengers to travel to and from the entertainment district aboard Archer’s Midnight aircraft. The company says its network could turn drives that take an hour or longer into electric flights lasting approximately 10 to 20 minutes.
Archer has already identified SoFi Stadium, USC and Hollywood Burbank Airport as possible locations, with its recently acquired Hawthorne Airport expected to serve as the network’s central operating hub. As the official air-taxi provider of LA28 and Team USA, Archer has an unusually visible deadline for turning those plans into something tangible.
AEG and Archer have completed an initial feasibility study of the L.A. LIVE site, including reviews of land use, airspace, power availability and community impact. The next phase will examine operations and the passenger experience.
There is still a substantial distance between a proposed vertiport and a functioning air-taxi network. The infrastructure must be built, regulatory approvals must be secured and passengers must be persuaded that flying across the city is safer and more practical than staying on the ground.
Still, few locations could make that future feel more real than L.A. LIVE. Millions of people already pass through the district for concerts, games and major events. Placing a vertiport there would bring urban air mobility out of the concept stage and directly into public view.
Together, this week’s announcements show Los Angeles becoming a testing ground for two technologies still moving from promise toward everyday use.
One could reshape how entertainment is created. The other could reshape how Angelenos reach it.
In a city famous for both its creative industries and its traffic, that feels appropriately on brand.
More from this week’s LA startup and venture scene below.
🤝 Venture Deals
LA Companies
- Atorie raised a $9.5M seed round from investors including a16z speedrun, Night Capital and Lightspeed Venture Partners’ Jeremy Liew. The AI-powered fashion startup connects consumers directly with luxury manufacturers to offer high-quality goods without traditional designer markups, and will use the funding to expand logistics, production and its AI shopping tools. - learn more
- Long Beach-based Maglut Heavy Industries emerged from stealth with $3.1M in pre-seed funding from Wave Function, Nova Threshold and Julian Capital. The startup is developing a chromatography-based system to process and refine rare earth elements domestically, with pilot tests producing materials at more than 99.9% purity. - learn more
- MANTIS Venture Capital participated in Voya Energy’s $35M Series A, led by Energy Impact Partners and joined by John Doerr, StepStone, Founders Fund, Overmatch and Seven Stars. The Hayward-based startup will use the funding to commercialize its aluminum-fueled generators, which provide clean, off-grid power for data centers and other energy-intensive operations without combustion or local air emissions. - learn more
- Regeneration.VC participated in eComID’s $17M seed round, led by Systemiq Capital and joined by Course Corrected, Stadium and returning investor CapitalT. The Stockholm-based startup will use the funding to expand internationally and scale its AI-powered Shopping Passport, which helps retailers personalize sizing and product discovery while reducing returns. - learn more
- Clocktower Technology Ventures participated in Helcim’s $53M Series C, led by BDC Capital’s Growth Venture Fund and joined by new investors Curql Collective and LA-based Gold House Ventures. The Calgary payments company will use the funding to expand its platform, develop additional financial services and serve more small and midsize businesses across North America. - learn more
LA Exits
- Altruist agreed to be acquired by Vanguard, giving the Los Angeles-based wealth technology and custody platform greater resources to expand its tools for independent financial advisors. Altruist will continue operating as a standalone business under its existing leadership and brand after the deal closes, which is expected later this year pending regulatory approval; financial terms were not disclosed. - learn more
- Personality AI has been acquired by WildBrain for approximately $11M in cash and 1M WildBrain shares upfront, with additional payments tied to future performance. The startup develops kid-safe conversational AI experiences for entertainment characters, including “Hey Peppa Pig,” and will help WildBrain expand its franchises into interactive products across toys, apps and digital platforms. - learn more


