★★★★★
Very highly recommend Sean
Serving Edgemoor’s prestigious community of mid-century modern architecture near the NIH campus — where renovation history and hillside drainage create complex moisture environments requiring expert assessment.
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EDGEMOOR AT A GLANCE
LOCAL EXPERTISE
Edgemoor is a prestigious and tightly held Bethesda neighborhood immediately adjacent to the National Institutes of Health campus, featuring some of the most architecturally significant mid-century modern homes in Montgomery County alongside traditional colonials and Tudors. The neighborhood developed primarily in the 1940s through 1960s on the wooded hillside east of Wisconsin Avenue.
The proximity to NIH's extensive underground infrastructure and the Wisconsin Avenue corridor's decades of commercial development creates an unusual urban drainage dynamic in Edgemoor. The neighborhood's elevated position relative to Downtown Bethesda means that stormwater flows rapidly downhill through and around the neighborhood — creating erosive drainage patterns and concentrated flow near lower-lying properties.
Many of Edgemoor's architecturally notable homes have undergone major renovations over the decades. Renovation history is a significant mold-risk factor: work performed by contractors who didn't properly flash and waterproof additions, window replacements with improper sealing, and interior renovations that disturbed existing drainage paths without properly restoring them are common sources of latent moisture intrusion in renovated homes.
FLOOD RISK DATA
| Primary classification | Zone X — Edgemoor residential area |
| Drainage complexity | Hillside terrain creates concentrated stormwater flows; several properties have drainage easements |
| NIH campus proximity | Subsurface infrastructure affects local drainage patterns in adjacent blocks |
Source: FEMA Flood Map Service Center · msc.fema.gov
OUR SERVICES
From inspection to remediation, Mold Pro Solutions provides complete mold and water damage services to Edgemoor homeowners.
Thorough visual and moisture assessment of your property. We identify the source and scope of mold growth.
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From Starting at $299YOUR NEIGHBORHOOD
Edgemoor is bounded by Wisconsin Avenue (east), Old Georgetown Road (north), and the NIH campus (south/west). Adjacent to the NIH campus fence line on several residential streets. Nearby: Bethesda Metro (0.7 miles east), Bethesda Row (1.0 mile east), Walter Reed National Military Medical Center (0.9 miles north). Edgemoor Park provides recreational green space within the neighborhood. Serves Walt Whitman and Bethesda-Chevy Chase High School clusters.
Industry gold-standard certifications in mold remediation and water damage restoration.
Emergency calls in Edgemoor get a callback in under 15 minutes, 24 hours a day.
Local expertise means we understand your home's construction, common issues, and the best solutions.
Every job verified with independent testing. We guarantee your home is mold-free when we're done.
COMMON QUESTIONS
Edgemoor remediation projects range from $4,500 to $17,000 — elevated relative to typical Bethesda neighborhoods because Edgemoor's architectural significance means many projects involve preservation-conscious approaches. Mid-century modern homes often feature signature materials (mahogany paneling, flagstone fireplaces, original terrazzo floors, Vitrolite tile) that cannot be simply demolished and replaced without destroying architectural value. Standard-approach contained issues run $4,500–$8,000; preservation-conscious projects with material selective demolition run $9,000–$14,000; cases involving renovation-era concealed moisture with structural implications exceed $15,000. All estimates include architectural review and preservation-approach recommendations where relevant.
Renovation history is the single largest hidden mold-risk factor in Edgemoor. Each renovation that disturbed the original building envelope — additions, window replacements, bathroom or kitchen expansions, finished basement conversions — created transition joints where water can penetrate if not properly flashed and sealed. Renovations performed by contractors unfamiliar with mid-century construction details frequently created problems that took years to manifest. Our assessment protocol for renovation-heavy Edgemoor homes: (1) identify each renovation era from permit records and visual evidence, (2) moisture-meter the transition joints between original and renovated construction, (3) borescope-inspect any wall cavity where we find moisture readings above baseline, (4) air-sample before any demolition. This adds $300–$600 to standard inspection pricing but is essential for accurate scoping.
Yes, on specific adjacent streets. The NIH campus has extensive subsurface infrastructure — tunnels connecting buildings, utility vaults, storm drainage systems sized for institutional campus loads rather than residential runoff. When NIH infrastructure experiences high flows (during storms, during campus cooling-tower operation, during maintenance activities), adjacent residential drainage can be affected by altered water table conditions or concentrated runoff discharge points near property lines. Homes on streets directly bordering the NIH fence line should verify with their neighbors whether anyone else has observed unusual drainage patterns — when several adjacent properties experience simultaneous issues, NIH infrastructure interaction is a likely cause. Documentation of such patterns can support mitigation requests to NIH facilities management.
Yes, more than if you were on an upper street. Hillside drainage concentration is one of the most common and underappreciated Edgemoor mold drivers. Water flowing downhill across multiple properties arrives at lower-elevation homes with significantly higher volume and pressure than it had upstream. Roof runoff, yard drainage, and even sub-surface groundwater flow all concentrate toward lower streets. The practical implication: lower-elevation Edgemoor homes need more aggressive foundation drainage (interior French drain + sump pump systems, often combined with exterior swale reinforcement) than equivalent homes on upper streets. Pre-purchase assessment of lower-elevation Edgemoor homes should specifically evaluate upstream drainage easements and runoff pathways that cross the subject property.
Preservation-conscious remediation protocol. We work with the Edgemoor Citizens Association's architectural guidelines and, when appropriate, with preservation consultants selected by the homeowner. The approach: (1) detailed pre-work documentation photography of all architectural features, (2) selective demolition that preserves significant finishes (careful removal, labeling, and re-installation of original paneling, millwork, or tile), (3) use of historically appropriate remediation materials and methods where modern alternatives would compromise character, (4) coordination with specialty trades (historic plasterers, flooring restoration, millwork matching) for rebuild. Preservation-conscious remediation typically runs 30–50% longer than standard remediation but preserves the architectural value that makes Edgemoor homes significant.
REAL PROJECTS & RESOURCES
Real Bethesda-area projects from start to finish, plus what remediation typically costs.
A slow plumbing leak behind a master shower created hidden mold in wall cavities. The project combined remediation, source correction, and full bathroom reconstruction.
A Full Pricing Breakdown for Homeowners
What to expect from $1,500 to $10,000+ — and how to evaluate any quote you receive.
7 warning signs you might have mold growing in your home — from visible growth and musty smells to hidden moisture stains. Montgomery County homeowners: know what to look for.
Don't let mold compromise your family's health or your home's value. Get a $189 inspection from Montgomery County's trusted mold experts — credited toward remediation if you proceed.
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What do you need help with?
Which mold service do you need?
Do you see visible mold?
Have any photos? (optional)
Photos help us give a more accurate estimate.
How urgent is your situation?
What's your main concern?
Best time to call you?