Buying New Construction in Placer One, Roseville, CA: What to Know Before You Buy

What Do You Need to Know Before Buying New Construction in Placer One, Roseville, CA?

Placer One is a roughly 2,200-acre master-planned community immediately north of Roseville in unincorporated Placer County, being built out by Taylor Builders alongside KB Home, Pulte Homes, and JMC Homes. Before you buy, verify whether your specific lot carries a Community Facilities District (CFD/Mello-Roos) assessment, confirm the added cost of the all-electric, solar-and-battery build requirement, and understand that major promised amenities — including a Sacramento State satellite campus — won't be finished for years. None of that should scare you off. It should just be priced in before you write an offer.

By Rich & Kat Farless | September 24, 2026

If you've been watching the new construction signs go up along Fiddyment Road and Highway 65, you've probably heard the name Placer One. It's the biggest thing happening in new construction north of Roseville right now, and we're fielding more questions about it every week — from buyers who love the idea of getting into a brand-new home at the ground floor of a master-planned community, and from buyers who are nervous about what "ground floor" actually means when you're the one living there.

Here's what we tell every client who's looking at Placer One before they get attached to a floor plan.
What Placer One Actually Is — and Isn't Yet
Placer One sits on roughly 2,200 acres in unincorporated Placer County, just north of Roseville and about a mile west of Highway 65. It's a partnership between Placer County, Sacramento State, Sierra College, and master developer Taylor Builders, and the long-term plan calls for more than 5,000 homes across nineteen villages, plus a university campus, a town center, and several hundred acres of parks.

Right now, that plan is a work in progress. Home construction is underway and homes are selling — JMC Homes is currently pricing Placer One homes from roughly $509,990 to just over $1,024,990, across floor plans from about 1,250 to nearly 3,822 square feet, with Pulte Homes building its Rose and Lily neighborhoods in the same footprint. But the university campus is still years out: Sacramento State's own project pages show a forensic science lab breaking ground in early 2027 with a fall 2028 opening, and the broader buildout — parks, the town center, additional schools — is described as a 15-year process.

That gap between "what's selling today" and "what's promised eventually" is the single most important thing to understand about buying here. You're not just buying a house. You're buying into a community that's still being built around you, on a timeline measured in years, not months.

This is exactly what we walk buyers through before they get emotionally attached to a lot — not to talk you out of it, but so the excitement of a brand-new home doesn't crowd out the practical questions.

It also helps to understand why a project this size is landing here now. Placer County has stayed a tight, seller-leaning market through 2026 — inventory has been running below year-ago levels for months, and closed sales still outpace what a truly soft market would produce. A large, well-capitalized master plan next to a planned university campus is exactly the kind of project that gets greenlit when demand for new construction in Placer County isn't going anywhere. That's good news for long-term value. It's also exactly why builders can afford to sell homes today while amenities and infrastructure catch up over the next several years — the demand is already there, so there's little pressure to finish the community before selling into it.
What Your Purchase Price Doesn't Automatically Include
New construction pricing in Placer One looks competitive next to resale homes in West Roseville new construction neighborhoods like Fiddyment Farm or Sierra Vista. But the sticker price is rarely the full monthly picture, and there are two costs specific to this community you need to run down before you remove contingencies.

Mello-Roos and CFD assessments. As of this writing, we haven't found a published, parcel-level Community Facilities District rate specifically for Placer One's early villages — which is normal at this stage of a new master-planned community, since CFDs are frequently formed as infrastructure gets built out. That doesn't mean you'll pay nothing. It means you need to ask, in writing, before you're under contract. For context, other newer West Roseville CFDs typically run $2,000 to $4,500 a year on top of your base property tax bill, and some Placer County communities — particularly in Lincoln — run considerably higher. On a $700,000 home, even a mid-range Mello-Roos assessment can add $200 to $375 a month to your real housing payment, which matters for both your monthly budget and your loan qualification. Ask your builder's sales office for the current CFD disclosure and confirm it with a title company before you write an offer, not after.

