Oakwood

One subdivision, two counties

A neighborhood that straddles a county line is not a curiosity; it has practical consequences that surface in ordinary transactions.

County-level records differ. Deeds, plats and recorded restrictions are filed with the register of deeds for the county the parcel sits in, so two houses on opposite sides of the same road are researched in two different offices. Property tax administration, county services and anything routed through a county department follow the same split.

For comparable sales the trap is subtler. Sales data pulled by county — which is how a good deal of it is organized — will capture one half of this subdivision and not the other. An analysis that looks complete may be missing the houses across the road, and nothing in the output flags it.

So for any specific house here, establish which county the parcel is in early. It is on the listing, it takes a moment, and it determines where the records are and which half of the neighborhood a data pull has actually seen.

Base Line Road, and why Eight Mile is where it is

Eight Mile Road is not eight miles from anything in the ordinary sense. It is a survey line.

Michigan's principal meridian was laid out in the summer of 1815 by a surveyor named Benjamin Hough, contracted that April to run a true meridian north from Fort Defiance. The east-west base line crossing it was established eight miles north of downtown Detroit and runs west from there to South Haven on Lake Michigan. Every numbered Mile Road in metro Detroit counts outward from it, and Northville's Base Line Road carries the survey's name directly.

That line is also the boundary between Wayne and Oakland counties, which is why the City of Northville sits in two counties at once. A single decision made by a surveyor in 1815 set the road grid, the county line, and a good deal of how this corner of the map is divided today.

Small houses with a later spur of large ones

A subdivision that is predominantly 1,000 to 1,500 square feet with a scattering of 3,000-square-foot houses built between 1998 and 2009 contains two quite different products, and they should not be averaged.

The smaller original stock is a genuinely useful thing in this market: modest houses close to a downtown are in short supply across the area, and they reach buyers — first purchases, downsizes, single-level living — for whom the larger stock elsewhere in Northville is simply not the point.

The later infill is a different market entirely. A 3,000-square-foot house built in 2005 on a lot among 1,200-square-foot houses from decades earlier is an unusual product: newer systems and more space, on a street whose character was set by something else. Some buyers value exactly that; others do not. Either way it is not a comparable for the houses around it, and a per-square-foot figure across the subdivision will be wrong for both.

The build year and the size band are therefore the first two facts, and stating them plainly in a listing reaches the right buyers rather than a blurred average.

Four things called Northville

Northville is four separate entities sharing a name, and they do not share boundaries. The City of Northville straddles Eight Mile Road — the Wayne and Oakland county line — so the city itself sits in two counties. Northville Township is entirely in Wayne County and wraps the city on the south, a separate municipality with its own government, taxes and services. The 48167 and 48168 mailing addresses reach past both. And Northville Public Schools is a fourth boundary matching none of them.

The district reaches well outside anything called Northville: in Oakland County it serves Novi Township, the southwestern part of the City of Novi and a southeastern part of Lyon Township, and in Washtenaw County a small part of Salem Township. In the other direction, parts of Northville Township are served by Plymouth-Canton Community Schools instead.

So being in the district tells you very little about which municipality you are in, and the municipality is what sets the tax rate. Both facts appear on a listing; they are worth reading as two facts rather than one.

Northville Township, and what it owns

Northville Township holds about 31,500 people across roughly 16 square miles in Wayne County, bordered by Livonia to the east, Novi to the north, Plymouth Township to the south and Salem Township to the west, north of M-14 and west of I-275.

It was farmland recently enough to be in the record: 4,184 residents in 1950, 7,673 by 1960. The largest recent change is Legacy Park. The state-run Northville Regional Psychiatric Hospital closed in May 2003 after 51 years on a site along Seven Mile Road; the township acquired roughly 350 acres for about $23.5 million after a millage election in 2009, inheriting twenty deteriorating buildings, a water tower and utility tunnels. Final demolition began in June 2022, the public was invited to shape the site's future in 2024, and a police and fire headquarters opened there in 2025, with walking and biking trails going in across the rest.

Maybury State Park sits on the western side — 944 acres that were the Detroit Municipal Tuberculosis Sanatorium from 1921 until 1969, some forty buildings generating their own power and growing their own food, at peak caring for more than 850 patients and employing 475 people. It was sold to the state for $3 million in 1971 and became a park in 1975. And Hines Park reaches this end of the county: seventeen miles of Wayne County parkland along the Middle Rouge from Dearborn out to Northville.

The downtown it opens onto

Downtown Northville's historic core is roughly bounded by Cady, Rogers and Randolph Streets. It was designated a Michigan State Historic Site on December 11, 1970 and listed on the National Register on July 31, 1972, with 73 contributing structures — nineteenth-century brick commercial blocks along Main, with Gothic Revival, Greek Revival and Queen Anne houses above them, most of the Gothic Revival built between 1860 and 1880.

Mill Race Historical Village sits north of Main on Griswold beside Ford Field. The Northville Historical Society created it in 1972 on land the Ford Motor Company donated to the city, and it holds buildings moved there and rescued: the New School Church of 1845, which was a church for four years and then a school, a township hall, a Salvation Army barracks and the town library for seventy years; the J. M. Mead General Store, the last timber-framed building downtown, dismantled board by board and rebuilt with some original material in 2010; the Cady Inn, a saltbox believed to have been an early coach stop; and Wash Oak School, a one-room school that served Washtenaw and Oakland counties from 1873 to 1966.

The largest recent change is on the old racetrack site. Northville Downs ran at 301 South Center Street from 1944 until its last race on February 3, 2024 — Michigan's oldest harness track and the last horse racing track operating anywhere in the state. Its redevelopment carries 443 homes, commercial space and a ten-acre River Park, and about 1,100 feet of the Rouge River, buried since 1962, is being brought back to the surface between Beal Street and Seven Mile. Check the current status of that work directly rather than relying on any description written at a point in time.

Buying or selling here

Two products and two counties in one subdivision means the analysis has to be built rather than looked up, and an automated valuation here is doing neither of the two adjustments that matter.

For a seller, name the county, the era and the size band. Those three facts prevent both a buyer and an appraiser reaching for the wrong evidence, and on a straddling subdivision the county is the one nobody thinks to state.