Free visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Fast, Reliable Storm & Disaster Restoration Across Grand Boulevard
Storm damage in Grand Boulevard moves fast, and so do we. A typical emergency response to any Grand Boulevard address runs 45 to 90 minutes, with a live person answering the phone 24 hours a day. When a summer storm pushes sewage through a basement floor drain on Calumet Avenue or a spring thaw reveals water tracking across a top-floor ceiling on King Drive, you need someone who understands exactly what they’re walking into: century-old masonry, plaster walls that hide moisture for months, and flat roofs that crack every winter. Call (629) 213-4606 and you’ll get a written price before any work starts. No exceptions.
Why DryMark Restoration Is Grand Boulevard’s Preferred Storm & Disaster Restoration Company
Since 2011, our crews have worked inside more than 12,000 homes across the Chicago metro, including a significant number of Grand Boulevard greystones and courtyard buildings. The work here is different from neighboring communities. A water call in West Town might be a burst supply line behind drywall. The same call in Grand Boulevard frequently turns out to be a Category 3 sewage backup that’s been saturating a plaster-on-masonry wall for days before anyone noticed. Our restoration protocol accounts for that difference from the first call.
Alicia Brennan built DryMark around the documentation gap that costs homeowners their insurance claims. She spent years as a claims adjuster watching legitimate water damage get denied because the drying logs were incomplete, the photos didn’t show the full moisture envelope, or the scope of work was revised after the fact. So every job we run in Grand Boulevard comes with a written scope before work begins, a photo record on every visit, and daily drying logs that meet IICRC, RIA, and IFA standards. The 365-Day Done Right Promise applies to every job, stamped and signed under The Haven Standard, not just mentioned in a marketing email.
Key Takeaways for Grand Boulevard Homeowners

- Emergency response to Grand Boulevard addresses typically runs 45 to 90 minutes, 24/7.
- Storm damage in greystone and brick two-flat buildings demands thermal imaging, not just surface moisture meters.
- A written price arrives before any work begins - Haven Standard, Clause 1. Always.
- Plaster walls can often be dried in place. Gutting is not the automatic answer.
- Combined sewer surcharges make sewage backup a recurring summer pattern south of 35th Street.
Before
AfterOur Storm & Disaster Restoration Services in Grand Boulevard
Storm Damage Cleanup
When wind-driven rain breaches a flat roof or a blocked parapet scupper sends water down an interior wall, the visible staining is rarely the full story. In Grand Boulevard’s brick and limestone buildings, water travels along joist pockets and behind original plaster, saturating structural framing before it ever shows on a ceiling. Our Storm & Disaster Restoration team starts every storm call with a thermal imaging scan of the affected rooms and adjacent wall cavities. We map the full moisture envelope, then write the scope. That means the cleanup plan covers the framing you can’t see, not just the drywall you can.

Flood Damage Restoration
Summer storms in this part of Chicago routinely overwhelm the combined sewer system, and Grand Boulevard basements take the brunt of the surcharge. Water backing up through a floor drain isn’t rainwater. It’s Category 3: sewage-contaminated, carrying bacteria, and requiring containment, antimicrobial treatment, and documented drying. Our crews extract, set containment, deploy professional-grade drying systems from XPOWER and B-Air, and log moisture readings daily. The plaster walls in these older buildings take longer to dry than modern drywall. We plan for that from day one and tell you the timeline in writing.

Roof Tarping
Chicago’s freeze-thaw cycles crack flat-roof membranes on Grand Boulevard buildings every year. Once water gets under the membrane, it pools and rots the decking below. Roof tarping is the first line of defense after a storm: it stops active water intrusion while a permanent roof repair gets scheduled. We tarp flat and low-slope roofs on two-flats, greystones, and courtyard buildings throughout Grand Boulevard, and we photograph the tarp placement, the condition of the underlying membrane, and the areas of visible saturation before we leave. That photo record goes to you and your adjuster.

