Schools
All of 48178 is served by South Lyon Community Schools, which spans about 83 square miles across Oakland, Washtenaw, and Livingston counties with 12 schools.

Oakland County, Michigan
Local mortgage guidance for South Lyon buyers and homeowners, with options shopped across multiple wholesale lenders and one Michigan broker who stays with your file.
South Lyon wears two faces inside a single ZIP code. The historic, walkable City of South Lyon, anchored by the Queen Anne "witch's hat" turret of the South Lyon Depot and a downtown packed with 100-plus shops and restaurants, sits beside the larger, semi-rural sweep of Lyon Township. That split gives 48178 an unusually wide price range, from in-town starter homes to township luxury builds. Home to roughly 12,465 residents, the area leans on advanced manufacturing, healthcare, and retail, with MST Seamless Tube & Pipe and Busch's Fresh Food Market among local names. Many residents commute about 20 minutes on US-23 to Ann Arbor's Michigan Medicine and Trinity Health systems. Whether you are crossing the Huron Valley Rail Trail on weekends or eyeing a build near Tanglewood, Align Lending matches the financing to the address.
By the numbers
Values move. Treat these as orientation and let us pull current figures for the address you are considering.
Typical home value, from the market research on this page
Typical rise in taxable value the year after a home sells, 2026 Uncapping Study
Effective property tax rate, as a share of value
Residential ZIP codes
At the ~$458K median, a comfortable purchase typically calls for roughly $125,000-$135,000 in household income (assuming about 20% down, a mid-prevailing rates, and PITI near $3,000/month at a 28% front-end ratio). Since the local median household income is $92,467, many buyers lean on dual incomes, larger down payments, or lower-priced in-town and condo options. Watch your tax line carefully: the effective property tax rate runs about 1.35%, and a Lyon Township address (~31 mills) can save more than $1,000 a year versus the City of South Lyon (~40 mills). First-time buyers should ask about MSHDA down-payment assistance. Most 48178 purchases stay within conforming limits, though township luxury builds can push into jumbo territory.
Most South Lyon purchases fit under the 2026 conforming limit of $832,750; only the largest homes need a jumbo loan.
The market
The average home value across ZIP 48178 is about $458,000, up roughly 4.7% over the past year per Zillow, while median sale prices reported elsewhere run higher, closer to the $500K-$520K band, because the ZIP mixes older city stock with upscale Lyon Township construction. Inventory moves fast: homes have been going under contract in about 20 days, down sharply from roughly 63 days a year earlier. Demand is driven by South Lyon Community Schools' A- reputation, the Ann Arbor employment corridor, and buyers trading dense Novi/Northville pricing for more land. Well-priced "hot" homes can clear in about a week, sometimes over list.
Where to look
($85,000-$180,000): A 55+ active-adult co-op community of attached ranch homes from the 1970s-2000s, with a clubhouse, pool, ponds, and walking paths, the area's most affordable entry point.
($250,000-$450,000): Older, walkable homes steps from the historic shopping and dining district and the South Lyon Hotel.
($300,000-$600,000): A golf-course community of condos and single-family homes wrapped around the 27-hole Tanglewood Golf Club.
($400,000-$550,000): Large 1-5 acre lots with generous spacing and quick access to I-96 and US-23.
($450,000-$650,000+): Newer single-family homes (built ~2012-2014), 2,500-3,500 sq ft with upscale finishes.
All of 48178 is served by South Lyon Community Schools, which spans about 83 square miles across Oakland, Washtenaw, and Livingston counties with 12 schools.
Downtown Detroit is roughly a 45-55 minute drive via I-96.
Michigan property taxes
The year after a Michigan home sells, its taxable value resets to half of the assessor's market value, so the seller's tax bill is not your tax bill.
In the City of South Lyon, our 2026 Uncapping Study found taxable value typically rises about 38% the year after a sale: roughly $1,750 more in first-year tax on a $300,000 home at the local homestead millage. We build your payment on that post-sale number.
I'd much rather somebody ask me, "Why are your taxes higher than what I'm seeing online?" than have them build a housing budget around the wrong assumption.
Local resources
The official offices behind the tax and school details on this page.
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Individual experiences. Results vary.
If yours is not here, ask it on the call. There are no dumb questions.
The average home value in ZIP 48178 is about $458,000, up roughly 4.7% over the past year (Zillow). Median sale prices run higher, in the $500K-$520K range, because the ZIP covers both the older City of South Lyon and the upscale newer builds in Lyon Township.
Very fast. Homes have been going under contract in about 20 days on average (Redfin), down dramatically from roughly 63 days a year earlier. Well-priced “hot” homes can sell in about a week and occasionally over list price, so buyers should be ready to move quickly.
The effective property tax rate is about 1.35%, higher than the ~1.02% national median. The City of South Lyon homestead millage is around 40 mills, while Lyon Township is roughly 31 mills, about 9 mills lower, so a township address can save more than $1,000 a year on a comparable home.
South Lyon Community Schools serves the area, spanning about 83 square miles across Oakland, Washtenaw and Livingston counties. It runs 12 schools, including two high schools, and earns an A- rating from Niche for 2026 with more than 8,400 students.
Downtown Detroit is roughly a 45-55 minute drive via I-96, longer during rush hour. Ann Arbor is only about 20 minutes away via US-23, which is why many South Lyon residents work in Ann Arbor’s Michigan Medicine and Trinity Health systems.
Tell Samantha what you are trying to do in South Lyon and she will tell you what actually matters for your situation, including whether the timing is right.
Not what product you want. What you are actually trying to accomplish.
A licensed Align loan officer works out what matters most for you specifically.
Your options, the tradeoffs, and your next step. No obligation to go further.
Align Lending LLC, NMLS #2041154. Samantha Shelton, NMLS 1647301. Equal Housing Opportunity. Licensed in Michigan, Ohio, North Carolina, Florida, Louisiana and Texas. Figures on this page are market research for orientation, not a quote. This page is for educational purposes only. It is not a credit decision, a preapproval, a commitment to lend, or an offer of credit.
