
Carmichael Additional Dwelling Unit Contractor
Designed, permitted, and built on your Carmichael lot. Detached, attached, and garage-conversion ADUs handled by a veteran-owned General B contractor who picks up the phone after move-in day.
Additional Dwelling Units Built for Carmichael Lots
Carmichael’s housing pressure has made the Additional Dwelling Unit one of the smartest moves a homeowner can make. Whether the goal is rental income, a private space for aging parents, or a teenager’s first apartment behind the main house, an ADU adds a second residence on land you already own without the cost or wait of buying a new property in this market.
California state law (Government Code 65852.2) overrides most local restrictions that previously limited ADU construction, and the Carmichael updated its zoning code to comply. On most single-family residential lots in Carmichael, a homeowner can now build a detached ADU up to 1,200 square feet, an attached ADU up to 50% of the primary residence’s floor area, or convert an existing garage or basement into a separate dwelling unit.
ADC Construction handles every type. Adam meets you on the property, walks the lot, and tells you exactly what the Carmichael will and will not permit on your specific parcel. Setbacks, height limits, fire-separation requirements, sewer connections, and utility tap fees are all sorted before the design phase begins, so the project doesn’t stall at the permit counter.
The three most common ADU types we build in Carmichael: detached ADUs (a standalone structure in the backyard, typically 600 to 1,200 sqft, full kitchen, bathroom, and bedroom), attached ADUs (added onto the main house with a separate entrance, often built off the back or side wall), and garage-conversion ADUs (existing detached garage converted to a dwelling unit, often the lowest-cost path).
Carmichael lots vary widely in what they can accommodate. Older neighborhoods tend to have deeper lots with more rear-yard space, which favors detached ADUs with their own driveways or rear-access paths. Newer subdivisions often have shallower rear yards and tighter side setbacks, which makes an attached ADU or a garage conversion the practical answer. Lot coverage maximums, second-story height restrictions, and rear-yard privacy considerations for neighbors all factor in. Adam reviews the parcel map and your jurisdiction’s lot-coverage calculator with you during the quote so the project is sized to what your lot can actually carry.
Adam earned his General B contractor’s license after serving in the US Army, and he built ADC Construction in 2022 on one principle: treat every property like it’s your own home. That standard applies whether the ADU is a modest garage conversion or a custom detached unit with a covered patio and its own laundry.
Carmichael is established Sacramento County suburb along the American River, mature tree-lined neighborhoods with generous mid-century lots that are some of the best ADU ground in the region. These lots tend to be flat and deep, which favors a proper detached ADU in the back yard with its own driveway or side-yard access, and the big shade trees mean protecting root zones and existing canopy during the build is part of doing the job cleanly. Because Carmichael is served by Sacramento County, the permitting, sewer, and utility connections run through municipal systems rather than well and septic, so the ADU ties into public sewer and metered water, and Adam handles the county submittals and the utility coordination.
The valley heat here is the design factor that matters most. Carmichael runs hot through the summer, so an ADU built to Title 24 energy standards with proper insulation, radiant-barrier roofing, dual-pane glazing, and a right-sized HVAC system is what keeps the unit comfortable and the power bill sane, whether you are renting it or housing family. Adam builds every Carmichael ADU to those standards and sizes the mechanicals to the actual square footage instead of overbuilding. On the deeper lots, we also watch lot coverage and rear-yard setbacks closely so the detached unit fits the parcel and clears the county review the first time through.
Call (209) 200-5302 or request a free on-site quote. See finished work in our project gallery, including detached ADUs, garage conversions, and full-home remodels across the Sacramento and San Joaquin valleys. We serve Carmichael, Sacramento, Folsom, Lodi, Stockton, and 29 more cities within 30 miles of our Lodi office.
Six Reasons Carmichael Homeowners Trust Us with the ADU
Licensed & Insured
California General B license with full liability coverage. Carmichael permits pulled and inspected start to finish.
