6628 Liberty Rd, Lowville, NY Pending $399,900 - listed by Costa Deir — Pending $399,900

Costa Deir listing agent for 13630 Middle Branch Rd, Harrisville, NY - sold for $120,000 — Sold $120,000

30105 US Route 11, Evans Mills, NY For Sale $55,000 - listed by Costa Deir — For Sale $55,000

Costa Deir buyer's agent for 20710 Reasoner Rd, Watertown, NY - sold for $130,000 — Sold $130,000

2255 County Road 11, Gouverneur, NY For Sale $864,900 - listed by Costa Deir — For Sale $864,900

Costa Deir listing agent for 23461 Mosher Rd, Carthage, NY - sold for $86,000 — Sold $86,000

2255 County Route 11, Gouverneur, NY For Sale $274,900 - listed by Costa Deir — For Sale $274,900

Costa Deir

Watertown NY

Marble Key Realty LLC

47 Closed Sales

$8.7M Total Value

$106K - $410K Price Range

$186.2K Average Price

Prior 5 years

About Costa

Home Types: House, Multifamily, Lot/Land, Mobile Homes, Commercial

Years of Experience: 7

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	1
Total Value	$120,000
Average Sale Price	$120,000

Buyer Deals
Total Deals	6
Total Value	$1,020,900
Average Sale Price	$170,150
Price Range	$118K - $268K

Seller Deals
Total Deals	5
Total Value	$888,000
Average Sale Price	$177,600
Price Range	$86K - $340K

Buyer Deals
Total Deals	12
Total Value	$1,906,900
Average Sale Price	$158,908
Price Range	$27K - $268K

Seller Deals
Total Deals	18
Total Value	$3,512,335
Average Sale Price	$195,130
Price Range	$80K - $410K

Buyer Deals
Total Deals	29
Total Value	$5,237,650
Average Sale Price	$180,609
Price Range	$27K - $325K

5 Year View

Areas Costa is Experienced In

Watertown

22 Sales
Carthage

5 Sales
Wilna

4 Sales
Lowville

3 Sales
Le Ray

3 Sales

Costa's Listings and Deals

Costa's Active Listings

$55,000
- Land
- 7 Acres
- $7,971 per Acre
30105 US Route 11

Evans Mills, NY
Prime 6.9-acre lot on US Route 11 in Evans Mills, just minutes from Fort Drum. This property offers approximately 471 feet of highway frontage, giving you strong visibility and easy access while still maintaining a private, wooded setting. The front portion of the lot provides about 1 acre of open, buildable land, with the remaining 5.9 acres consisting of mature woodland. Trout Brook runs along

Costa Deir Marble Key Realty LLC

$864,900
- 9 Beds
- 4 Baths
- 2,660 Sq Ft
2255 County Road 11

Gouverneur, NY
This is not a startup farm—this is a fully built, income-generating agricultural operation where the hard work has already been done.Spanning 334 contiguous acres in Gouverneur, NY, this rare offering combines two separate parcels into one powerful, turnkey farming enterprise. The land is already producing, the systems are already in place, and the infrastructure has been built to support

Costa Deir Marble Key Realty LLC

$274,900
- 3 Beds
- 2 Baths
- 2,060 Sq Ft
2255 County Route 11

Gouverneur, NY
This 76-acre parcel offers flexibility, income potential, and immediate usability as part of a larger farm operation or as a standalone rural property.The land is well-suited for agriculture, recreation, or expansion of an existing farming business. With open areas and natural features, it can support livestock, hay production, or be used as additional grazing ground tied to the main

Costa Deir Marble Key Realty LLC

$599,900
- 6 Beds
- 2 Baths
- 2,660 Sq Ft
2287 County Route 11

Gouverneur, NY
This is a true working farm built for production, not theory. Set on 258 acres, this property has been fully developed into a functioning agricultural operation with the infrastructure, systems, and layout already dialed in. Every major hurdle—fencing, buildings, utilities, and land prep—has been completed.A large part of the farm is fenced and cross-fenced using a combination of barbed wire,

