CA License #1119373Licensed, Bonded & InsuredPowered by Future Generation ConstructionFuture Generation
Davis ADU Builder
ADUs built for Davis lots, trees and the city's rules.
Detached, attached and garage-conversion ADUs across Davis, engineered for the clay soil, the protected trees, and the way the City of Davis actually runs plan check.
Trusted by homeowners across Sacramento & surrounding areas.
ADUs in Davis — fast facts
County
Yolo County
Region
Sacramento Area
ADU types we build
Detached, Attached, Garage Conversion, Custom
Contractor license
CSLB #1119373
Free estimate
(916) 677-9774
Last updated
Built for Davis lots
Flat Davis lots, Yolo clay, parkway trees
Davis is flat. Russell, Covell, no hill, so an ADU skips the bluff foundation, retaining wall and slope survey that drain a foothill budget, a real Davis advantage. The catch sits underneath: Yolo adobe clay that swells wet and shrinks dry. We've seen original 1960s slabs in Central Davis cracked corner to corner, so a new unit gets a post-tension slab or deepened footing sized to the soil report. Then the trees: many older lots in Old North and Old East Davis carry a mature elm or oak right where you'd build, so we site around driplines, handle the tree permit and arborist report up front, and tell you in week one which corner is buildable.
Foundations engineered for Yolo expansive clay, not a generic slab
Tree-ordinance siting and arborist coordination handled up front
Flat lots mean no slope or retaining cost, a real Davis advantage
City, not county
The City of Davis permit, and why it's slow
Here's the honest part. Davis is an incorporated city with its own Building Division on Russell, where almost every ADU permit goes; only edges like El Macero and a few unincorporated pockets route through Yolo County. State law makes ADU approval ministerial, so the city issues once you pass plan check, but a clean submittal from this deliberate university town still runs 5 to 8 weeks, slower than the county across the Causeway. Layered on top is CALGreen plus Davis's own reach-code electrification, stormwater and parkway-tree items, and drawings that ignore them buy correction cycles. Hand Davis a sloppy set and it stretches a permit past four months, so we draw to its checklist the first time.
Full submittal to the City of Davis Building Division
CALGreen and Davis reach-code items built into the drawings
El Macero and unincorporated edges routed correctly to Yolo County
What it actually costs here
Pricing a Central Davis build on Yolo adobe
Here are real Davis ranges for 2025-26, not a national average that ignores our soil. A 612 sq ft one-bedroom detached ADU with mid-range finishes lands around $252K to $305K all-in in-town; a 912-ish sq ft two-bedroom runs $338K to $415K. Garage conversions start lower: the ranch stock in Central and South Davis usually runs $138K to $190K if the slab and roof check out. Two local things move it: the clay, where a post-tension slab on Yolo adobe adds $9K to $22K over a plain pour and skipping it gets cracks in five years; and a protected city tree near the build, which adds arborist, root-protection fencing and sometimes a foundation redesign. We flag both before you sign.
Detached 1-bed roughly $252K-$305K all-in on a typical lot, 2025-26
Garage conversions from about $138K when the structure is sound
Clay-soil foundation and tree costs priced before you sign, never after
Why rent an ADU in Davis
UC Davis demand, 20 minutes over the Causeway
Davis rents hard, and the reason is UC Davis: students and staff chase a deliberately tight supply, so vacancy sits brutally low, often one to two percent. A finished one-bedroom detached ADU realistically rents for $1,900 to $2,500 a month, higher near campus when leased by the bedroom, so it pays its construction back inside roughly 8 to 11 years, with a resale bump of $135K to $210K. Not everyone chases student rent, though; many Davis clients are faculty or long-time residents building for an aging parent near downtown and the farmers market, or an adult kid finishing a degree. Our shop is in Sacramento, 20 to 25 minutes over the Yolo Causeway, so you're not paying windshield time.
1-bed Davis ADU rents about $1,900-$2,500/mo in 2025-26, low vacancy
Common build reasons: student-driven rental income, aging parents, adult kids
Sacramento-based crews, roughly 20-25 minutes over the Causeway
ADU Services
Pick the ADU that fits your Davis lot
Detached, attached, garage conversion, or fully custom — we design, permit, and build every type of ADU under one roof in the Greater Sacramento Area. Tap a card for the details.
“Every ADU we build is designed to add long-term value and open new possibilities for your property. Let's build something great together.”
— Tim, ADU Specialist
Custom Designs
Built to fit your property & needs
Turnkey Process
We handle permits, plans & everything
Built to Last
Quality craftsmanship that stands the test
Financing Made Simple
$0 Down Options. Build Now, Pay Over Time.
You shouldn't have to drain your savings to build wealth. We partner with trusted ADU lenders to find financing that fits — many homeowners build with little to nothing out of pocket.
Home Equity (HELOC)
Tap your existing equity at competitive rates — the most popular way to fund an ADU.
Renovation Loans
Finance the build against your home's projected after-completion value.
ADU-Specific Financing
Specialized lenders who underwrite based on the rental income your ADU will produce.
Cash-Out Refinance
Roll the project into a new mortgage and keep one simple monthly payment.
Estimate Your Monthly Payment
See what financing your ADU could look like — and how rental income can help cover it.
$180,000Loan amount
Credit Score
Very good · 700–739
Estimated Monthly Payment
$1,320/mo
At 7.99% APR over 30 years (illustrative)
Often offset by $2,000–$3,500/mo in rental income
No prepayment penalties with most partners
Pre-qualification with no impact to your credit
Illustrative only — not a loan offer. Actual rates and terms are set by third-party lenders based on your qualifications.
