Stone foundation seeping or Stony Brook over its banks? One number reaches a restoration company, independent of us, that covers Borough and Township addresses.
More than four in ten Princeton homes went up before 1960, so the trouble tends to start in the same old places. Naming the one below that matches your house saves time on the phone.
Stone and block foundations weep after a heavy rain, and a laundry hose can split overnight. How high the water wicked up the wallboard, and whether the carpet pad is soaked, sets how much gets removed. Flood policies leave out finished basement walls and floors, so photograph everything first.
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An aging supply line or a tub drain upstairs soaks into lath and plaster long before anyone notices. Thick plaster holds water and dries slowly, so ask how the provider will measure moisture behind it.
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Water that rises from Stony Brook or the Millstone counts as Category 3 (black) water under IICRC S500, so soaked carpet, pad and drywall usually come out. Creek water through the foundation goes to a flood policy; your homeowners carrier will likely point you there.
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Aging sewer laterals and heavy rain can push sewage up through the lowest drain. This is Category 3 water. Unless it came from general area flooding, only a sewer or water-backup endorsement on your homeowners policy is likely to pay.
Call (844) 817-0267 →Drying out a century-old house on Library Place is not the same job as drying a new build. Here is what the public records say about the town you're calling from.
Median year built for Princeton's 9,906 housing units. About 23% predate 1940 and 44% predate 1960, so plaster walls and stone foundations are common.
Median owner-occupied home value. A slow, careless dry-out puts real money and original woodwork at risk.
Stony Brook's record crest at the Princeton gauge on Sept 2, 2021, after Ida's remnants: 13,600 cubic feet per second, the highest peak in records back to 1953.
Historic preservation overlay districts in Princeton. Exterior repairs inside them may need Historic Preservation Commission review.
Sources: Census ACS 2020-2024 5-year estimates via Census Reporter; USGS gauge 01401000 annual peaks; Municipality of Princeton Office of Historic Preservation.
Quaker, Rosedale and Washington Roads plus Harrison and Stockton Streets were closed, rescue crews pulled people from the water, and more than 5,000 households in the Princeton area lost power (Town Topics, Sept 2, 2021). On campus, water came into Little Hall's basement under a door and into Joline Hall through a window about three feet up. New Jersey was declared major disaster DR-4614.
Before Ida, the gauge logged Irene on Aug 28, 2011 at 16.23 ft, a 1971 flood, Floyd in 1999 and a January 1996 thaw. The most recent big peak came on Dec 18, 2023. Princeton has been in the National Flood Insurance Program since 1984 and adopted Mercer County's current flood maps in 2016.
Since the 2013 merger it is one municipality, but people still say the Borough and the Township. Either way, tell the provider your street and roughly when the house was built.
DimiTalen, CC0
Nassau, Witherspoon, Stockton and Bayard, inside the Princeton Historic District. The old core uses 08542; much of the rest of town is 08540.
Dmadeo, CC BY-SA 3.0
The Einstein House dates from the 1830s-40s; the Western Section's big houses are mostly late 1800s to early 1900s. Deep basements and original plaster. ZIP 08540.
Gary Miotla, CC BY 3.0
The 1906 lake on the Millstone, with the D&R Canal along its east shore. Riverside, Princeton Basin and Port Mercer sit nearest the water. ZIP 08540.
Kenneth C. Zirkel, CC BY 4.0
Where the Battle of Princeton was fought in January 1777, beside Institute Woods, more than 550 acres of trails and wetlands owned by the Institute for Advanced Study. ZIP 08540.
Nassau Hall served as the seat of Congress for part of 1783. Campus has its own ZIP, 08544; Princeton Theological Seminary is in town too.
The 1922 monument sits beside Morven. Elsewhere in 08540: Witherspoon-Jackson with its own historic district, Littlebrook, and the wooded Princeton Ridge.
If PSE&G has your block dark, a charged cell phone is enough.
The first voice is automated and it only needs one thing: 08540 for most of town, 08542 for the old Borough core, 08544 for campus. Tap those digits and the system hands the call over; hanging up at the machine is the one way to lose it.