Emergency Board-Up
Broken windows, compromised doors, and storm-damaged entries leave Grand Boulevard properties exposed to further damage and unwanted entry. We board up openings with measured, cut-to-fit plywood and document every opening before and after. For buildings in the Bronzeville revitalization zone, this matters doubly: an unsecured greystone is a liability, and the documentation matters for both your insurance claim and any preservation review that follows.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Grand Boulevard

We don’t bring consumer-grade equipment to a century-old masonry building. For Grand Boulevard calls, our techs use professional drying systems from XPOWER, B-Air, and Injectidry, the same equipment specified for commercial restoration and high-value historic interiors. Injectidry systems in particular matter here: they’re designed for in-place drying of plaster walls and hard-to-reach cavities, which is exactly what a greystone or brick two-flat requires when you don’t want to gut original plaster. Every piece of equipment is documented on the drying log, with serial numbers and placement locations recorded for the adjuster.
Common Storm & Disaster Restoration Problems We See in Grand Boulevard Homes
- Hidden Category 3 saturation behind horsehair plaster: A sewage backup soaks the base of a masonry wall, the surface looks damp but not stained, and homeowners wait. By the time the smell arrives, the contamination has been sealed inside the wall cavity for weeks. Thermal imaging catches this before demolition starts.
- Flat-roof membrane cracks from freeze-thaw cycling: Winter ice expands the membrane, summer heat contracts it, and by spring the seams have opened. Water enters for weeks before anyone sees a ceiling stain. By then the joist pockets are saturated and the plaster keys are failing.
- Concealed rot behind original trim: In two-flats and greystones, old-growth trim and baseboards can look fine from the room side while the back side rots against a damp wall. We inspect behind trim with borescopes and document what we find before recommending removal.
- Premature re-flooring after incomplete drying: We regularly see floors reinstalled over subflooring that wasn’t fully dried to standard. Wood in these older buildings absorbs water differently than modern plywood, and a single missed pocket of moisture re-wets the finish floor within weeks. Our drying logs track subfloor moisture content until it’s stable, not just until the surface feels dry.
Pricing for Storm & Disaster Restoration in Grand Boulevard, IL

Here’s what storm damage work typically costs in Grand Boulevard right now. Emergency board-up runs $350 to $900 depending on opening count and the condition of the existing frames. Roof tarping on a two-flat or greystone flat roof runs $500 to $1,400 for the tarp, fasteners, and the photo documentation package. Storm damage cleanup and water extraction start around $1,200 and commonly run $2,200 to $5,500, but that number moves based on what the thermal imaging finds. Full Category 3 sewage remediation in a Grand Boulevard basement, including containment, antimicrobial treatment, and documented drying, typically runs $6,500 to $15,000 depending on the extent of wall saturation and whether plaster needs in-place drying or selective removal.
Flood damage restoration with in-place plaster drying sits between storm cleanup and full sewage remediation, usually $3,800 to $9,500. Every one of these numbers comes as a written quote before any work starts, not a ballpark that grows once the crew is inside. That’s Haven Standard, Clause 1. You can also bring us a competitor’s written estimate and we’ll review it at no charge. A second opinion costs you nothing and usually saves money.
How Grand Boulevard’s Housing Stock Changes the Restoration Job
Grand Boulevard’s Bronzeville district is densely packed with greystone two-flats and courtyard apartment buildings dating from the 1890s to the 1920s. These buildings endured decades of deferred maintenance, and the damage our crews uncover reflects that history. A flat-roof leak that began years ago may have silently rotted structural framing behind original horsehair plaster. What looks like a surface water call from a summer storm turns out to require a full interior gut. The technical problem is century-old materials: plaster on masonry traps moisture against brick for months without visible interior signs, cast-iron drain stacks corrode from the inside, and original hardwood floors cup and buckle under moisture loads they were never designed to absorb. The preservation problem is equally real. Bronzeville is in active revitalization, and homeowners are rightly reluctant to tear out original trim, plaster crowns, and hardwood flooring. Our job is to dry what can be saved, remove only what can’t, and document every decision in a way that holds up under both adjuster review and preservation scrutiny.
That’s why we run thermal imaging as standard on Grand Boulevard storm calls. In a wood-frame suburban house, a surface moisture meter tells you most of what you need to know. In a courtyard greystone, it tells you almost nothing about what’s happening behind the plaster. We also plan for longer drying timelines. A plaster wall in a Grand Boulevard greystone can take three to five times longer to dry than drywall in a modern build. Rushing that process means mold returns after the floors are reinstalled, and the re-mitigation costs more than the original job. We’d rather set the right expectation upfront.
A Field Note from Calumet Avenue