Service areas
Where we build
Headquartered in the Greater Sacramento Area and serving homeowners from the Sierra foothills down through the Bay Area. Don't see your city? We probably still get there — just ask.
The most common things Sacramento homeowners ask before starting an ADU project.
Almost always through the City of Davis. Davis is incorporated, so it runs its own Community Development department and Building Division, and that's where the great majority of ADU permits in town go. Only unincorporated edges like El Macero and a few pockets east of the city route through Yolo County instead. Under California's ADU law the review is ministerial, meaning Davis has to issue once your plans clear plan check. We handle the entire submittal and correction cycle with whichever office your parcel falls under.
On a clean, complete submittal, first review from the City of Davis typically comes back in 5 to 8 weeks, usually with at least one correction cycle before issuance. Davis is a process-heavy, deliberate city and runs a touch slower than the county offices across the Causeway. Total time from signed contract to permit in hand is usually about 10 to 14 weeks. Incomplete plans are where people lose months, and in Davis specifically the CALGreen and tree items are common correction triggers if your drawings ignore them.
For a 612 sq ft one-bedroom detached ADU with mid-range finishes on a typical in-town lot, budget roughly $252K to $305K all-in for 2025-26. A 912 sq ft two-bedroom runs closer to $338K to $415K. Garage conversions start around $138K to $190K when the slab and roof are sound. The two big Davis-specific cost movers are the expansive clay soil, which calls for an engineered foundation, and tree-ordinance work if a protected tree is near the build. We price both before you sign so the number holds.
It's a factor you engineer for, not a dealbreaker. Davis sits on old farmland with Yolo adobe clay that swells when wet and shrinks when dry, and we've seen original slabs around town crack from soil movement nobody designed for. A new ADU here gets a foundation sized to the soil report, often a post-tension slab or a deepened, reinforced footing, which adds roughly $9K to $22K over a plain slab. Skipping that to save money is exactly how you end up with structural cracks in a few years, so we don't.
Usually yes, but the tree shapes the design. Davis has one of the stricter tree ordinances we work under, with protected city trees, mandatory parkway street trees, and real penalties for harming a protected specimen. If a heritage or protected tree sits near your ADU footprint, expect a tree permit, an arborist report, root-protection fencing during the build, and sometimes a foundation tweak to miss the major roots. We site the unit to keep the tree healthy and the city satisfied, and we tell you on the first walkthrough whether your favorite spot is workable.
There can be. The older core neighborhoods carry more design and neighborhood-compatibility scrutiny than a newer Davis subdivision, and parts of Old North and Old East Davis have historic significance that shows up in how an addition or detached unit is reviewed. It rarely blocks an ADU, but it can influence exterior materials, roof form, scale, and how the unit reads from the street. We flag any historic-character or overlay considerations before we submit, so they don't surface as a plan-check correction after you've committed to a design.
Often a smart move here. Central Davis, South Davis and a lot of the ranch-era stock have attached or detached garages that convert well, and a permitted garage-conversion ADU typically runs $138K to $190K, well under a ground-up build. The variables are whether the existing slab is sound on the clay soil, whether the roof and walls are in shape, and how plumbing reaches the unit. We assess all three before quoting, and we check that the existing slab isn't already cracking from soil movement, because that changes the scope.
A finished one-bedroom detached ADU in Davis realistically rents for $1,900 to $2,500 a month in the 2025-26 market, and near campus or leased by the bedroom it can run higher. Davis vacancy is famously low, often one to two percent, because UC Davis demand outpaces the city's tight housing supply. At those rents the unit usually pays back its construction cost in roughly 8 to 11 years, faster than most towns we build in, separate from the resale value it adds.
Yes, and they matter for your drawings. Davis layers its own energy and sustainability expectations on top of California's CALGreen baseline, including reach-code electrification details that go further than many neighboring cities. A plan set that ignores them is a reliable way to earn extra correction cycles at the Davis counter. We build those items into the design from the start, so the sustainability and stormwater pieces are handled before submittal rather than bolted on after a rejection.
Our shop is in Sacramento, roughly a 20 to 25 minute drive west on I-80 over the Yolo Causeway. We're over here constantly (Davis, West Sacramento and Woodland are a regular loop for us), so our crews aren't burning travel time and our project manager can get to your lot quickly. You get a builder who knows the City of Davis Building Division, the tree ordinance, and the Yolo clay first-hand, without the overhead of a single-town operation that only ever sees one counter.
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PaulOwner · Future Generation
7 min read1,602 words7 sections
Building an ADU in Davis: what a university town in Yolo County is actually like
Davis is its own animal: flat ag land turned bike-first college town, with one of the strictest tree ordinances around, expansive clay under the lawns, and a city hall that reviews everything carefully. Building an ADU here rewards a contractor who knows the soil, the trees, and how the City of Davis runs plan check. We're a Sacramento design-build crew over the Causeway all the time. Here's the honest, Davis-specific rundown.
01Section
The Davis permit process, in plain English
First thing to get straight: Davis is an incorporated city, not a slice of unincorporated county. It has its own Community Development department and Building Division downtown, and that's where nearly every ADU permit in town is reviewed, issued and inspected. The exceptions are narrow. El Macero and a few unincorporated pockets toward the county line go to Yolo County instead. For most homeowners inside the city limits, the project lives or dies at the City of Davis counter.
That counter has a personality worth understanding before you submit. Davis is a deliberate town that built its identity around careful planning, environmental review and sustainability, and that ethos is baked into how staff work. Reviews here run a little longer than the high-volume county offices across the Causeway: a clean first submittal commonly comes back in roughly 5 to 8 weeks, often with a correction cycle attached. Not a reason to panic. It just means a complete, correct plan set is worth more in Davis than almost anywhere nearby.