Seasonality and the slow-season plan for waterproofing companies, month by month
When the phone rings for a waterproofing company, why winter goes quiet, and a month-by-month plan to sell interior work and book the spring calendar.
The waterproofing phone has two seasons. It rings in March through May when the ground thaws and the spring rains find every crack, and again in September and October after the fall storms. It goes quiet from December through February when the ground is frozen, exterior work stops, and homeowners stop thinking about the basement. Most companies run their marketing on the same curve: spend in spring, cut in winter. That is backwards. Winter is when the next spring's calendar gets built and when the ad auctions are cheapest.
The shape of the year
Rough demand by month for a Northeast or Midwest company, with 100 as the spring peak: January 35, February 40, March 80, April 100, May 95, June 70, July 55, August 60, September 80, October 75, November 50, December 35. Sun Belt and crawl space markets flatten the curve and shift it toward the rainy season. Yours is in your call log; pull two years of calls by month and you have the chart.
Three things follow from the curve. Spring overflows, so some inspections book two weeks out and go cold. Summer is where the exterior work gets done. Winter is where the planning happens and where a company either builds the spring calendar or waits for it.
What sells in winter
Everything that happens inside. Interior drainage systems install in January; the basement is 55 degrees whether it is snowing or not. Sump pump replacement and battery backup. Crack injection, which is the best winter product in the trade: a $600 to $1,500 job, two hours, and the homeowner is grateful because the freeze is what pushed water through the crack. Crawl space encapsulation, which is more comfortable in February than in August. Dehumidifier installs. Carbon fiber straps on a bowing wall.
The marketing message changes with it. In spring the message is "water in the basement, free inspection this week." In winter it is "fix it before the thaw," and "we are booking exterior work for April now, a deposit holds your date."
Month by month
November. Send a battery backup check to every past install: power outages and sump failures go together, and a text from the company that installed the pump books service calls. Switch Google Ads copy to winter terms and lower the budget a third, not to zero. Shoot video of crack injections for the winter Meta ads.
December. Run crack injection and interior system ads on Meta at a low budget. Email every open estimate from the year: "The quote stands, and if you book before January 31 the battery backup is included." Plan the spring: staffing, trucks, the ad budget by month.
January. The slowest month and the cheapest auction. Google clicks cost a third less than April. Keep Search running on the wet-basement and crack terms because the people searching in January have a real problem. Call every home inspector and realtor on your referral list; they are slow too and will take the meeting. Post weekly on the Google profile so it does not look dormant.
February. Open the spring calendar. Text the open estimates and past inspections: "We are booking exterior excavation for April. A deposit holds your date before the spring rush." Run the same message on Meta to past site visitors. Raise the Google budget back up the last week of the month ahead of the thaw.
March. Full budget. The thaw starts the calls. Make sure text-back is on and the office is staffed for Saturdays, because 36.1% of your competitors list Saturday hours and the storm does not wait for Monday. The follow-up guide covers the weekend.
April and May. Peak. The marketing job is capacity: book inspections no more than a week out, quote the same day, and take deposits so the summer install calendar is real. Ask for reviews on every job; this is where the year's review count gets built.
June through August. Exterior work. Ads shift to crawl space, which is a summer worry because of humidity, and to exterior waterproofing for the homeowners who decided after the spring. Shoot the exterior excavation video that runs all next winter.
September and October. Second peak with the fall rains. Same as spring at smaller scale. Push the sump and battery backup message before the first freeze. Start the referral calls again before everyone goes quiet.
Budget across the year
A company spending $36,000 a year on Google and Meta should not spend $3,000 every month. A reasonable shape: $1,800 in December and January, $2,500 in February and November, $4,000 in March and September, $4,500 in April and May, $3,000 in the other months. Winter dollars go further per click and the spring dollars arrive when the calls do. Keep something running every month, because the Google account that gets paused in December starts over from nothing in March.
Cash in the slow season
The books decide whether a slow season is a plan or an emergency. Deposits taken in February on April work carry January. A company that quotes only exterior work at $20,000 and takes nothing until install has no winter revenue. One that sells crack injection and interior systems in January and takes a third down on the spring excavations has a steady year. The pricing guide covers deposits.
Frequently asked
Should I pause Google Ads in winter? Lower it, do not pause it. A paused account loses its history and the January searcher has a real problem. A third of the spring budget on the wet-basement and crack terms is the usual setting.
What is the best winter offer? Not a discount. "Battery backup included on interior systems booked before January 31" or "a deposit holds your April date" both move the calendar without cutting the price.
My market is the Southeast with crawl spaces, not basements. Does this still apply? The curve shifts to the rainy season and humidity, and summer becomes the crawl space peak. The principle holds: market in the off months when the auction is cheap and build the busy months' calendar ahead of time. The benchmark report breaks the data out by state.
Seasonal campaigns are set up as part of the Google Ads, Meta and email services in the free 14-day trial, no card, text or call. See the free trial page.
Steven has spent the last several years running growth campaigns for local service businesses, waterproofing companies among them, and builds the benchmark datasets on this site from public Google listings. About the editor