(844) 544-3498
24/7 Emergency Response
Licensed & Insured
Humane Methods
Local Experts
Marietta, Georgia

🦇 Bat Removal in Marietta

Local licensed expert serving Marietta and all of Cobb County. Bat colonies in attics leave dangerous guano that carries histoplasmosis and attracts parasites. Removal requires licensed specialists.

Bats in Marietta, Georgia

Big brown bat colonies are a defining wildlife issue in Marietta — the brick masonry, gable vents, and unscreened soffits of the antebellum and Victorian housing stock around the Marietta Square historic district provide ideal maternity-roost conditions. Colonies of 40–200 bats are common in Marietta's older homes, and once established the females return to the same structure every year. Georgia DNR prohibits exclusion from May through August during the maternity season when nursing pups cannot fly. The optimal exclusion window in Marietta is September through early April, with guano cleanup and attic decontamination almost always required afterward.

Bat Removal — Marietta, Georgia

Licensed local expert. Same-day and emergency service in Marietta.

(844) 544-3498

Serving Marietta and all of Cobb County, Georgia

Licensed & Insured Same-Day Available Humane Methods

Bat Removal in Marietta — What to Expect

Bat guano grows a dangerous fungus (Histoplasma). State laws protect bats so exclusion must follow legal guidelines.

Signs in Marietta 🦇

Signs You Have Bats

Bat exclusion has seasonal restrictions — typically not permitted May through August when pups cannot fly. Contact us immediately to schedule.

  • Bats flying near roofline at dusk
  • Squeaking sounds in walls
  • Guano piles near entry points
  • Dark staining around gaps
  • Strong ammonia smell in attic
(844) 544-3498
🛠️

Our Process in Marietta

Our local Cobb County contractor serves all of Marietta using the same proven, humane process for every job.

  • Colony exclusion (bat-safe methods)
  • Guano removal and decontamination
  • Attic restoration
  • Entry point sealing after exclusion
  • Rabies exposure assessment
(844) 544-3498

Marietta Historic Chimney and Attic Bat Colonies

The Marietta historic-district housing stock is structurally near-ideal for big brown bat colonies. Original masonry chimneys provide protected, climate-stable maternity sites; bats access through chimney-cap failures, top-of-chase gaps, or stack-flashing deterioration and roost in the smoke chamber or chase voids. Original wood soffits and pre-1940 gable louvers provide attic-side entry — bats need only a 3/8-inch gap to enter, much smaller than the openings raccoons or squirrels require. The pre-WWII Marietta housing pattern routinely produces 4-5+ viable bat entry points per property.

Once established, Marietta colonies persist for decades. Big brown bat daughters return to their natal roosts to whelp, so colony memory is multigenerational. Long-established Marietta colonies routinely produce inches of accumulated guano over the years, and decontamination scope scales with how long the colony has been undetected.

Marietta Historic-Home Guano Cleanup

Guano remediation in Marietta historic homes is more involved than in newer construction for several reasons specific to pre-1940 attic spaces:

  • Original lath-and-plaster ceilings. Urine saturation can cause ceiling-side drywall sagging and damage the original plaster from above; remediation has to address structural integrity, not just guano removal.
  • Older insulation types. Original cellulose, blown vermiculite (which may also carry asbestos concerns in pre-1980 construction), and aged fiberglass with degraded vapor barriers — all absorb urine quickly and require full removal and replacement.
  • Multiple roost-site contamination. Long-established colonies use multiple roost spots within the attic; guano deposits aren't always concentrated in one area.
  • HVAC-duct contamination. Older Marietta homes with attic-mounted HVAC components often see histoplasmosis-spore contamination spread through ducts.

Professional decontamination uses HEPA equipment and proper PPE. Histoplasmosis from Histoplasma capsulatum is the public-health concern — DIY cleanup of established Marietta guano deposits is genuinely hazardous.

⚠️ Maternity Season — Exclusion Restricted

Bat exclusion is legally prohibited in most states during the maternity season while nursing pups cannot fly. We can inspect and prepare now so exclusion can begin the moment the season ends.

Bat Removal Cost in Marietta

$400–$1,500+

Exclusion work. Guano cleanup and attic decontamination adds $1,500–$8,000+ depending on colony size. Call for an estimate — pricing varies by contractor and job complexity.

