Tim Costello Real Estate Agent - RE/MAX 1st Advantage

501 Allenview Dr, Mechanicsburg, PA Pending $240,000 - listed by Tim Costello — Pending $240,000

Tim Costello listing agent for 5905 Glenkirk Rd, Baltimore, MD - sold for $290,000 — Sold $290,000

654 Old Quaker Rd, Lewisberry, PA Pending $575,000 - co-listed by Tim Costello — Pending $575,000 • Co-Listing Agent

Tim Costello buyer's agent for 40 Brook Cir, Etters, PA - sold for $535,000 — Sold $535,000

1440 Walker Ave, Baltimore, MD Under Contract $299,950 - listed by Tim Costello — Under Contract $299,950

Tim Costello

Mechanicsburg PA

RE/MAX 1st Advantage

82 Closed Sales

$28.2M Total Value

$114.9K - $4.3M Price Range

$343.7K Average Price

Prior 5 years

About Tim

Associate Broker / Owner (31 years experience) Specialties: Buyer's Agent, Listing Agent, Relocation
Top 1% Greater Harrisburg Board of Realtors Top 25 In Pennsylvania and Delaware

Tim and Gene Costello aka Team Costello sell between 130 and 150 homes a year in the Central Pa market area. In 2006 Tim and Gene founded Remax 1st Advantage in Mechanicsburg. From over 100 offices in the Central, PA area, RE/MAX 1st Advantage is the #1 individual office.

Tim and Gene also own 1st Advantage Settlement Services, a licensed title Insurance agency, 1st Advantage Construction Management, and Team Costello Realty Property Management Division.

Home Types: House, Multifamily, Townhouse, Commercial, Condo, Other, Lot/Land

Years of Experience: 19

Education: HACC, Central Pennsylvania's Community College

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	18
Total Value	$5,770,901
Average Sale Price	$320,606
Price Range	$190K - $597K

Buyer Deals
Total Deals	12
Total Value	$3,981,968
Average Sale Price	$331,831
Price Range	$171K - $535K

1 Year View by Quarter

Seller Deals
Total Deals	21
Total Value	$6,630,401
Average Sale Price	$315,733
Price Range	$190K - $597K

Buyer Deals
Total Deals	20
Total Value	$6,824,968
Average Sale Price	$341,248
Price Range	$171K - $710K

2 Year View by Quarter

Seller Deals
Total Deals	46
Total Value	$12,555,151
Average Sale Price	$272,938
Price Range	$115K - $800K

Buyer Deals
Total Deals	36
Total Value	$15,630,001
Average Sale Price	$434,167
Price Range	$140K - $4.3M

5 Year View

Neighborhoods Tim is Experienced In

Tim's Listings and Deals

Tim's Active Listings

$240,000

Pending
- 3 Beds
- 1.5 Baths
- 1,144 Sq Ft
501 Allenview Dr

Mechanicsburg, PA
Welcome to 501 Allenview Drive, a well-maintained end-unit townhome located in the desirable Allenview Community in Upper Allen Township, Mechanicsburg. Offering 3 bedrooms, 1.5 bathrooms, and numerous recent updates, this home is move-in ready and waiting for its next owner. Enjoy peace of mind knowing the major mechanical updates have already been completed, including a new heat pump installed

Tim Costello RE/MAX 1st Advantage

$299,950

Under Contract
- 4 Beds
- 2.5 Baths
- 1,652 Sq Ft
1440 Walker Ave

Baltimore, MD
I bet you can’t find a better move-in-ready 4-bed in Idlewood this weekend. Prove me wrong — or come see why I’m right. 1440 Walker Ave, Baltimore, MD 21239. This Sat, July 11 · 12–2.The buyer who gets this house is going to feel like they won. A powder room greets you off the front entrance before the main level opens up — living room with a fireplace, designer accent wall, and wide-plank

Tim Costello RE/MAX 1st Advantage

Co-Listing Agent

$575,000

Pending
- 4 Beds
- 4 Baths
- 3,450 Sq Ft
654 Old Quaker Rd

Lewisberry, PA
If you've been looking for a home with plenty of space both inside and out, this one is worth a look. Situated on 1.17 acres, this 4-bedroom, 2 full baths, 2 half bath home offers room for everyday living, entertaining, and everything in between. The first floor is designed for convenience with a spacious primary suite featuring two walk-in closets and a private bath with a double vanity, soaking

Tim Costello RE/MAX 1st Advantage

Recently Sold

$290,000

Sold Jul 15, 2026
- 3 Beds
- 2.5 Baths
- 1,534 Sq Ft
5905 Glenkirk Rd

Baltimore, MD
- 3% Below List
- 18 Days On Market
- $189/SF
- Current Est. Value $293K
Tim Costello RE/MAX 1st Advantage

$358,000

Sold Jun 8, 2026
- 3 Beds
- 2.5 Baths
- 1,895 Sq Ft
5260 Mendenhall Dr

Mechanicsburg, PA
- 19 Days On Market
- $189/SF
- Current Est. Value $359K
Tim Costello RE/MAX 1st Advantage

$597,000

Sold May 28, 2026
- Studio
- 2,304 Sq Ft
142 & 150 Riddle Rd

Chambersburg, PA
- 5% Below List
- 35 Days On Market
- $259/SF
Tim Costello RE/MAX 1st Advantage

$210,000

Sold May 15, 2026
- 2 Beds
- 1.5 Baths
- 1,160 Sq Ft
18 Dartmouth Ct

Mechanicsburg, PA
- 1% Above List
- 3 Days On Market
- $181/SF
- Current Est. Value $210K
Tim Costello RE/MAX 1st Advantage

$232,000

Sold May 6, 2026
- 3 Beds
- 2.5 Baths
- 1,360 Sq Ft
616 Park Ridge Dr

Mechanicsburg, PA
- $171/SF
- Current Est. Value $233K
Tim Costello RE/MAX 1st Advantage

$280,000

Sold Apr 15, 2026
- 3 Beds
- 2.5 Baths
- 1,734 Sq Ft
2326 Mill Rd

Mechanicsburg, PA
- 2% Below List
- $161/SF
- Current Est. Value $285K
Tim Costello RE/MAX 1st Advantage

$309,000

Sold Apr 7, 2026
- 3 Beds
- 2 Baths
- 1,034 Sq Ft
3046 Heathcote Rd

Waldorf, MD
- 6% Below List
- 36 Days On Market
- $299/SF
- Current Est. Value $299K
Tim Costello RE/MAX 1st Advantage

$204,600

Sold Apr 1, 2026
- 3 Beds
- 1.5 Baths
- 1,210 Sq Ft
2941 Milky Way

Dover, PA
- 9% Above List
- 2 Days On Market
- $169/SF
- Current Est. Value $209K
Tim Costello RE/MAX 1st Advantage

$549,900

Sold Mar 18, 2026
- 4 Beds
- 2.5 Baths
- 2,302 Sq Ft
6009 Sommerton Dr

Mechanicsburg, PA
- 16 Days On Market
- $239/SF
- Current Est. Value $549K
Tim Costello RE/MAX 1st Advantage

Agent License: Pennsylvania RM426073

Tim Costello

(717) 790-6024

Homes for Sale by City

Tim Costello

About Tim

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Tim is Experienced In

Tim's Listings and Deals

Tim's Active Listings

Recently Sold