Katherine Sprague

Wauwatosa WI

Firefly Real Estate, LLC

151 Closed Sales

$79.8M Total Value

$290K - $1.5M Price Range

$528.7K Average Price

Prior 5 years

About Katherine

Home Types: Condo, MultiFamily, House, Lot/Land, Other

Years of Experience: 14

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	27
Total Value	$12,323,050
Average Sale Price	$456,409
Price Range	$190K - $1.1M

Buyer Deals
Total Deals	7
Total Value	$4,644,900
Average Sale Price	$663,557
Price Range	$295K - $1.3M

1 Year View by Quarter

Seller Deals
Total Deals	46
Total Value	$23,284,467
Average Sale Price	$506,184
Price Range	$190K - $1.1M

Buyer Deals
Total Deals	11
Total Value	$7,522,900
Average Sale Price	$683,900
Price Range	$290K - $1.5M

2 Year View by Quarter

Seller Deals
Total Deals	123
Total Value	$61,917,077
Average Sale Price	$503,391
Price Range	$190K - $1.5M

Buyer Deals
Total Deals	28
Total Value	$17,921,300
Average Sale Price	$640,046
Price Range	$150K - $1.5M

5 Year View

Neighborhoods Katherine is Experienced In

Katherine's Active Listings

$559,900
- 3 Beds
- 4 Baths
- 3,052 Sq Ft
14285 W North Oak Blvd

New Berlin, WI
Beautiful New Berlin Colonial in desirable North Oak Estates offering the perfect blend of space, comfort, and convenience. Two-story foyer welcomes you into a thoughtfully designed layout featuring formal living and dining rooms, a cozy family room with gas fireplace, and an open kitchen with abundant cabinetry, breakfast bar, and sunny dinette overlooking the patio and backyard. All three

Katherine Sprague Firefly Real Estate, LLC

$899,900
- 5 Beds
- 2.5 Baths
- 3,663 Sq Ft
12500 Stephen Place

Elm Grove, WI
First time ever offered since built in 1966, this cherished Elm Grove center-entrance Colonial is a true legacy home! Tucked on a quiet cul-de-sac and set on .58 acres (per village record), it offers timeless charm, generous living spaces, and a resort-like backyard. Grand foyer, elegant LR w/GFP, formal DR w/built-in china cabinet, and impressive FR with vaulted ceiling, GFP, natural woodwork,

Katherine Sprague Firefly Real Estate, LLC

$389,900
- 3 Beds
- 1.5 Baths
- 1,543 Sq Ft
8138 Gridley Ave

Milwaukee, WI
Nestled in the heart of Glenview Heights, this charming bungalow combines classic character with thoughtful updates in a prime Wauwatosa location. Featuring 3 bedrooms, a den/office, 1.5 baths, and a 2-car garage, this home offers comfort and convenience throughout. Enjoy the inviting 3-season sunroom, hardwood floors, bright living and dining spaces, and an updated kitchen with quartz

Katherine Sprague Firefly Real Estate, LLC

$599,900
- 4 Beds
- 2.5 Baths
- 2,149 Sq Ft
2608 N 71st St

Milwaukee, WI
Exceptional Tudor in coveted Tosa East Towne offers timeless charm, stylish updates & character throughout. Inviting foyer ft open staircase, wrought iron handrail & rich woodwork. LR boasts natural FP, crown molding & arched doorways flowing into trendy color-drenched DR w/ BICC. Family room includes white cabinetry, wet bar, storage & dual beverage/wine fridges. Bright KIT offers SS appliances

Katherine Sprague Firefly Real Estate, LLC

Recently Sold

$355,000

Sold Jun 2, 2026
- 3 Beds
- 1 Bath
- 1,374 Sq Ft
321 N 74th St

Milwaukee, WI
- 18% Above List
- $258/SF
- 2 Days On Market
- Current Est. Value $298K
Katherine Sprague Firefly Real Estate, LLC

$850,000

Sold Jun 1, 2026
- 3 Beds
- 2.5 Baths
- 2,292 Sq Ft
2162 N 74th St

Milwaukee, WI
- 6% Above List
- $371/SF
- 4 Days On Market
- Current Est. Value $771K
Katherine Sprague Firefly Real Estate, LLC

$600,000

Sold May 22, 2026
- 3 Beds
- 1.5 Baths
- 1,960 Sq Ft
2536 N 88th St

Milwaukee, WI
- 7% Above List
- $306/SF
- 4 Days On Market
- Current Est. Value $553K
Katherine Sprague Firefly Real Estate, LLC

$415,000

Sold May 21, 2026
- 4 Beds
- 1.5 Baths
- 1,697 Sq Ft
7926 W Wright St

Milwaukee, WI
- 15% Above List
- $245/SF
- 1 Day On Market
- Current Est. Value $383K
Katherine Sprague Firefly Real Estate, LLC

$1,100,000

Sold May 15, 2026
- 4 Beds
- 3.5 Baths
- 2,526 Sq Ft
8204 Brookside Place

Milwaukee, WI
- 22% Above List
- $435/SF
- 0 Days On Market
- Current Est. Value $880K
Katherine Sprague Firefly Real Estate, LLC

$310,000

Sold Apr 24, 2026
- 3 Beds
- 2 Baths
- 1,336 Sq Ft
3701 S 88th St

Milwaukee, WI
- $232/SF
- Current Est. Value $312K
Katherine Sprague Firefly Real Estate, LLC

$350,000

Sold Apr 20, 2026
- 3 Beds
- 2 Baths
- 1,478 Sq Ft
2877 S 46th St

Milwaukee, WI
- 17% Above List
- $237/SF
- 1 Day On Market
- Current Est. Value $337K
Katherine Sprague Firefly Real Estate, LLC

$600,000

Sold Apr 17, 2026
- 4 Beds
- 2 Baths
- 2,208 Sq Ft
8027 W Woodland Ave

Milwaukee, WI
- 3% Above List
- $272/SF
- 4 Days On Market
- Current Est. Value $593K
Katherine Sprague Firefly Real Estate, LLC

$573,500

Sold Apr 10, 2026
- 3 Beds
- 2.5 Baths
- 2,212 Sq Ft
2417 N 96th St

Milwaukee, WI
- 8% Below List
- $259/SF
- 9 Days On Market
- Current Est. Value $583K
Katherine Sprague Firefly Real Estate, LLC

Katherine Sprague

(414) 250-0584

Firefly Real Estate, LLC

(414) 250-0584

Homes for Sale by City

Katherine Sprague

About Katherine

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 Katherine is Experienced In

Katherine's Listings and Deals

Katherine's Active Listings

Recently Sold