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Lincoln · Custom ADU
A Lincoln ADU drawn for your lot — and your family.
Sun City layouts for a parent, a tract that an HOA watches, clay soil under the lawn. None of that fits a catalog plan. We draw it bespoke, then build it through final.
Trusted by homeowners across Sacramento & surrounding areas.
Custom ADU in Lincoln — fast facts
City
Lincoln
ADU type
Custom ADU
Contractor license
CSLB #1119373
Free estimate
(916) 677-9774
Last updated
Why custom in Lincoln
When a stock plan won't fit Lincoln
A catalog ADU is a rectangle that wants a flat, blank yard and no rules. Lincoln rarely hands you that. Most of the city is newer master-planned tracts — Lincoln Crossing, Twelve Bridges, Sun City Lincoln Hills — and every one of them carries an HOA and a design committee that watches the exterior. On top of that the valley-floor soil is expansive clay that swells and shrinks with the seasons, so the foundation gets engineered rather than poured as a generic slab. Custom answers what a stock plan can't: a layout drawn for an aging parent, an exterior the HOA will actually approve, and a foundation sized for the dirt you've got. The trade is real money and real time up front.
Drawn around HOA architectural rules in Sun City, Twelve Bridges, Lincoln Crossing
Engineered foundation for expansive valley-floor clay, not a generic slab
Layout shaped to your family — a parent, a returning adult kid, a home office
The design phase
Design phase, site walk to permit
Custom lives or dies in the drawings, so that's where we spend. It starts with a site walk and a measure-up — and in a Lincoln tract, the HOA matters as much as the lot. I want the setbacks, the easements behind the fence, the clay depth from a soils report, and the architectural standards your community holds you to. Then concept sketches. You react, we revise; most clients run two or three rounds before a floor plan clicks, a few push past five. Once the layout locks we draw the construction set — structural with the clay-soil foundation, Title-24, mechanical, plumbing, the PG&E load calc. Honest part: this front end runs six to ten weeks before anything reaches the City of Lincoln counter.
Site walk, measure-up and HOA standards read before a line is drawn
Two to five revision rounds until the floor plan is right
Full construction set drawn in-house, then filed with the City of Lincoln
Matching the main house
Matching a Lincoln tract home
A custom unit should look like it came with the house, and in a master-planned tract that bar is high — the HOA enforces it. Sun City Lincoln Hills runs low single-story Del Webb homes with tile or composition roofs and a tight color palette. Twelve Bridges and Lincoln Crossing lean two-story with stucco, stone accents and steeper pitches. The architectural review committee will look hard at roof pitch, siding, paint and how the ADU reads from the street, and they can stop you cold. We pull the roof pitch off your actual home, match the eave and trim, and pick a color the committee already approved. Going custom is how the exterior passes review the first time instead of the third.
Single-story Del Webb match in Sun City; two-story stucco in Twelve Bridges
Roof pitch, eave, siding and paint drawn to clear the HOA committee
Street-facing elevation built to pass architectural review on submission
Multi-gen + finishes
Aging-in-place layouts done right
A big share of our Lincoln custom work comes out of Sun City Lincoln Hills — a Del Webb 55+ community where families are solving one exact problem. A parent wants their own front door near the kids without stairs. A returning adult child needs a real place to land. That reshapes the plan. We draw zero-step entries, 36-inch doorways, curbless showers with grab-bar blocking already 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 here tend to push right against it — at that size you fit two real bedrooms, a full kitchen, a proper living room. Quartz, real floors, full tile. Custom is where the premium package actually fits.
“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.
Custom is the priciest path — no soft-pedaling it. For 2025-2026 we're seeing finished custom detached units in Lincoln land roughly $312K to $478K depending on size, finish level and the site, call it $285 to $430 a square foot. Lincoln's a more affordable-to-mid market than the estate towns, so the spread sits a notch lower, but custom still costs more than a stock plan. Two things move the number here: the engineered foundation that expansive clay requires, which runs more than a plain slab, and the finish package. A 1,150 sq ft premium aging-in-place unit can run past $460K. You're paying for the design, the bespoke footprint, the finishes and a foundation sized for your dirt.
A stock plan is pre-drawn and repeated — faster and cheaper because the design is already done. Custom starts at zero for your parcel: our designer sizes and shapes the unit around your lot, the HOA's exterior rules, the way a parent or adult kid will actually live in it, and the clay-soil foundation your dirt needs. Custom costs more and takes longer up front. The reason to choose it is a one-off problem a rectangle off the shelf can't reach — an aging-in-place suite, a strict architectural committee, an odd corner lot. In Lincoln, those come up a lot.
Longer than stock — that's the honest answer. Design and construction documents run six to ten weeks. City of Lincoln permitting on a clean set is typically four to eight weeks. The build itself runs about six to nine months for a custom detached unit. If your HOA's architectural review needs a revision round, that can add a couple weeks before you even submit to the city. Door to door you're looking at roughly nine to fifteen months. The design front end and the HOA approval are what make custom longer than a stock plan — and they're the part you can't skip without losing what you came for.