Tell them which room, which fixture or creek, and whether the water smelled. Get their NJHIC number and a written scope; signing is your call alone.
Only someone who sees the moisture readings can price your job. The national numbers below are HomeAdvisor's (guide dated June 17, 2026), not Princeton quotes.
Most jobs land in this band. The guide's midpoint is $3,868, with a floor near $450 for a small spill and a ceiling around $16,000.
Black water from a Stony Brook flood runs about double the per-foot rate of a clean supply-line leak ($7.50 vs $3.50); gray water sits near $5.25.
HomeAdvisor's typical figure. Thick plaster and stone foundations in pre-1940 homes may need longer; that is our reading, not the source's.
Drywall repair
Ceiling repair
Plumbing repair
Mold removal if water sat too long (average $2,225)
Source: HomeAdvisor, “Water Damage Restoration Cost,” updated June 17, 2026. Basement repairs ranged from $500 to $80,000 in the same guide.
A washing-machine hose that splits in a Littlebrook basement is a homeowners claim; Stony Brook coming in the same window typically is not.
Starts 30 days after you pay, with narrow exceptions, so buying one when a storm is forecast is too late. Basement coverage leaves out finished walls, floors and ceilings.
A floor drain that gurgles up sewage on a dry day falls to a sewer or water-backup rider on the homeowners policy. Flood insurance steps in only if a wider flood forced it up.
The state does not issue a license just for drying out houses or removing mold. Instead, a company doing this work on a Princeton home registers under the Contractors' Registration Act, which the NJ Division of Consumer Affairs runs.
Look the company up before work starts. Registered home improvement contractors must show an NJHIC number, renew every year and carry at least $500,000 per occurrence in general liability insurance. Search the name or number at njconsumeraffairs.gov, or call Consumer Affairs at 800-242-5846. An unregistered contractor will not be issued municipal construction permits.
The contract must be written, with the contractor's legal name and address, start and finish dates, the work, the total price and the registration number, plus a copy of their liability policy.
Change your mind for any reason and you have until midnight of the third business day after the contract reaches you to cancel. Final payment can't be demanded before the work is done.
Under Princeton Ordinance 2023-27, repairs in a flood hazard area costing half or more of the building's pre-damage market value count as substantial damage and trigger elevation rules.
Rebuild permits: Princeton Department of Building & Construction, 400 Witherspoon St, 609-921-7078. Exterior work in a historic overlay district: Office of Historic Preservation, 609-285-4151. Sources: NJ Division of Consumer Affairs brief (revised Jan 13, 2025); princetonnj.gov.
Short on time? Calling gets you a real answer about your own house faster than reading.
Yes. Princeton has three ZIPs and different companies cover different ones, so the system needs yours before it can choose who gets the call. Tap 08540, 08542 or 08544 and the call is then passed to a provider for that ZIP.
Usually not. Rising surface water is a flood claim, and a homeowners policy typically excludes flood. An NFIP flood policy covers some basement items but leaves out finished walls, floors and ceilings, so document everything before anything is torn out.
HomeAdvisor puts a typical dry-out at about five days (June 2026). Plaster walls and stone or block foundations, common in the roughly 23% of Princeton homes built before 1940, may take longer, so ask the provider to confirm dryness with moisture readings.
Rebuilding work generally goes through the Department of Building & Construction at 400 Witherspoon St (609-921-7078). In a flood hazard area, repairs costing 50% or more of the building's pre-damage value count as substantial damage under Ordinance 2023-27, and exterior work in a historic overlay district may need preservation review.
Ask for their NJHIC registration number and look it up with the NJ Division of Consumer Affairs at njconsumeraffairs.gov or 800-242-5846. If the job tops $500, insist on a written contract; New Jersey gives you until midnight of the third business day after you get it to back out.
No. We only pass the call along; the company that answers is independently owned, quotes and schedules on its own, and does the drying itself. Hiring it is entirely up to you.
Tap the number, give the machine your 08540, 08542 or 08544, and describe the wet room to a restoration company.
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