CA License #1119373Future Generation
Custom-designed ADU on a Davis lot, sited around a protected heritage tree and matched to the main house.
Davis · Custom ADU

A Davis ADU drawn around the clay,
the heritage elms, and your family.

Davis hands you expansive adobe clay and a strict tree ordinance, not a flat empty pad. We draw a bespoke unit around both and build it — design through final.

  • 30+ Years Experience
  • Licensed & Insured
  • 100+ 5-Star Reviews
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ADU Type

Size — 400 sq ft

Estimated Cost

$134,000

Rental Income

$2,000/mo

Payback Period

6.3 yrs

Fast. Free. No obligation.

Trusted by homeowners across Sacramento & surrounding areas.

Custom ADU in Davis — fast facts

CityDavis
ADU typeCustom ADU
Contractor licenseCSLB #1119373
Free estimate(916) 677-9774

Last updated

Why custom in Davis

When the clay and the trees decide

A stock detached plan wants a flat, empty rectangle with stable dirt under it. Davis rarely cooperates. Two things shape almost every job here. The ground is Yolo adobe — expansive clay that swells when it's wet and shrinks when it dries, which is why those 1960s slabs around Central Davis crack corner to corner. And the trees: a strict city ordinance protects mature elms and oaks across Old North and Old East, plus the street trees on the parkway strips. A catalog plan ignores both and gets kicked back. Custom answers what a pre-drawn footprint can't see — we draw the unit to the soil report and around the driplines, then build it. Stock makes your lot obey the plan. Custom makes the plan obey Davis.

Custom ADU framed on a Davis lot, sited to protect an existing heritage tree.
  • Engineered foundation sized to the soil report, not a generic pour
  • Sited around protected tree driplines so the ordinance passes
  • The answer when no off-the-shelf footprint lands on the lot
The design phase

Site walk to permit, drawn in-house

Custom is won in the drawings, so we put real hours there. It opens with a site walk and a measure-up. A survey leaves things out — it won't tell you which trees the city protects, how far the canopy actually reaches, or how the adobe behaves on your block once you start digging. That first visit reshapes the plan more often than not, and on a Davis lot it usually points the foundation engineer at a soil report early. Then concept sketches. You react, we revise. Most clients run two or three rounds before the floor plan feels right; a few push past five. When the layout locks we draw construction documents — structural, Title-24, mechanical, plumbing, the PG&E load calc, plus the city's reach-code items. The honest part: this front end runs six to ten weeks before anything reaches the City of Davis counter. Longer than stock. That's the trade.

Custom ADU floor plan and elevations laid out during the Davis design phase.
  • Site walk and tree survey before a single line gets drawn
  • Soil report drives the foundation design from day one
  • Full construction documents drawn in-house, then filed with the city
Matching the main house

From Old North to Mace Ranch

A custom unit should look like it grew out of your house, not like it got parked behind it. Davis makes that real work because the housing stock spans seventy years. In Old North and Old East you've got prewar and midcentury homes under canopies of heritage elms — narrow lots, deep character, neighbors who notice. Central Davis runs to 1960s ranches on those original adobe slabs. West Davis, Wildhorse and Mace Ranch are newer subdivisions, each with its own tract vocabulary. Drop a blank stucco box behind any of them and it shouts "added later." We pull roof pitch off your actual house, match eave depth, copy the trim, and source siding that reads the same from the sidewalk. A copied stock elevation almost never belongs on an Old East lot. A drawn one does.

Custom ADU exterior detailed to match a Davis home's roofline and siding, from our local attached-ADU project.
  • Prewar and midcentury detailing for Old North and Old East
  • Ranch-matched units for the 1960s homes in Central Davis
  • Roof pitch, eave depth and trim drawn to your specific home
Multi-gen + finishes

Multi-generational layouts done right

A lot of our Davis custom work is families solving one exact problem — aging parents who want their own front door, or a UC Davis student or grad whose rent makes a backyard unit look smart. The university drives heavy rental demand, so an ADU here earns its keep faster than most towns. That reshapes the plan. We draw zero-step entries, 36-inch doorways, curbless showers with grab-bar blocking set in the walls, and a second primary suite so two generations each keep privacy. The detached state ceiling is 1,200 sq ft, and custom clients tend to push right up against it — at that size you fit two real bedrooms, a full kitchen, a proper living room. Then there's finish level. Quartz, real oak floors, a tiled shower instead of a fiberglass insert. Custom is where the premium package fits, designed in from day one rather than bolted on.