State law protects your right to build an ADU even inside an HOA — a homeowners association can't ban one outright. What it can do is enforce reasonable architectural standards: roof, siding, color, how it reads from the street. In Sun City Lincoln Hills, Twelve Bridges and Lincoln Crossing those committees are strict, and the exterior is exactly where they push back. That's a strong argument for custom over stock: we draw the elevation to match your home and the community palette, so the design passes review the first time instead of bouncing. We handle the HOA submittal alongside the city permit.
Lincoln sits on the valley floor, and much of that ground is expansive clay — soil that swells when it's wet and shrinks when it dries, moving with the seasons. Drop a generic slab on it and you risk cracking and a unit that shifts over time. So we get a soils report and engineer the foundation to the result: a stiffened slab, deepened footings, sometimes a post-tension design depending on how active the clay is. It costs more than a plain slab, and it's not optional on this dirt. We price it from the soils report up front rather than guessing, so the foundation isn't a surprise after we break ground.
State law caps a detached ADU at 1,200 sq ft, and most of our custom clients here build right up near that ceiling — at 1,100 to 1,200 sq ft you fit two genuine bedrooms, a full kitchen and a real living room, which is usually the whole point of going custom for a multi-generational household. Smaller is allowed; we just rarely see custom clients want it. Attached ADUs follow a different size rule tied to your main house, so if you're attaching we'll run those numbers for your specific Lincoln home.
In-house. Our designer does concept, floor plans, elevations and the full construction document set, and that same drawing carries straight into the build with no handoff gap. You're not coordinating a separate architect, a separate engineer and a separate builder who all point fingers when something's off. One team owns the design and owns the result — a big part of why custom stays on schedule, even with a Lincoln HOA review and an engineered clay-soil foundation in the mix.
Yes. Lincoln is its own incorporated city in Placer County, so your ADU permit goes through the City of Lincoln's building and planning departments, not Placer County and not Roseville. That trips people up because Lincoln borders unincorporated county land. We submit to the city, run the zoning check against your tract, coordinate the HOA approval separately, and carry the inspections. Knowing it's a City of Lincoln file — with its own counter and its own process — is half the battle on a smooth approval.
PG&E. This catches a lot of folks because Lincoln sits near Roseville and Sacramento, but it is not on Roseville Electric and it is not on SMUD. Power is Pacific Gas & Electric, full stop. So a custom unit's electrical service, any panel upgrade, the load calc and the meter set all coordinate through PG&E. Larger custom units with premium kitchens, heat pumps and maybe an EV charger pull more load, and PG&E runs on its own timeline — so we size the service and start that conversation during design, not at the end, so the meter isn't what holds up your final.
Most of Lincoln's master-planned tracts carry Mello-Roos special taxes that fund the community's infrastructure — that's already baked into your property tax bill. Building an ADU doesn't trigger a brand-new Mello-Roos district, but the ADU itself gets assessed and adds to your property tax, and you'll want to confirm how your specific CFD treats added square footage. We're builders, not tax advisors, so we'll point you to check with the county assessor and your tax person on the exact dollar impact. It's worth a quick call before you commit, just so the annual cost isn't a surprise down the road.
Other services
Not quite the right fit?
Every Sacramento ADU project is different. Here are the other paths we build under one roof — and we're happy to talk through which one fits your lot best.
We treat every home like it's our own — quality work, clear communication, and happy homeowners.
PaulOwner · Future Generation
9 min read1,891 words8 sections
Custom ADU design and construction in Lincoln
Lincoln backyards don't take a stock plan. Most of the city is newer master-planned tracts — Lincoln Crossing, Twelve Bridges, Sun City Lincoln Hills — each with an HOA that watches the exterior, on expansive clay that needs an engineered foundation. That's when you build custom. We're a Sacramento design-build crew about 30 minutes south (CA license #1119373) that draws a bespoke ADU for your City of Lincoln parcel and builds it — design through final, one team. Call us at (916) 677-9774.
01Section
What actually makes an ADU custom
People throw "custom" around loosely, so let me draw the line the way we do. A stock or model ADU is a plan we've already drawn and built before — you pick a size, swap a finish or two, and it drops onto a flat pad. It's the quickest, cheapest route, and on a clean rectangular Lincoln lot with a cooperative HOA it's often the right one. But it isn't custom.
Custom means the design starts at zero, on your parcel. Our designer takes the survey, the City of Lincoln setbacks, the easements, the clay-soil report, the architectural standards your community holds you to, and how your family plans to live — then draws a unit that didn't exist until your lot called for it. The footprint bends to the constraints. The roofline answers your house and the HOA. Nobody else has this plan.
