Riahna Kastner Real Estate Agent - St. Louis Real Estate Society

3504 Illinois Ave, Saint Louis, MO For Sale $374,900 - listed by Riahna Kastner — For Sale $374,900

Riahna Kastner listing agent for 323 Chipley Cir, Ballwin, MO - sold for $425,000 — Sold

2742 Osage St, Saint Louis, MO For Sale $575,000 - listed by Riahna Kastner — For Sale $575,000

Riahna Kastner buyer's agent for 5128 Rosa Ave, Saint Louis, MO - sold for $335,000 — Sold

3743 Wisconsin Ave, Saint Louis, MO For Sale $495,000 - listed by Riahna Kastner — For Sale $495,000

Riahna Kastner

Saint Louis MO

St. Louis Real Estate Society

116 Closed Sales

$25.9M Total Value

$55K - $1.5M Price Range

$223.3K Average Price

Prior 5 years

About Riahna

Riahna Kastner is one of the Co-Owners of St. Louis Real Estate Society and also acts as the company’s Managing Broker. She works closely with the agents and staff in our office to guide, train, and mentor them in all things real estate. When working with buyers and sellers, she specializes in working with clients who have a particular interest in multi-family investment properties, rehabbing and property redevelopment as an investor or as an owner-occupant, and with historic properties located in the City of St. Louis.

Home Types: MultiFamily, Condo, House, Townhouse, Commercial

Languages Spoken: English, Spanish

Years of Experience: 17

Education: MA- Saint Louis University BA- Saint Louis University

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	8
Total Value	$3,444,400
Average Sale Price	$430,550
Price Range	$138K - $1.5M

Buyer Deals
Total Deals	4
Total Value	$669,000
Average Sale Price	$167,250
Price Range	$87K - $335K

1 Year View by Quarter

Seller Deals
Total Deals	19
Total Value	$6,449,577
Average Sale Price	$339,451
Price Range	$59K - $1.5M

Buyer Deals
Total Deals	10
Total Value	$2,111,900
Average Sale Price	$211,190
Price Range	$70K - $450K

2 Year View by Quarter

Seller Deals
Total Deals	55
Total Value	$14,447,327
Average Sale Price	$262,679
Price Range	$39K - $1.5M

Buyer Deals
Total Deals	61
Total Value	$11,457,256
Average Sale Price	$187,824
Price Range	$46K - $574K

5 Year View

Neighborhoods Riahna is Experienced In

Riahna's Active Listings

$374,900
- 4 Beds
- 3 Baths
- 2,206 Sq Ft
3504 Illinois Ave

Saint Louis, MO
Step into the perfect blend of historic charm and modern luxury in this beautifully restored home originally built in 1892. Completely renovated from top to bottom, this one-of-a-kind residence offers today's most sought-after finishes while preserving the character of its original architecture. Several of the bedrooms feature their own private balcony, creating a unique retreat rarely found in

Riahna Kastner St. Louis Real Estate Society

$575,000
- 10 Beds
- 10 Baths
- 7,144 Sq Ft
2742 Osage St

Saint Louis, MO
2742 Osage offers 6 income-generating, rental units for your investment portfolio. Gut-rehabbed in 2010, you get the best of both worlds - architectural charm + modern convenience. This is a 2.5 story building with tall ceilings and lots of square footage which makes for spacious units. The building is fully occupied and boasts some loyal, long-term tenants. There are Four 2 bedroom/ 1.5 bath

Riahna Kastner St. Louis Real Estate Society

$495,000
- 12 Beds
- 10 Baths
- 5,696 Sq Ft
3743 Wisconsin Ave

Saint Louis, MO
Check out 3743 Wisconsin which offers 6 glorious units of cash-flowing bliss for your rental portfolio with a Cap Rate of 8.69%. Gut-rehabbed in 2010, the units offer all the amenities that quality tenants want in a place to call home: updated kitchen and bathrooms, in-unit laundry, plenty of closet space, and a thoughtful floor-plan. This is a 2.5 story building with tall ceilings and lots of

Riahna Kastner St. Louis Real Estate Society

Co-Listing Agent

$89,999
- 3 Beds
- 1 Bath
- 1,147 Sq Ft
7353 Virginia Ave

Saint Louis, MO
Great value-add opportunity in South St. Louis! This home underwent a full renovation and offers updated finishes and strong potential. It offers a great layout with additional storage in the basement. The property has some damages that will need to be repaired in order for it to be move-in ready again. This is an excellent opportunity for investors, rehabbers, or buyers looking to build equity -

Riahna Kastner St. Louis Real Estate Society

Recently Sold

$1,645,000

Sold Jun 9, 2026

Last List Price
- 48 Beds
- 28 Baths
- 18,774 Sq Ft
3900 Ray Ave

Saint Louis, MO
- $88/SF
- 161 Days On Market
Riahna Kastner St. Louis Real Estate Society

$425,000

Sold Apr 21, 2026

Last List Price
- 3 Beds
- 2 Baths
- 1,810 Sq Ft
323 Chipley Cir

Ballwin, MO
- $235/SF
- 5 Days On Market
- Current Est. Value $418K
Riahna Kastner St. Louis Real Estate Society

$449,999

Sold Jan 23, 2026

Last List Price
- 6 Beds
- 6 Baths
- 4,217 Sq Ft
225 W Steins St

Saint Louis, MO
- $107/SF
- 68 Days On Market
Riahna Kastner St. Louis Real Estate Society

$319,999

Sold Dec 18, 2025

Last List Price
- 5 Beds
- 2 Baths
- 2,528 Sq Ft
3418 Hartford St

Saint Louis, MO
- $127/SF
- 3 Days On Market
- Current Est. Value $324K
Riahna Kastner St. Louis Real Estate Society

$140,000

Sold Oct 31, 2025

Last List Price
- 8 Beds
- 4 Baths
- 2,160 Sq Ft
3744 Michigan Ave

Saint Louis, MO
- $65/SF
- 103 Days On Market
- Current Est. Value $133K
Riahna Kastner St. Louis Real Estate Society

$145,000

Sold Sep 26, 2025

Last List Price
- 3 Beds
- 1 Bath
- 1,080 Sq Ft
4112 Poepping St

Saint Louis, MO
- $134/SF
- 6 Days On Market
- Current Est. Value $173K
Riahna Kastner St. Louis Real Estate Society

$350,000

Sold Sep 15, 2025

Last List Price
- 6 Beds
- 3 Baths
- 5,452 Sq Ft
7401 S Broadway

Saint Louis, MO
- $64/SF
- 101 Days On Market
Riahna Kastner St. Louis Real Estate Society

Price Undisclosed

Sold Jul 14, 2025
- 2 Beds
- 1 Bath
- 936 Sq Ft
3609 Ohio Ave

Saint Louis, MO
- 5 Days On Market
- Current Est. Value $143K
Riahna Kastner St. Louis Real Estate Society

Price Undisclosed

Sold Jun 20, 2025
- 4 Beds
- 2.5 Baths
- 3,402 Sq Ft
2007 Ann Ave

Saint Louis, MO
- 34 Days On Market
- Current Est. Value $449K
Riahna Kastner St. Louis Real Estate Society

Riahna Kastner

(314) 451-7740

St. Louis Real Estate Society

(314) 451-7740

Homes for Sale by City

Riahna Kastner

About Riahna

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 Riahna is Experienced In

Riahna's Listings and Deals

Riahna's Active Listings

Recently Sold