Costa Deir Marble Key Realty LLC

$399,900

Pending
- 2 Beds
- 2 Baths
- 1,728 Sq Ft
6628 Liberty Rd

Lowville, NY
This 2020 cedar house sits on 33.3 wooded acres along Liberty Road in the Town of Montague, a secluded Tug Hill setting with a pond on the lot, gentle slopes, and scenic views that stay quiet through every season. The parcel has town-road frontage and sits next to public land, so you can step from your own woods into a much larger stretch of forest.The two-story house offers 1,728 square feet

Costa Deir Marble Key Realty LLC

Recently Sold

$120,000

Sold Jan 26, 2026
- Land
- 62.00 Acres Lot
13630 Middle Branch Rd

Harrisville, NY
- 23% Below List
- 177 Days On Market
- Current Est. Value $124K
Costa Deir Marble Key Realty LLC

$162,000

Sold Mar 3, 2025
- 3 Beds
- 1.5 Baths
- 1,292 Sq Ft
155 Saint Mary St

Watertown, NY
- 12% Below List
- 221 Days On Market
- $125/SF
- Current Est. Value $168K
Costa Deir Marble Key Realty LLC

$86,000

Sold Dec 20, 2024
- 2 Beds
- 2 Baths
- 938 Sq Ft
23461 Mosher Rd

Carthage, NY
- 9% Below List
- 19 Days On Market
- $92/SF
Costa Deir Marble Key Realty LLC

$180,000

Sold Oct 31, 2024
- 3 Beds
- 1.5 Baths
- 1,317 Sq Ft
23885 New York 12

Watertown, NY
- 3% Below List
- 180 Days On Market
- $137/SF
- Current Est. Value $187K
Costa Deir Marble Key Realty LLC

$340,000

Sold Oct 4, 2024
- 4 Beds
- 2 Baths
- 2,014 Sq Ft
23696 County Route 42

Carthage, NY
- 3% Below List
- 50 Days On Market
- $169/SF
- Current Est. Value $324K
Costa Deir Marble Key Realty LLC

$148,400

Sold Mar 27, 2024
- 3 Beds
- 1 Bath
- 2,251 Sq Ft
35101 Clayton Center Rd

Clayton, NY
- 13% Below List
- 240 Days On Market
- $66/SF
- Current Est. Value $155K
Costa Deir Marble Key Realty LLC

$340,000

Sold Dec 15, 2023
- 5 Beds
- 2.5 Baths
- 2,564 Sq Ft
113 Park Dr E

Watertown, NY
- 1% Below List
- 7 Days On Market
- $133/SF
- Current Est. Value $374K
Costa Deir Marble Key Realty LLC

$179,000

Sold Dec 4, 2023
- 4 Beds
- 2 Baths
- 1,430 Sq Ft
159 Saint Mary St

Watertown, NY
- 63 Days On Market
- $125/SF
- Current Est. Value $185K
Costa Deir Marble Key Realty LLC

$80,000

Sold Oct 6, 2023
- Land
- 27.08 Acres Lot
00 Center Rd

Lacona, NY
- 8 Days On Market
Costa Deir Marble Key Realty LLC

Frequently Asked Questions

Who is Costa Deir, and what is their real estate background?

How many homes has Costa Deir sold in Watertown, NY?

What is Costa Deir's track record representing buyers?

What is Costa Deir's track record as a listing agent?

What areas does Costa Deir serve?

How can I contact Costa Deir?

Costa Deir

(680) 210-3832

Marble Key Realty LLC

(680) 210-3832

Nearby Homes

Costa Deir

About Costa

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Areas Costa is Experienced In

Costa's Listings and Deals

Costa's Active Listings

Recently Sold

Frequently Asked Questions

Who is Costa Deir, and what is their real estate background?

How many homes has Costa Deir sold in Watertown, NY?

What is Costa Deir's track record representing buyers?

What is Costa Deir's track record as a listing agent?

What areas does Costa Deir serve?

How can I contact Costa Deir?