Maria Kostkowski Real Estate Agent - Keller Williams Flagship

Maria Kostkowski listing agent for 5202 Maries Retreat Dr, Bowie, MD - sold for $465,000 — Sold $465,000

Maria Kostkowski buyer's agent for 578 Jersey Bronze Way, Pasadena, MD - sold for $769,000 — Sold $769,000

Maria Kostkowski listing agent for 5864 Steepridge Dr, Elkridge, MD - sold for $360,000 — Sold $360,000

Maria Kostkowski buyer's agent for 9546 Angelina Cir, Columbia, MD - sold for $611,000 — Sold $611,000

Maria Kostkowski listing agent for 8237 Powers Dr, Millersville, MD - sold for $825,000 — Sold $825,000

Maria Kostkowski buyer's agent for 221 W Pasadena Rd, Millersville, MD - sold for $775,000 — Sold $775,000

Maria Kostkowski

Millersville MD

Keller Williams Flagship

16 Closed Sales

$8.5M Total Value

$360K - $825K Price Range

$531.3K Average Price

Prior 5 years

About Maria

Home Types: House, Townhouse, Condo

Years of Experience: 21

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	1
Total Value	$465,000
Average Sale Price	$465,000

Buyer Deals
Total Deals	2
Total Value	$1,380,000
Average Sale Price	$690,000
Price Range	$611K - $769K

Seller Deals
Total Deals	4
Total Value	$2,295,000
Average Sale Price	$573,750
Price Range	$360K - $825K

Buyer Deals
Total Deals	4
Total Value	$2,830,000
Average Sale Price	$707,500
Price Range	$611K - $775K

Seller Deals
Total Deals	8
Total Value	$3,956,000
Average Sale Price	$494,500
Price Range	$285K - $825K

Buyer Deals
Total Deals	8
Total Value	$4,545,000
Average Sale Price	$568,125
Price Range	$305K - $775K

Areas Maria is Experienced In

Maria's Listings and Deals

Recently Sold

$465,000

Sold Aug 21, 2026
- 3 Beds
- 2.5 Baths
- 2,400 Sq Ft
5202 Maries Retreat Dr

Bowie, MD
- 3% Below List
- 121 Days On Market
- $194/SF
- Current Est. Value $476K
Maria Kostkowski Keller Williams Flagship

$360,000

Sold May 23, 2025
- 3 Beds
- 1.5 Baths
- 1,712 Sq Ft
5864 Steepridge Dr

Elkridge, MD
- 20 Days On Market
- $210/SF
- Current Est. Value $355K
Maria Kostkowski Keller Williams Flagship

$825,000

Sold May 15, 2025
- 5 Beds
- 3.5 Baths
- 4,080 Sq Ft
8237 Powers Dr

Millersville, MD
- 106 Days On Market
- $202/SF
Maria Kostkowski Keller Williams Flagship

$645,000

Sold Dec 12, 2024
- 4 Beds
- 2.5 Baths
- 2,508 Sq Ft
581 Richard Way

Severna Park, MD
- 16 Days On Market
- $257/SF
Maria Kostkowski Keller Williams Flagship

$466,000

Sold May 23, 2024
- 4 Beds
- 2.5 Baths
- 2,400 Sq Ft
12025 Twin Cedar Ln

Bowie, MD
- 3 Days On Market
- $194/SF
- Current Est. Value $515K
Maria Kostkowski Keller Williams Flagship

$285,000

Sold May 16, 2024
- 3 Beds
- 3.5 Baths
- 1,470 Sq Ft
124 N Potomac St

Baltimore, MD
- 37 Days On Market
- $194/SF
- Current Est. Value $289K
Maria Kostkowski Keller Williams Flagship

$540,000

Sold Dec 10, 2021
- 4 Beds
- 2.5 Baths
- 2,216 Sq Ft
408 Dale Rd

Millersville, MD
- 4 Days On Market
- $244/SF
Maria Kostkowski Keller Williams Flagship

$370,000

Sold Dec 7, 2021
- 6 Beds
- 2.5 Baths
- 1,632 Sq Ft
372 Wye Ct

Glen Burnie, MD
- 1% Above List
- 0 Days On Market
- $227/SF
Maria Kostkowski Keller Williams Flagship

Maria Kostkowski

(443) 339-8756

(443) 339-8756

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