A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Tujunga, CA
Adding an ADU or converting a garage in Tujunga is different from doing the same work ten miles south. The hillside lots, the 1920s cabins and mid-century ranches, the fire zone requirements, and those steep driveways above Foothill Boulevard all shape what’s possible, what it costs, and how long it takes. Seedling ADU Pasadena handles the full picture: written pricing before any tool is picked up, a crew that treats your home the way you’d want a neighbor to, and a 365-Day Done Right Promise behind every finished structure. Call us at (626) 657-5461 to talk through your lot and your goals.
Why Tujunga Homes Are Different
Tujunga sits in the foothills of the San Gabriel Mountains, and that position changes nearly every decision on an ADU project. The hot, dry Mediterranean climate means cooling loads matter more than they would down the hill, and because Tujunga is in a High Fire Hazard Severity Zone, the building code asks for wildfire-resistant materials and defensible space planning that flatland projects never face. A family adding a detached unit on a hillside in the Hillhaven or Stonehurst neighborhoods is working with different insulation, different siding choices, and different window specs than someone in central Los Angeles.
The housing stock here runs from rustic 1920s cabins to Spanish Revival homes and ranch houses from the 1950s through the 1970s, and a striking number sit on raised foundations or partial basements. Some still run on septic systems, which affects where an ADU can be placed and whether the system needs an upgrade before the city signs off. Lot shapes above Foothill Boulevard often include long, steep driveways and limited street frontage, so getting equipment and materials to the build site takes planning. Crews regularly work around narrow access, and some hillside builds require caissons or grade beams to anchor the foundation properly. These aren’t obstacles, but they are the particular conditions of building in Tujunga, and they shape the price and the schedule from day one.
Our Main Tujunga Services
Most Tujunga homeowners reach out about one of three projects: adding square footage to the existing house, turning an underused garage into living space, or building a detached ADU from the ground up.
Home Addition Contractor in Tujunga
A home addition in Tujunga usually means working with an existing structure that’s sixty or eighty years old, often on a raised foundation with a slope somewhere nearby. We protect the occupied part of the house while the addition goes up: shoe covers and drop cloths inside, a clean-up photo before the crew leaves each day, and a plan for keeping dust out of the kitchen and bedrooms. For hillside lots, the addition may need engineered footings that step down the grade, which we price clearly before work starts. Home Addition Contractor in Tujunga
Garage Conversion Contractor in Tujunga
Many Tujunga garages were built for a different era: smaller cars, no laundry, no living space. Converting one into an ADU means bringing the structure up to current code for insulation, electrical, and egress, and in the fire zone the exterior materials have to meet stricter standards than the original build ever did. We walk you through the realities of your specific garage before quoting anything, including whether the foundation can support the conversion or needs reinforcement. Garage Conversion Contractor in Tujunga
ADU Builders in Tujunga
A detached ADU on a Tujunga hillside lot is its own small house: its own foundation, its own utilities, its own set of hillside and fire-zone requirements. We’ve guided families through placement decisions that account for septic lines, defensible space, driveway access, and how the new structure sits on the slope. Whether you’re leaning toward a panelized build from Abodu or Cover, or a stick-built unit with James Hardie siding, you’ll have a written price before the first delivery arrives. ADU Builders in Tujunga
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Tujunga
We work hands-on with our brands so Tujunga homeowners can choose what fits their lot, not just what a builder prefers to sell. That includes Abodu, Cover, Dvele, and James Hardie materials. On hillside properties, brand choice affects foundation design, fire-zone siding compliance, and how equipment gets to the site, so we help families compare options early, before plans are locked.
Pricing for ADU Company in Tujunga, CA
Every project in Tujunga gets a written price before work begins. Here’s what families typically see for the most common scopes in the area:
| Service | Typical range in Tujunga |
|---|---|
| Detached ADU (studio, 400 – 500 sq ft) | $180,000 – $260,000 |
| Detached ADU (1-bedroom, 500 – 700 sq ft) | $220,000 – $330,000 |
| Detached ADU (2-bedroom, 700 – 1,000 sq ft) | $290,000 – $420,000 |
| Garage conversion (studio, 400 – 500 sq ft) | $110,000 – $180,000 |
| Garage conversion (1-bedroom, 400 – 600 sq ft) | $130,000 – $210,000 |
| Garage conversion (2-bedroom, 500 – 700 sq ft) | $170,000 – $260,000 |
| Home addition (bedroom, 200 – 300 sq ft) | $90,000 – $160,000 |
| Home addition (primary suite, 300 – 500 sq ft) | $140,000 – $240,000 |
| Home addition (family room/kitchen, 400 – 700 sq ft) | $180,000 – $320,000 |
| Hillside foundation work (caissons, grade beams) | $25,000 – $75,000+ depending on slope |
Slope steepness, septic system upgrades, fire-zone siding requirements, and driveway access for equipment are the four biggest price movers on Tujunga hillside lots. Our written quote accounts for all of them before you sign, and the number doesn’t change once crews arrive.
Neighborhoods We Serve in Tujunga
We work across all of Tujunga, from the flats near Foothill Boulevard up into the hills where the streets narrow and the driveways get steep. Scheduling works around your family’s routine: school drop-off, nap time, pets, work-from-home hours. We’ll agree on start times and a clean-up plan before the first day on site.
- Stonehurst
- Hillhaven
- Sunland-Tujunga border (Foothill corridor)
- La Tuna Canyon Road area
- Upper Tujunga (above Foothill)
Service Area – Cities Near Tujunga
While this page focuses on Tujunga, our crews also serve homeowners in Glendale, CA, Pasadena, CA, San Marino, CA, and Alhambra, CA. If you’re just over the border in one of those cities, the same upfront pricing and Clean Promise apply. Dispatch and scheduling are coordinated from our Los Angeles office, and crews serve Tujunga locally.
Serving Tujunga, CA - Our Local Coverage Area
We’re based in the Tujunga area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About ADU Company in Tujunga
Most Tujunga projects start within 3 – 6 weeks of the signed agreement, depending on city plan check timing and whether your lot is on septic or needs a hillside soils report. We’ll give you a realistic schedule during the estimate, not a generic promise. Call (626) 657-5461 to get your lot on the calendar.
Some Tujunga neighborhoods have HOAs with architectural review for exterior changes, and state ADU law limits but doesn’t eliminate HOA say over things like paint color and exterior materials. We review your HOA’s CC&Rs early so the plans you approve are the plans that get built. Call (626) 657-5461 if you have a particular HOA concern.
Yes. Steep lots often need additional foundation engineering: caissons, grade beams, or a combination of both. We include that in the written price and work with a local soils engineer who knows the behavior of Tujunga’s hillside terrain. Call (626) 657-5461 for a free estimate on your specific slope.
No. Every Seedling project is quoted with a written, line-item price before any work begins, and we don’t add surprise charges after crews arrive. If the city requires something unexpected, we discuss it with you before proceeding. Call (626) 657-5461 to see a sample quote format.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Tujunga Customers Say
"Garage conversion into a studio. They sealed off the work area so dust didn't get into the house, and cleaned up every day before leaving. Calm, careful team to have around."
- Darnell Hobbs"Added a backyard cottage. The team protected our existing landscaping and left the yard clean every evening. Gentle, respectful, and they walked us through each stage calmly."
- Tamara Welsh"They converted our garage and were so mindful that we were living right there through it. Quiet hours respected, site swept, nothing left out where the kids play. Lovely work."
- Eugene Park
