Cleaning Older and Historic Homes in Northville

A care guide for the Queen Anne houses of Northville, the prewar homes of Plymouth and the old village houses of Milford and South Lyon: wood, plaster, old paint and what to leave alone.

Northville and Plymouth have deep roots. Both were settled in 1825 and both became villages in 1867, and their oldest neighborhoods still look the part, with front porches, tall windows, painted trim and original wood floors.

Those houses can be cleaned well, but not the same way as a 2005 colonial. This guide covers the materials found in the area's older homes, the safe way to clean each one, the lead paint caution for anything built before 1978, and the outside work that belongs to the historic district commission.

How old the houses really are

Census estimates put the median build year for homes in the city of Northville at 1968. About 23 percent of its houses were built in 1939 or earlier, and about 68 percent before 1980. Many of the homes around downtown are Victorian era houses in the Queen Anne style, a heritage the city celebrates every September at its Heritage Festival.

Plymouth is older on average. Its median home dates from 1961, close to 30 percent of homes predate 1940 and about 76 percent were built before 1980. In Milford, which grew around an 1832 sawmill and incorporated as a village in 1869, about 17 percent of homes predate 1940. Plymouth Township, which surrounds the city, has a median build year of 1977.

For a sense of how far back the local building tradition goes, Northville's Mill Race Village gathers historic buildings on the site of an early gristmill, including the Greek Revival Hunter House from 1849 and the Victorian Yerkes House from 1868.

Wood floors, plaster and old trim

Original hardwood. Old floors have often been refinished several times and may have thin wear layers. Use a barely damp mop and a cleaner made for sealed wood, never a soaking mop or steam. In salt season, wipe up white residue near the doors quickly, since brine is hard on old finishes.

Plaster walls. Plaster is harder than drywall but can crack and dust at old repairs. Spot clean marks with a soft, barely damp cloth and test first. Do not scrub hard at hairline cracks.

Painted trim and spindles. Victorian staircases, porch columns and window casings have many layers of paint. Dust them with a soft cloth, wipe gently and leave chipped or peeling areas untouched.

Old tile. Small hex and subway tile bathrooms from earlier decades have porous grout. Mild cleaners and soft brushes protect it better than acids or bleach.

Lead paint: the pre-1978 rule

Most of the housing in the city of Northville and in Plymouth was built before 1980, which means a large share was built before 1978, the year lead was banned in household paint. The State of Michigan's MI Lead Safe program encourages all residents, especially those in homes built before 1978, to apply for its home lead services.

For cleaning, the rule is simple. Nothing gets sanded, scraped or stripped, paint chips are never dry swept or vacuumed with an ordinary vacuum, and window sills and wells with flaking paint are wiped gently with a damp cloth or left for a lead professional. Tell the cleaners about any peeling areas before the first visit.

The historic district and the outside of the house

Northville adopted a historic preservation ordinance in 1974, and its Historic District Commission rules on construction, alterations, exterior changes, exterior paint colors and demolition for every building in the district. If your house sits in the district, check with the city before any exterior work, including power washing painted siding or trim, which can strip old paint.

A house cleaning visit stays inside. Porch furniture and the inside of storm doors can be wiped down, but siding, roofs and exterior paint are outside the scope.

Damp basements and old bathrooms

Older houses often have basements and bathrooms that stay damp in summer, when the mean dew point at Detroit Metro reaches about 61 degrees. Run a dehumidifier in the basement, use bathroom fans and wipe small mildew spots on tile and caulk as part of regular cleaning.

If you find mold on walls, ceilings or wood framing, call a contractor. The Michigan Department of Health and Human Services notes that the state does not certify mold remediators or testing companies and does not recommend mold testing. Finding and fixing the moisture is a building job.

More for Northville homes

Sources

  1. Wikipedia, Northville, Michigan: en.wikipedia.org/wiki/Northville,_Michigan
  2. City of Plymouth, History: www.plymouthmi.gov/explore_plymouth/about_plymouth/history
  3. Census Reporter, ACS 2024 5-year housing tables (B25003, B25024, B25034, B25035, B25041), Northville city: api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B25003,B25024,B25034,B25035,B25041,B25077&geo_ids=16000US2658980
  4. Census Reporter, ACS 2024 5-year housing tables (B25003, B25024, B25034, B25035, B25041), Plymouth city: api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B25003,B25024,B25034,B25035,B25041,B25077&geo_ids=16000US2665060
  5. Wikipedia, Milford, Michigan: en.wikipedia.org/wiki/Milford,_Michigan
  6. Census Reporter, ACS 2024 5-year housing tables (B25003, B25024, B25034, B25035, B25041), Milford village: api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B25003,B25024,B25034,B25035,B25041,B25077&geo_ids=16000US2653960
  7. Census Reporter, ACS 2024 5-year housing tables (B25003, B25024, B25034, B25035, B25041), Plymouth charter township: api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B25003,B25024,B25034,B25035,B25041,B25077&geo_ids=06000US2616365080
  8. State of Michigan, MI Lead Safe: www.michigan.gov/mileadsafe
  9. City of Northville, Historic District: www.cityofnorthvillemi.gov/205/Historic-District
  10. NOAA NCEI, 1991-2020 U.S. Climate Normals, Detroit Metro Airport (USW00094847), hourly normals: www.ncei.noaa.gov/data/normals-hourly/1991-2020/access/USW00094847.csv
  11. Michigan Department of Health and Human Services, Mold: www.michigan.gov/mdhhs/safety-injury-prev/environmental-health/topics/mold
  12. Road Commission for Oakland County, Snow Plowing: www.rcocweb.org/160/Snow-Plowing
  13. Wikipedia, Northville Township, Michigan: en.wikipedia.org/wiki/Northville_Township,_Michigan
  14. Census Reporter, ACS 2024 5-year housing tables (B25003, B25024, B25034, B25035, B25041), Northville township: api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B25003,B25024,B25034,B25035,B25041,B25077&geo_ids=06000US2616359000
FAQ · Older and historic homes

Frequently Asked Questions

The questions Northville homeowners ask most often about this topic, answered plainly.

A barely damp microfiber mop and a cleaner made for sealed wood, with the floor dried as you go. Avoid steam mops and soaking wet mops, which can push water into old seams. In winter, wipe up road salt near doors quickly, since it dulls old finishes.
It can be. Homes built before 1978 may have lead paint, and about three quarters of Plymouth homes were built before 1980. The state's MI Lead Safe program encourages owners of pre-1978 homes to apply for its lead services. During cleaning, nothing should be sanded or scraped, and paint chips should never be dry swept.
Check with the city first. The Historic District Commission rules on exterior changes and paint colors for buildings in the district, and high pressure water can strip old paint. A house cleaning visit covers the inside of the home only.
Usually, yes. Victorian trim, tall windows and decades of buildup in corners mean the first visit has much more detail work than later ones. A deep clean hand washes baseboards, wet-wipes blinds and clears window tracks, and recurring visits then keep reachable baseboards and blind slats dusted.
No. The historic district and its commission belong to the city of Northville. Northville Township is a separate community that split from Plymouth Township in 1898, and its housing is much newer, with a median build year of 1993.

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