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Mariel Gniewoz-Weiss

Mariel Gniewoz-Weiss
Real Estate Agent (Associate Broker (AB)-Standard)
Montgomeryville PA

Associate Broker (AB)-Standard (PA: AB069162)

21 years experience

REALTOR® 15 Active Listings Serves Montgomery County, PA
View on Realtor.com

Contact Information

Brokerage
Keller Williams Real Estate-Mo

Office Website
Office Address
601 N Bethlehem Pk Bldg B Ste 10
Montgomeryville, PA  18936
(Montgomery County)
Office Phone
215-631-1900
Office Fax
610-419-7197
Mobile
610-310-6408
Email
mgwr*********@*****.com
Show Email for $5

Service Areas

Lower Milford Township: PA East Greenville: PA New Hanover Township: PA Salford: PA Sumneytown: PA Green Lane: PA Pennsburg: PA Perkiomenville: PA Red Hill: PA Hilltown: PA Silverdale: PA Sellersville: PA Lower Salford: PA Souderton: PA Telford: PA Tylersport: PA Earlington: PA Indian Valley: PA Ogontz Campus: PA Upper Dublin: PA Abington: PA Willow Grove: PA Roslyn: PA Ambler: PA Lower Gwynedd: PA Spring House: PA Fort Washington: PA Maple Glen: PA Dresher: PA Flourtown: PA Cheltenham: PA Arcadia University: PA Erdenheim: PA Laverock: PA Wyndmoor: PA Glenside: PA Oreland: PA Horsham: PA Valley Forge: PA Strafford: PA Radnor: PA King of Prussia: PA Chesterbrook: PA Wayne: PA Tredyffrin: PA Southeastern: PA Saint Davids: PA West Brandywine: PA Glenmoore: PA Malvern: PA Frazer: PA Devault: PA Paoli: PA Fairview Village: PA West Norriton: PA Black Horse: PA Norristown: PA East Norriton: PA Worcester: PA Audubon: PA Jeffersonville: PA Eagleville: PA Trooper: PA Bridgeport: PA Center Square: PA Penllyn: PA Blue Bell: PA Chester Springs: PA Uwchland: PA Birchrunville: PA Eagle: PA Evansburg: PA Trappe: PA Collegeville: PA Skippack: PA Plymouth Meeting: PA Conshohocken: PA Gulph Mills: PA West Conshohocken: PA Lederach: PA Salfordville: PA Woxall: PA Kulpsville: PA Mainland: PA Harleysville: PA North Penn: PA Hatfield: PA Lafayette Hill: PA Miquon: PA Upper Gwynedd: PA West Point: PA Lansdale: PA Montgomery Township: PA Montgomeryville: PA Cedars: PA North Wales: PA Kimberton: PA Phoenixville: PA Stowe: PA Pottstown: PA Halfway House: PA Limerick: PA Sanatoga: PA Pottsgrove: PA South Pottstown: PA Kenilworth: PA Linfield: PA Royersford: PA Neiffer: PA Spring Mount: PA Creamery: PA Schwenksville: PA Delphi: PA Fruitville: PA Spring City: PA Saint Peters: PA Elverson: PA Robeson: PA Douglass: PA Gilbertsville: PA Colebrookdale: PA New Berlinville: PA

About Mariel Gniewoz-Weiss

Driven by personal experience and a commitment to facilitating clients' aspirations, this real estate professional prioritizes clear communication and client comfort throughout the entire process. With a reputation for reliability and approachability, they consistently advocate for their clients' best interests, whether they are buying, selling, or investing in real estate.

Having successfully guided hundreds of clients through various transactions, this agent brings nearly a decade of experience in the real estate markets of Montgomery, Chester, Bucks, Delaware, Berks, and Philadelphia Counties. Their expertise encompasses a wide range of real estate issues, including new construction, distressed property sales, strategic marketing, pricing strategies, and negotiation.

As a Certified Distressed Property Expert, they approach foreclosures and short sales with a blend of professionalism and empathy. Previously, they served as a Listing & Marketing Specialist for a high-volume real estate firm, where they developed tailored marketing plans and presentation strategies. Early in their career, they represented a leading national homebuilder, assisting over 100 clients in navigating the complexities of purchasing and constructing new homes.

This professional holds dual degrees in Public Relations and Sociology from Pennsylvania State University. Outside of real estate, they enjoy traveling, spending quality time with family, and volunteering at the local food pantry.

Montgomery County, PA Real Estate Market Analysis (Single Family Homes)

$802,649
Avg. Listing Price
From Mariel's portfolio
3.9 / 2.9
Avg. Beds/Baths
Typical property size
2,737 sf
Avg. Square Footage
Interior living space
1113
Active Listings
Current inventory

Montgomery County, Pennsylvania stands as one of the most affluent and dynamic real estate markets in the Mid-Atlantic region, consistently ranking among the top counties nationwide for household income and property values. This suburban powerhouse, located just northwest of Philadelphia, encompasses a diverse landscape of historic townships, modern developments, and thriving commercial corridors that attract both families seeking top-tier school districts and professionals commuting to major metropolitan centers.

The county's real estate ecosystem is supported by 6,722 total actively licensed agents, with all 6,722 agents maintaining email contact information, creating one of the most connected and accessible professional networks in Pennsylvania. This robust agent presence reflects the market's complexity and the high level of service required to navigate Montgomery County's varied communities, from the upscale Main Line suburbs to the rapidly developing King of Prussia corridor.

