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Three hundred and sixty-three houses is real depth

Volume is the scarcest thing in a comparable-sales analysis, and most neighborhoods around here do not have it. A subdivision of 363 houses does, and it is worth using deliberately.

That size produces genuine turnover year after year, from inside the subdivision, on similar product — which makes pricing tractable in a way it simply is not on a street of twenty. Where that volume exists, an automated estimate is likelier to be roughly right than on a small plat.

But roughly right still needs checking against form, plan and condition, which no automated tool adjusts for properly. Where a builder used a catalog of plans across 363 lots, identifying which plan a house is and finding a recent sale of the same one is what turns an approximate analysis into a tight one — and at this scale, same-plan comparables genuinely exist. Asking which plan a house is is worth the question.

Lot position also does real work across 363 lots: interior versus perimeter, what backs the rear yard, and the relationship to Nixon and Pontiac Trail are all differences worth pricing rather than averaging away.

Guenther appears repeatedly around here — it built Meadow Creek in Dexter, Maple Creek in Saline and North Meadows in Webster Township. A builder working across a region to a consistent standard means construction knowledge travels between its subdivisions more than it usually would, which is worth something when a specific finding turns up in one of them.

A nine-year build across the whole subdivision

Construction from 1997 to 2006 spans nine years, which means the earliest and latest houses differ by nearly a decade of code, materials and accumulated wear, and should not sit in one comparable set without adjustment.

That is the counterweight to the volume advantage above. Three hundred and sixty-three houses give plenty of data, but the data spans a decade.

What it does raise is composite and hardboard cladding of the period, whose performance depends on how ends, edges and penetrations were sealed. Twenty to twenty-eight years is long enough for the difference to show, and the bottom courses and anywhere a deck or porch meets a wall are where to look.

At this age the first replacement cycle has arrived across the earlier part of the subdivision and is arriving across the later. Original roofs are at or past a typical asphalt shingle service life for the earlier houses. Original furnaces, air conditioning and water heaters are at or beyond normal expectancy. Original double-glazed windows show seal failure as fogging between the panes.

A nine-year build also usually means more than one recorded plat. Restrictions attach to plats rather than to marketing names, so the terms can differ between sections of what looks from the street like one subdivision. Obtain the instrument recorded against the specific parcel.

The northeast side, between Nixon and Pontiac Trail

This part of Ann Arbor sits north of the Huron River and within reach of the University of Michigan's north campus and the North Campus Research Complex — the former Pfizer research campus the university acquired, which is a more durable kind of institutional neighbor than a corporate site.

US-23 lies east, and M-14 runs west from the northern side of the city, which puts a good deal within a reasonable run in several directions.

The northeast side also holds a substantial part of the city's natural area system. Where any of it adjoins a specific lot, the ownership question decides its durability: publicly held land, land under a recorded conservation easement, association common area, or unbuilt private ground protected only by whatever zoning and wetland rules apply. Those four look identical from a window and are worth very different money.

Nixon Road and Pontiac Trail are both through routes, so the ordinary corridor question applies: convenience and traffic in the same package, varying with how far in from the road a house sits and what stands between. Worth standing on the lot at a weekday rush hour rather than a Sunday.

A range across nearly two-fold

Plans from about 1,700 to 3,500 square feet mean the largest houses are roughly double the smallest, so a subdivision average describes no actual house in it.

The two ends draw different buyers and compete against different alternatives, and the carrying costs differ with them: a larger house has more of everything that ages, and replacement costs scale with size. At twenty to twenty-eight years the difference between a house where that work has been done and one where it has not is proportionally larger at the upper end.

One item regardless of era on a house approaching 3,500 square feet: how many heating and cooling zones serve it. A single zone across that area commonly leaves one part of the building uncomfortable, and retrofitting zones afterward is expensive.

Lots up to two-thirds of an acre are generous by city standards without being acreage, which usually means municipal utilities and room for the things recorded restrictions tend to govern — a shed, a pool, an addition. Read the restrictions recorded against the parcel before assuming any of them is possible.

Four tiers of protected open space

Where open ground adjoins a property, ownership is the first thing that decides whether it stays open — but not the only one.

Land held by a public body is generally the most durable, though a public body can still sell or repurpose land. Land under a recorded conservation easement is next — an easement runs with the land, surviving a change of owner and of local board. Association common area is real protection that the owners themselves pay for. Unbuilt private land carries the least protection of the four, but that is not the same as none: zoning, recorded deed restrictions and state wetland regulation can each constrain what may be built, filled or cleared, and EGLE requires authorization for specified activities affecting regulated wetland.

From a window all four look identical, which is why it is worth checking the record rather than the view: ownership, any recorded easement or restriction, the zoning, whether wetland is mapped, and whether a development application has already been approved.

Schools

This community is served by Ann Arbor Public Schools. District boundaries are redrawn from time to time.

Assignment is set by address rather than by neighborhood name, and district boundaries in this county cross municipal and postal lines routinely. District is one of the larger drivers of price difference between otherwise comparable properties, so comparables should be matched on it as well as on municipality.

Buying or selling here

The plan and the year are the two things to pin down, and at this scale both are worth the effort because same-plan comparables actually exist.

For a seller, naming the plan and the year built gives an appraiser what it needs in a subdivision large enough to have genuinely comparable sales — which most of the area cannot offer. Dated records for the roof, mechanicals and any work done matter more toward the earlier end of the build.