Veteran Discipline
US Army standards applied to every ADU jobsite: clean, organized, on time, on budget, no excuses.
Free Project Quote
Adam walks the Carmichael lot, assesses zoning + setbacks, and explains your options with zero pressure.
Transparent Pricing
Itemized quotes within 48 hours. Foundation, framing, utilities, finish. Every line item explained.
Design + Build
Architectural plans, structural engineering, Title 24 energy, and construction all coordinated under one contract.
Post-Project Support
We pick up the phone six months, six years later. The relationship outlasts the certificate of occupancy.
Often Paired with an Carmichael ADU
ADU Construction Across the Carmichael Region
Same craft standard on every ADU within 30 miles of Lodi.
Carmichael ADU Questions
How much does an ADU cost in Carmichael, CA?
There is no flat price on a Carmichael ADU, and anyone who quotes you one over the phone has not seen your lot. Cost is driven by build type first. Converting a garage means the shell is already standing, so you are paying for insulation, a kitchen, a bathroom, and the code work that turns storage into a legal dwelling. Building detached means starting with a foundation and framing, which is a different order of work entirely. From there it is square footage and finish level, and then the property itself: how far the water, sewer, and power have to run from the main house, whether the panel has room for a second dwelling, and what the mature oaks and existing hardscape mean for access. Adam walks it, prices the real conditions, and hands you an itemized quote within 48 hours so every line is visible before you commit.
Do you handle the Carmichael ADU permits?
Yes. We pull every permit required by the local Planning Department and Building Division: zoning clearance, building permit, plumbing, electrical, mechanical, and any encroachment permits for sewer or utility taps, and coordinate inspections through final certificate of occupancy. Permit fees are line-itemed in your quote.
What’s the maximum size ADU allowed on my Carmichael lot?
State law allows up to 1,200 square feet for a detached ADU on most Carmichael single-family lots regardless of local zoning. Attached ADUs are limited to 50% of the primary residence’s floor area, capped at 1,200 sqft. Adam will measure your specific lot and confirm what’s allowed during the on-site quote visit.
How long does an Carmichael ADU build take from design to move-in?
Plan on 8-12 weeks for permits, plans, and engineering before the first shovel hits dirt, then 4-8 months of construction depending on type. A garage conversion is the fastest path (3-5 months building). A custom detached ADU is the longest (6-8 months building). We provide a realistic schedule with your quote and hold to it.
Can I rent out my Carmichael ADU?
Yes. California law requires Carmichael to allow long-term rentals of ADUs on single-family lots. Short-term rentals (Airbnb, VRBO under 30 days) are restricted under local ordinance. Confirm current rules with the Planning Department before counting on STR income. Long-term tenant rental is the standard income path most of our Carmichael ADU clients pursue.
Are Carmichael’s older lots good for a detached ADU?
They are among the best in the area. Carmichael’s mid-century neighborhoods have deep, flat lots with real rear-yard space, which is ideal for a standalone detached ADU with its own entrance and often its own driveway or side-yard access. The main things we watch are lot coverage limits, rear and side setbacks, and protecting the mature trees during construction. Adam measures the parcel on the walkthrough and sizes the unit to fit cleanly so it clears the county review the first time.
How do you keep a Carmichael ADU comfortable in the summer heat?
The Sacramento valley gets hot, so we build for it. Every Carmichael ADU meets Title 24 energy code with solid wall and attic insulation, radiant-barrier roofing, dual-pane low-E windows, and an HVAC system sized to the actual square footage rather than a guess. That combination keeps the interior cool through July and August without a punishing power bill, which matters whether the unit is a rental or housing your own family. It is standard on every unit we build here, not an upgrade.
Carmichael ADU Built to Last. Answered After Move-In.
Ready to start your Carmichael ADU project? Call Adam directly or request a free on-site quote. We walk the lot, talk through your options, and quote it transparently.