The all-electric, solar-and-battery requirement. Taylor Builders has described Placer One as one of the largest all-electric master-planned communities in the region, with solar panels and battery storage required on every home — going beyond the statewide Title 24 solar mandate that already applies to new California construction. That requirement is baked into your purchase price rather than billed separately, but it's worth understanding what you're getting: lower long-term utility costs and no gas hookup to budget for, in exchange for a home that may price several thousand dollars higher than a comparable all-gas resale home elsewhere in Placer County. If you're comparing a Placer One new build against a resale home, run the full utility comparison, not just the purchase price.

HOA dues are the third piece. Builders haven't consistently published final HOA numbers across every neighborhood yet, so treat any number a sales agent gives you verbally as preliminary until it's in your purchase contract.
Buying Into a 15-Year Build-Out: What to Ask Before You Write an Offer
This is where we spend the most time with buyers, because it's the part a builder's model home doesn't show you.

Placer One's amenities are arriving in phases over what the partners themselves describe as a 15-year horizon. If you buy in an early village, you should expect active construction — grading, road work, and new home building — as a normal part of daily life for years, not months. That's true of almost every large master-planned community in Placer County at this stage, from Winding Creek to Amoruso Ranch, but it's especially true here given the scale.

Before you buy in Placer One, we'd ask:

What's actually open today versus what's shown on the community map as "planned"? Get this in writing from the sales office, not from the rendering.
What's your daily commute route during construction? Roads that will eventually connect the community aren't always finished when the first villages sell.
How does the builder handle price adjustments on homes still in the build queue, and what happens to your lot premium or upgrade credits if timelines shift?
What's the resale comparison right now? A brand-new home in an unfinished community can be harder to comp accurately than one in an established neighborhood — which matters if you need to sell before the buildout catches up. This is a version of the same math we cover in what lot premiums and builder upgrades are actually worth in Roseville.
How does the CFD situation compare to established West Roseville communities? If avoiding a high special-tax bill matters to you, it's worth understanding how Mello-Roos works in Roseville before you compare Placer One against other new-construction options.

None of this means Placer One is a bad buy — for a lot of buyers, getting in early on a large, well-capitalized master plan next to a future university campus is exactly the opportunity they're looking for. It's the same conversation we have with clients comparing new construction in Lincoln's Bickford Ranch or evaluating a new build against a resale home elsewhere in the region: the upside is real, and so is the need to go in with your eyes open on cost and timeline.
Frequently Asked Questions
Does Placer One have Mello-Roos or CFD taxes?

There's no single published rate that applies to every Placer One village, and specifics can vary by builder, phase, and lot. Ask your builder's sales office for the current CFD disclosure in writing and confirm it against your preliminary title report before removing contingencies — don't rely on a verbal estimate.

Why do Placer One homes require solar panels and battery storage?

Taylor Builders has built Placer One as an all-electric community, requiring solar and battery storage on every home — a step beyond California's statewide Title 24 solar mandate for new construction. The cost is built into your purchase price rather than added later, and it typically comes with lower ongoing utility bills and no natural gas hookup.

Who is building homes in Placer One right now?

Taylor Builders is the master developer, with KB Home, Pulte Homes, and JMC Homes actively selling homes in different villages within the community as of 2026. Pricing and floor plans vary by builder, so it's worth touring more than one before you decide.

Is Placer One inside the city of Roseville?

Placer One sits in unincorporated Placer County immediately north of Roseville, not within Roseville's city limits. That distinction can affect which agency handles permits, services, and future special tax formations, so it's worth confirming with your title company.

When will Placer One's promised amenities — like the university campus and town center — actually be finished?

Slowly, by design. Sacramento State's own project pages describe elements like a forensic science lab starting construction in early 2027 and opening in fall 2028, with the full campus and community buildout described as a 15-year process. If you buy in an early phase, plan on living near active construction for several years.

If you're weighing Placer One against another West Roseville new-construction community — or against a resale home that's already past the construction-dust phase — that's exactly the kind of side-by-side we run for our clients before they write an offer. Schedule a free consultation at richandkatsoldthat.com/talktous and we'll walk through the real numbers on whichever homes you're considering.

About Rich & Kat Farless Rich and Kat Farless are a husband-and-wife real estate team with over 30 years of combined experience serving buyers and sellers across the Sacramento region. As the #1 husband-and-wife team in Roseville, CA, they specialize in single family, new construction, and luxury properties across Placer, Sacramento, and El Dorado counties. Connect with them at richandkatsoldthat.com.