Frequently Asked Questions — Bat Removal in Marietta

Can bats be removed from a Marietta home in summer? +
No — Georgia DNR prohibits bat exclusion from May through August during maternity season when flightless pups depend on the colony. We can inspect, document the entry points, and prepare exclusion materials so work can begin the moment the season ends in September.
How dangerous is bat guano in Marietta attics? +
Accumulated guano grows Histoplasma capsulatum — a fungus that causes histoplasmosis when spores are inhaled. Marietta's humid climate accelerates fungal growth. Cleanup requires HEPA filtration, full PPE, and sealed disposal — not a DIY project.
How much does bat removal cost in Marietta? +
Most Marietta bat jobs run between $600 and $1800+ depending on colony size, structural complexity, and the amount of guano remediation required. Single-bat-in-house calls and small-colony exclusions on newer construction sit at the low end. Marietta historic-district colonies — particularly long-established chimney roosts in pre-1940 housing — frequently exceed $3,000+ once full guano remediation is included. Newer Marietta construction outside the historic district resolves at the lower end of the range. Decontamination of insulation contaminated with guano (a histoplasmosis source) typically adds $1,500 to $5,000+ depending on attic square footage. The variable is colony size and remediation scope, not the trapping itself — and trapping bats is essentially banned in Georgia.
When can bat exclusion be done in Marietta? +
The legal exclusion calendar in Georgia rules out most of the summer. May through August is the maternity season when non-flying pups are present, and exclusion during that window traps the pups inside the structure. The two safe windows are April (before maternity-season activity) and September through mid-October (after pups are flying and the colony is dispersing toward winter habitat). Inspections, planning, and entry-point identification can happen any time of year; only the one-way-valve installation and the final structural sealing have to be timed around the legal calendar.
Is bat guano in my my Marietta attic dangerous? +
Yes. Bat guano supports growth of Histoplasma capsulatum, a fungus that produces histoplasmosis when its spores are inhaled — a real public-health concern when guano is disturbed during DIY attic cleanup. Long-established colonies can produce inches of accumulated guano over years, and the structural risk includes ceiling drywall sagging from urine saturation, insulation contamination requiring full removal and replacement, and HVAC-duct contamination spreading spores through the home. Professional decontamination uses HEPA equipment and proper PPE; DIY cleanup of established guano deposits is genuinely hazardous.
Are bat colonies in Marietta historic chimneys really decades old? +
Yes — Marietta Square historic-district masonry chimneys frequently host big brown bat colonies that have been continuously occupied for 20-40+ years by the time the homeowner first notices activity. Daughters return to their natal roosts to whelp, so colony memory is multigenerational and persists across changes in property ownership. The first noticeable sign is usually guano accumulation on siding or porch areas below an entry point, or a single bat appearing in living space — and by that point, the colony has typically been there for many years and the guano deposit is substantial.
Why can't I do bat removal myself in Marietta? +
Two reasons. First, Georgia DNR Wildlife Resources Division regulations restrict bat exclusion during the maternity season — typically May through August — when pups are non-flying and would be trapped inside the structure to die. Second, all bat exclusion in Georgia must use one-way valves, not trapping; trapping bats is essentially banned because the species are protected under both state and federal regulations. Any DIY attempt during the wrong calendar window or using the wrong method risks both dead-pup callbacks and regulatory exposure. Professional Marietta contractors hold the required Georgia DNR licensing and follow the legal exclusion calendar.
How much does bat removal cost in Marietta, Georgia? +
Bat exclusion in Georgia typically costs $400–$1,500+ for the exclusion work itself. Guano cleanup and attic decontamination — required to eliminate the health risk from Histoplasma-contaminated material — adds $1,500–$8,000+ or more depending on colony size. Marietta properties with large, long-established colonies are at the higher end of this range.
Are there legal restrictions on bat removal in Georgia? +
Yes. Bats in Georgia are protected under state law administered by the Georgia Department of Natural Resources. Bat exclusion is prohibited during the maternity season — typically May through August — when nursing pups cannot fly. Performing exclusion during this period is illegal and traps pups inside, causing a serious decomposition problem. Contact us now to get on the schedule for the legal exclusion window.
Is bat guano in my Marietta home dangerous? +
Yes. Bat guano supports the growth of Histoplasma capsulatum, a fungus that causes histoplasmosis — a serious respiratory illness documented in Georgia. Disturbing dry guano releases spores into your home's air. Do not sweep, vacuum, or disturb bat droppings. Professional cleanup with respiratory protection and proper disposal is required.
I found one bat inside my house in Marietta — do I have a colony? +
A single bat inside living space usually entered from an attic or wall void where a larger colony roosts. This is one of the most common bat calls across Georgia. A professional inspection can determine whether you have a colony above the ceiling. Any bat that may have had contact with a sleeping person should be tested for rabies — contact Georgia Department of Natural Resources for guidance.
How do professionals remove bats in Georgia? +
Bats are not trapped — they are excluded. One-way exclusion devices are installed over every entry point so bats can exit but not re-enter. After all bats have departed — typically 3–7 nights — the devices are removed and all gaps are permanently sealed. The Georgia colony is never harmed, and all work follows Georgia Department of Natural Resources guidelines.

Bat Removal & Other Wildlife — Across Cobb County

Same licensed contractor, broader coverage.

More Wildlife Services in Marietta

Your local contractor handles all wildlife removal needs