Major Montgomery County, Pennsylvania Real Estate Markets

The Greater Philadelphia metropolitan influence dominates Montgomery County's real estate landscape, with communities like Ardmore, Bryn Mawr, and Villanova commanding premium prices due to their proximity to both Philadelphia and their renowned educational institutions. King of Prussia has emerged as a major commercial and residential hub, featuring luxury high-rise developments and attracting buyers seeking urban amenities with suburban convenience. Meanwhile, towns like Lansdale, Norristown, and Pottstown offer more affordable entry points while still providing excellent transportation access via SEPTA rail lines.

The county's western regions, including areas around Phoenixville and Collegeville, have experienced remarkable growth as buyers seek larger properties and newer construction at relatively lower price points. These markets benefit from the spillover effect of Philadelphia's expansion and the presence of major employers like GlaxoSmithKline and Johnson & Johnson, creating diverse housing demands that range from historic stone colonials to contemporary planned communities.

Market Dynamics and Geographic Complexity

Montgomery County's real estate market exhibits fascinating micro-variations that can see home values differ by hundreds of thousands of dollars within just a few miles. The Lower Merion Township area consistently maintains some of the highest property values in Pennsylvania, while emerging markets in the northern townships offer surprising appreciation potential. School district boundaries play an outsized role in pricing, with homes in districts like Radnor and Great Valley commanding significant premiums over neighboring areas.

Inventory challenges have become increasingly pronounced, particularly in the luxury segment above $800,000, where multiple offers and quick closings have become standard. The county's geographic complexity, spanning 487 square miles with 62 municipalities, creates unique challenges for agents who must understand everything from historic preservation requirements in places like Ambler to new construction regulations in rapidly developing areas like Plymouth Meeting.

Why Businesses Need Montgomery County, Pennsylvania Agent Contact Data

Service providers targeting Montgomery County's real estate market require comprehensive agent databases to navigate this fragmented yet lucrative landscape effectively. With such geographic and economic diversity, mortgage lenders, home inspectors, and contractors need direct access to agents specializing in specific townships and price ranges to build meaningful professional relationships and generate consistent referrals.

The county's high transaction values and sophisticated clientele create exceptional opportunities for luxury service providers, financial advisors, and specialty contractors, but success depends on connecting with the right agents who understand specific market niches. Having access to all 6,722 licensed agents' email contacts enables businesses to segment their outreach by geographic specialization, transaction volume, and client demographics, maximizing their marketing efficiency in this competitive but rewarding market.

Current Property Listings

As of 2/13/2026, Mariel Gniewoz-Weiss has 15 properties for sale in Montgomeryville and surrounding areas. These are the top 10 listings.

$359,000

Listed 2025-10-13

345 Hall St
Phoenixville, PA  19460

Beds: 3.0
Baths: 1.0
Sq Ft: 1,224
Lot: 2,178 sf
Townhomes Map
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$89,900

Listed 2025-10-24

177 Bent Pine Hl
North Wales, PA  19454

Beds: 2.0
Baths: 1.5
Sq Ft: 938
Mobile Map
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$715,000

Listed 2026-02-03

2220 Locust Dr
Lansdale, PA  19446

Beds: 4.0
Baths: 2.5
Sq Ft: 2,462
Lot: 30,056 sf
Single Family Map
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$1,500,000

Listed 2025-04-02

961 Skippack Pike
Blue Bell, PA  19422

Beds: 5.0
Baths: 4.5
Sq Ft: 5,313
Lot: 121,968 sf
Single Family Map
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$264,000

Listed 2025-12-01

621 N Forrest Ave
Norristown, PA  19403

Beds: 2.0
Baths: 1.0
Sq Ft: 1,312
Lot: 3,920 sf
Townhomes Map
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$219,000

Listed 2026-01-12

439 Wendover Dr
Norristown, PA  19403

Beds: 2.0
Baths: 1.0
Sq Ft: 903
Condos Map
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$164,900

Listed 2025-12-02

738 Aspen Cir
Red Hill, PA  18076

Beds: 2.0
Baths: 2.0
Sq Ft: 1,040
Mobile Map
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$249,900

Listed 2026-01-06

155 Main St
Pennsburg, PA  18073

Beds: 2.0
Baths: 1.5
Sq Ft: 1,352
Lot: 3,920 sf
Townhomes Map
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$199,999

Listed 2025-11-21

522 S Kerr Ave Apt 77
Wilmington, NC  28403

Beds: 2.0
Baths: 2.0
Sq Ft: 892
Condos Map
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$310,000

Listed 2026-01-21

112 Arden Ct
Harleysville, PA  19438

Beds: 2.0
Baths: 1.5
Sq Ft: 1,200
Lot: 1,307 sf
Condos Map
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Current Property Rentals

As of 2/13/2026, Mariel Gniewoz-Weiss has the following rental properties available in Montgomeryville and surrounding areas. These are the top 10 listings.

$1,995

Listed 2025-07-12

144 N Main St
Dublin, PA  18917

Beds: 0.0
Baths: 1.0
Sq Ft: 444
Apartment Map
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$2,200

Listed 2025-12-10

417 E Upsal St
Philadelphia, PA  19119

Beds: 3.0
Baths: 1.5
Sq Ft: 1,050
Lot: 871 sf
Townhomes Map
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$2,500

Listed 2025-09-25

40 Elaine Dr
Boyertown, PA  19512

Beds: 4.0
Baths: 2.0
Sq Ft: 1,376
Lot: 9,148 sf
Single Family Map
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