Tanis Costa Real Estate Agent - Realty One Group Orca

822 Walker Ave, Oak Harbor, WA Pending $425,000 - listed by Tanis Costa — Pending $425,000

Tanis Costa listing agent for 402 Haines St, Sedro-Woolley, WA - sold for $520,000 — Sold $520,000

5827 176th Dr SE, Snohomish, WA For Sale $799,000 - listed by Tanis Costa — For Sale $799,000

Tanis Costa buyer's agent for 5917 306th St NW, Stanwood, WA - sold for $798,500 — Sold $798,500

42813 Rivers Edge Ct, Concrete, WA For Sale $985,000 - listed by Tanis Costa — For Sale $985,000

Tanis Costa

Marysville WA

Realty One Group Orca

54 Closed Sales

$26.1M Total Value

$290K - $999K Price Range

$483.7K Average Price

Prior 5 years

About Tanis

We sell homes in Snohomish County, Washington. KW North Sound is located in Marysville, WA. Serving Everett, Mukilteo, Edmonds, Lynnwood, Mill Creek, and surrounding North Sound cities.

Home Types: House, Mobile Homes, Condo, Lot/Land

Years of Experience: 19

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	7
Total Value	$2,630,350
Average Sale Price	$375,764
Price Range	$88K - $590K

Buyer Deals
Total Deals	6
Total Value	$3,646,250
Average Sale Price	$607,708
Price Range	$175K - $850K

Seller Deals
Total Deals	12
Total Value	$6,036,850
Average Sale Price	$503,071
Price Range	$88K - $872K

Buyer Deals
Total Deals	8
Total Value	$4,479,250
Average Sale Price	$559,906
Price Range	$175K - $850K

Seller Deals
Total Deals	28
Total Value	$13,056,700
Average Sale Price	$466,311
Price Range	$61K - $872K

Buyer Deals
Total Deals	26
Total Value	$13,060,778
Average Sale Price	$502,338
Price Range	$71K - $999K

5 Year View

Areas Tanis is Experienced In

Tanis' Listings and Deals

Tanis's Active Listings

$799,000
- 4 Beds
- 3 Baths
- 2,892 Sq Ft
5827 176th Dr SE

Snohomish, WA
Lake life in the Three Lakes area of Snohomish, WA. Set on 1.06 acres in Flowing Lake Estates, this home backs to a wooded greenbelt where cedars, ferns, fruit trees & garden beds make the yard feel like your own stretch of Pacific Northwest forest. Deer and eagles are regular visitors, and Flowing Lake is minutes away, one of the few Snohomish County lakes that allows water skiing, motorized

Tanis Costa Realty One Group Orca

$985,000
- 3 Beds
- 3 Baths
- 2,538 Sq Ft
42813 Rivers Edge Ct

Concrete, WA
Custom lodge-style home on 3 private acres with high-bank Skagit River views, mountain scenery, a 1,200 sq. ft. three-bay shop, and RV/boat parking in the Upper Skagit Valley. Built in 2004 and offered by its original owner, this 3-bedroom, 3-bath home blends warm wood finishes with soaring wood ceilings, radiant floor heat, and floor-to-ceiling windows that bring in natural light and the

Tanis Costa Realty One Group Orca

$425,000

Pending
- 3 Beds
- 1 Bath
- 1,222 Sq Ft
822 Walker Ave

Oak Harbor, WA
NEW ROOF in 2022! Enjoy relaxed Whidbey Island living near the shores of Penn Cove. Set at the end of a peaceful cul-de-sac, this single-level home offers three bedrooms, hardwood flooring, upgraded windows, and a comfortable living room centered around a wood-burning fireplace. The kitchen opens to a dedicated dining area, while the spacious laundry and mudroom adds valuable storage and access

Tanis Costa Realty One Group Orca

Recently Sold

$520,000

Sold Feb 18, 2026
- 3 Beds
- 2 Baths
- 1,348 Sq Ft
402 Haines St

Sedro-Woolley, WA
- 1% Above List
- 3 Days On Market
- $386/SF
- Current Est. Value $529K
Tanis Costa Realty One Group Orca

$429,000

Sold Dec 19, 2025
- 3 Beds
- 1.5 Baths
- 944 Sq Ft
5227 101st Place NE

Marysville, WA
- 8% Below List
- 118 Days On Market
- $454/SF
- Current Est. Value $445K
Tanis Costa Realty One Group Orca

$140,000

Sold Nov 21, 2025
- 2 Beds
- 2 Baths
- 1,194 Sq Ft
1415 84th St SE

Unit 80

Everett, WA
- 6% Below List
- 98 Days On Market
- $117/SF
Tanis Costa Realty One Group Orca

$590,000

Sold Nov 7, 2025
- 3 Beds
- 2 Baths
- 1,812 Sq Ft
837 Brighton Ct

Burlington, WA
- 4% Below List
- 43 Days On Market
- $326/SF
Tanis Costa Realty One Group Orca

$499,950

Sold Oct 17, 2025
- 2 Beds
- 2.5 Baths
- 1,376 Sq Ft
2007 101st Ave SE

Unit 3

Lake Stevens, WA
- 4% Below List
- 64 Days On Market
- $363/SF
- Current Est. Value $528K
Tanis Costa Realty One Group Orca

$88,400

Sold Jul 18, 2025
- 2 Beds
- 2 Baths
- 1,248 Sq Ft
5900 64th St NE

Unit 223

Marysville, WA
- 16% Below List
- 74 Days On Market
- $71/SF
Tanis Costa Realty One Group Orca

$363,000

Sold Jul 8, 2025
- 2 Beds
- 2 Baths
- 1,017 Sq Ft
4200 84th St NE

Unit 19

Marysville, WA
- 6% Above List
- 12 Days On Market
- $357/SF
- Current Est. Value $357K
Tanis Costa Realty One Group Orca

$770,000

Sold May 29, 2025
- 3 Beds
- 2 Baths
- 1,740 Sq Ft
3420 Federal Ave

Everett, WA
- 2% Below List
- 31 Days On Market
- $443/SF
Tanis Costa Realty One Group Orca

$670,000

Sold Mar 14, 2025
- 5 Beds
- 2 Baths
- 2,584 Sq Ft
7313 47th Ave NE

Marysville, WA
- 3% Above List
- 4 Days On Market
- $259/SF
- Current Est. Value $690K
Tanis Costa Realty One Group Orca

Other Experience

First Time Homebuyers, Investments, Military Families, Veteran's Programs, Senior Communities, Short Sales, Luxury Homes, New Construction, Property Management, Distressed Properties, Foreclosures, Timeshares

Tanis Costa

(360) 467-8138

Nearby Homes

Tanis Costa

About Tanis

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Areas Tanis is Experienced In

Tanis' Listings and Deals

Tanis's Active Listings

Recently Sold

Other Experience