Our Storm & Disaster Restoration crew was called to a three-flat greystone on Calumet Avenue after a spring thaw revealed ceiling staining on the top floor. Using thermal imaging, we found the flat roof membrane had cracked over the winter, saturating the original plaster ceiling and the joist pockets behind it. We set up containment, used our Injectidry system to dry the horsehair plaster in place, and wrote a scope of work that preserved the original trim while removing only the unsalvageable lath. Then we applied antimicrobial treatment and signed off the drying logs. The plaster stayed. The ceiling didn’t collapse. The claim went through without a fight because the documentation showed exactly what we found, what we did, and why the plaster was saved.
What Grand Boulevard Homeowners Should Check After Every Storm
If you own a brick two-flat or greystone in Grand Boulevard, a few minutes of inspection after a storm can save you weeks of remediation. Walk the flat roof if it’s safe to access. Look for membrane cracks, ponding water, and loose flashing along parapet walls. Inside, check the top-floor ceilings at the room corners, where water entering at the parapet tends to travel along joist pockets before it shows. Test basement floor drains by running a few gallons of water; a slow drain after a storm often means a surcharged sewer line, and that’s Category 3 water. Sniff the basement corners. Sewage backup in these older buildings sometimes leaves no visible stain for weeks, but the odor shows up early. If any of these checks raises a question, call us. The inspection is free, and if we find damage, you’ll have a written scope and a photo record before you spend a dollar.
We Also Serve Cities Near Grand Boulevard

Our crews cover Storm & Disaster Restoration in Grand Boulevard and the surrounding communities: Chicago, West Town, Near North Side, and Cicero. If your property sits near the Grand Boulevard border or you manage buildings in multiple South Side neighborhoods, one call covers the full service area. The same documentation standards apply everywhere: written price first, photo record every visit, drying logs daily. That’s the Storm & Disaster Restoration standard Alicia Brennan built the company on, and it doesn’t change at the city line.
Serving Grand Boulevard, IL - Our Local Coverage Area
We’re based in the Grand Boulevard area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Storm & Disaster Restoration in Grand Boulevard

Freeze-thaw damage on a flat roof creates openings that let rainwater into the building envelope, but the water that ends up inside the walls and ceilings is initially Category 1 or 2, not Category 3, because it hasn’t come from a sewage source. However, if that water sits in a wall cavity for days or weeks, it degrades into Category 3 by bacterial growth, and the contamination level changes how we have to remediate. The practical answer: a roof leak that’s been running silently through a winter freeze-thaw cycle is almost always Category 2 or worse by the time you see a stain, and we treat it accordingly with containment and antimicrobial treatment. Call (629) 213-4606 and we’ll assess it with thermal imaging before anyone opens a wall.
In most cases, horsehair plaster can be dried in place using systems like Injectidry that pull moisture out of the wall cavity without demolition. The plaster keys and the lath behind them need to be structurally sound, which we verify with a borescope, and the drying timeline runs significantly longer than drywall because masonry walls hold moisture differently. We recommend gutting only when the plaster is already delaminating, the lath is rotted, or the contamination penetrates beyond what in-place drying can address. The decision gets made based on documented evidence, and we write the scope accordingly.
Grand Boulevard sits in a part of Chicago where the combined sewer system carries both stormwater and sanitary sewage in the same pipes, and the older mains in this area surcharge more readily during heavy summer storms than the separated systems in some newer neighborhoods. When the main backs up, it pushes sewage up through basement floor drains and into the lowest point of your building. That’s Category 3 water, and it requires full containment, antimicrobial treatment, and documented drying, not just mopping. If you see water coming up through a floor drain during or after a storm, call us before you touch it.
Check the roof surface for membrane cracks and ponding water, then check the top-floor ceilings at the corners, where parapet leaks first show up inside. Run water through the basement floor drain to see if it’s backing up, which indicates a surcharged sewer line. Sniff the basement corners for an odor that suggests sewage has already backed up and been absorbed by the masonry. And if anything looks or smells off, call (629) 213-4606. A free inspection with thermal imaging beats a written repair bill for damage that got worse while you waited.
A saturated plaster wall in a greystone typically takes 5 to 14 days to dry to standard using in-place drying systems, compared to 3 to 5 days for a drywall wall in a wood-frame building. The masonry behind the plaster releases moisture slowly, and the horsehair plaster itself acts as a hygric buffer. We monitor moisture content daily with penetrating meters and thermal imaging, and we don’t sign off the drying log until the readings are stable across the full wall thickness, not just the surface. Rushing this step is how mold returns after the floors go back in. We’d rather take the extra days now than the re-mitigation later.
Written by Alicia Brennan, Owner at DryMark Restoration, serving Grand Boulevard and the broader Chicago area since 2011.






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