Aerial of a larger custom ADU near the 1,200 sq ft ceiling on a roomy Davis lot.
  • Zero-step entries, wider doorways, curbless showers, grab-bar blocking
  • Second primary suite so two generations share without crowding
  • Quartz, hardwood and full tile drawn in, not added on later
Build Smart. Invest Wise.

Build Your ADU.
Your Investment,
Your Future.

From design to move-in, we handle everything. Transparent pricing, on-time delivery, and uncompromising quality.

Custom Designs

Tailored to you

Built to Last

Premium materials

Fast Turnaround

On-time delivery

Full-Service

From start to finish

30+

Years of Experience

120+

ADU Projects Completed

100+

Happy Homeowners

Completed ADU built by Future Generation in Sacramento

Built for Value.
Designed for Life.

Trusted by homeowners across Sacramento & surrounding areas.

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Your Live Estimate

Detached ADU800 sq ftStandard

Estimated Construction Cost

$189,000

≈ $236/sq ft · all-in, turnkey

Est. Rental Income$2,800/mo
Annual Income$33,600/yr
Build Timeline5–7 months
Payback Period6.3 yrs

15.8% annual ROI

Based on local rents & your selections

Estimate for planning only. Final pricing depends on site conditions, lot, and city fees. Get an exact quote from our team — free.

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I'm Tim, your ADU specialist.

I'll help you build smart and maximize your investment.

Tim, ADU specialist at Future Generation

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Tim, ADU specialist

“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.

Frequently asked

Questions, answered

The most common things Sacramento homeowners ask before starting an ADU project.

  • Custom is the priciest path — I won't soft-pedal it. For 2025-2026 we're seeing finished custom detached units in Davis land roughly $388K to $579K depending on size, finish level and how rough the site is, call it $312 to $485 a square foot. The big variable out here is the ground. Yolo adobe clay means an engineered foundation — a post-tension slab or deepened, reinforced footings sized to your soil report — not a cheap generic pour, and that's real money before you've framed a wall. Protected trees add to it when one sits near the build. A 1,150 sq ft premium unit on bad clay can run past $545K. A catalog plan on stable, treeless ground would cost less. You're paying for the design, the bespoke footprint and a foundation that won't crack.
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(916) 677-9774
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Tim, ADU specialist at Future Generation

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Carrie Z
I had two bathrooms completely remodeled, two windows replaced and some siding. Everything stayed on track as planned and I absolutely love the end product. The communication was great.
Carrie Z · Google Review
10 min read2,110 words8 sections

Custom ADU design and construction in Davis

Some Davis backyards just won't take a stock plan. Yolo adobe clay that cracks a generic slab corner to corner, a protected heritage elm you can't build under, an odd lot, or parents moving in who need a unit drawn around them — that's when you build custom. We're a Sacramento design-build crew 20 minutes east over the Causeway (CA license #1119373) that draws a bespoke ADU for your exact Davis lot and builds it, design through final inspection, one team the whole way. Call (916) 677-9774.

01Section

What actually makes an ADU custom

People throw "custom" around loosely, so let me draw the line. A stock or model ADU is a plan we've already drawn and built before — pick a size, maybe swap a finish, and it drops onto a flat pad. Quickest route, cheapest route, and for a clean Davis backyard with stable dirt and no protected trees in the way, it's often the right one. We build those gladly. But it isn't custom.

Custom means the design starts at zero, on your parcel, for your situation. Our designer takes the survey, the City of Davis setbacks, the soil report, the protected trees and their driplines, the way your block sits, and how your family plans to live. Then a unit gets drawn that didn't exist until your lot called for it. The footprint bends to the constraints. The foundation answers the clay. The roofline answers your house. Nobody else has this plan.