Debbie Constantine

Mercer Island WA

John L. Scott, Inc.

38 Closed Sales

$65.7M Total Value

$529K - $6.5M Price Range

$1.7M Average Price

Prior 5 years

About Debbie

Born and raised in the Pacific Northwest, Debbie Constantine has been a Mercer Island resident since 1967 and is a University of Washington alum. She has been a broker or 14 years and spent time in banking and retail before joining the real estate industry. She is committed to providing individuals and families with a high standard of customer service and the finest negotiating skills, whether buying or selling. Clients who work with Debbie enjoy a relationship based on trust and expertise.

Debbie devotes her energies and efforts to every client’s needs. She combines dedication with hard work, along with a commitment to clients’ real estate requirements and concerns.

Debbie has 35 years of experience in sales and marketing. She takes pride in inspiring trust and building confident, strong, and loyal relationships with her clients. Debbie holds herself to a high standard of customer service and during every transaction, particularly during the negotiation process, her priority is that clients walk away fully satisfied.

In her free time, Debbie likes to work out with her trainer, play tennis, run, watch football and travel.

Home Types: Townhouse, House, Condo

Years of Experience: 19

Education: University of Washington

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	5
Total Value	$8,698,000
Average Sale Price	$1,739,600
Price Range	$529K - $2.5M

Buyer Deals
Total Deals	3
Total Value	$9,420,000
Average Sale Price	$3,140,000
Price Range	$2M - $4.5M

Seller Deals
Total Deals	8
Total Value	$12,016,300
Average Sale Price	$1,502,038
Price Range	$529K - $2.5M

Buyer Deals
Total Deals	10
Total Value	$17,210,000
Average Sale Price	$1,721,000
Price Range	$320K - $4.5M

Seller Deals
Total Deals	18
Total Value	$32,301,400
Average Sale Price	$1,794,522
Price Range	$529K - $6.5M

Buyer Deals
Total Deals	20
Total Value	$33,425,000
Average Sale Price	$1,671,250
Price Range	$320K - $4.5M

5 Year View

Neighborhoods Debbie is Experienced In

Recently Sold

$1,789,000

Sold Oct 9, 2025
- 3 Beds
- 3.5 Baths
- 3,571 Sq Ft
3304 81st Place SE

Unit D

Mercer Island, WA
- 1% Below List
- $501/SF
- 14 Days On Market
- Current Est. Value $2M
Debbie Constantine John L. Scott, Inc.

$2,050,000

Sold Aug 5, 2025
- 4 Beds
- 3 Baths
- 3,270 Sq Ft
9411 SE 54th St

Mercer Island, WA
- 3% Above List
- $627/SF
- 3 Days On Market
- Current Est. Value $2M
Debbie Constantine John L. Scott, Inc.

$529,000

Sold Jul 8, 2025
- 1 Bed
- 1 Bath
- 1,300 Sq Ft
2920 76th Ave SE

Unit 105

Mercer Island, WA
- 4% Below List
- $407/SF
- 39 Days On Market
- Current Est. Value $553K
Debbie Constantine John L. Scott, Inc.

$1,830,000

Sold Jul 7, 2025
- 4 Beds
- 2.5 Baths
- 2,560 Sq Ft
8804 SE 62nd St

Mercer Island, WA
- 4% Below List
- $715/SF
- 2 Days On Market
- Current Est. Value $2M
Debbie Constantine John L. Scott, Inc.

$2,500,000

Sold May 30, 2025
- 4 Beds
- 5 Baths
- 3,830 Sq Ft
7243 W Ridge Rd

Mercer Island, WA
- 25% Below List
- $653/SF
- 72 Days On Market
- Current Est. Value $3M
Debbie Constantine John L. Scott, Inc.

$750,000

Sold Aug 30, 2024
- 2 Beds
- 2.5 Baths
- 1,260 Sq Ft
2217 NW Moraine Place

Issaquah, WA
- 1% Above List
- $595/SF
- 6 Days On Market
- Current Est. Value $686K
Debbie Constantine John L. Scott, Inc.

$760,000

Sold Aug 29, 2024
- 2 Beds
- 2 Baths
- 1,619 Sq Ft
18707 SE Newport Way

Unit 308

Issaquah, WA
- 13% Below List
- $469/SF
- 43 Days On Market
- Current Est. Value $831K
Debbie Constantine John L. Scott, Inc.

$1,808,300

Sold Apr 12, 2024
- 3 Beds
- 2 Baths
- 1,680 Sq Ft
7628 SE 41st St

Mercer Island, WA
- 21% Above List
- $1,076/SF
- 5 Days On Market
- Current Est. Value $2M
Debbie Constantine John L. Scott, Inc.

$780,000

Sold Sep 6, 2023
- 3 Beds
- 2.5 Baths
- 1,466 Sq Ft
8702 124th Ave NE

Unit 8705

Kirkland, WA
- $532/SF
- 5 Days On Market
- Current Est. Value $859K
Debbie Constantine John L. Scott, Inc.

Awards and Designations

"Seattle Five Star Real Estate Agent" - Seattle Magazine, 2012-2021
President Elite
NAR - National Association of Realtors
ABR - Accredited Buyer Representative
CHMS - Certified Home Marketing Specialist
CLHMS - Certified Luxury Home Marketing Specialist

Debbie Constantine

(206) 203-8426

Homes for Sale by City

Debbie Constantine

About Debbie

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Debbie is Experienced In

Debbie's Listings and Deals

Recently Sold

Awards and Designations