
Meet Impact Group
44 members

Erik Gruenwald
price range
sales last 12 months

Tabitha Bartel
price range
sales last 12 months

Vanessa Kendrick
price range
sales last 12 months

Brandon Griffin
price range
sales last 12 months

Scott Kimball
price range
sales last 12 months

Kristen Anderson
price range
sales last 12 months
Get to know Impact Group
Real Estate Consultants
Impact Group | One of Denver’s Top Real Estate Teams
If you’re comparing agents, here’s what matters:
150+ years combined experience
5,000+ homes sold
$325M closed in 2025
#1 team in Denver Metro (multiple yrs)
Recognized by Forbes, The Wall Street Journal, 5280 Magazine, and Five Star Professionals.
We handle a high volume of transactions every year. That matters because more reps means better knowledge, tighter negotiations, and more certainty ...
This team offers Showcase to make listings stand out
helps homes sell faster and for more with increased exposure on Zillow, a virtual tour, and an interactive floor plan.

Team sales and listings (1,967)
This map and property list shows the most recent 100 sales and 100 listings
Sold (1,924)
- $1,220,000
- 4 bd
- 4 ba
- 3,346 sqft
3825 Quail Court, Wheat Ridge, CO 80033Sold 4 days agoSeller
- $1,575,000
- 5 bd
- 4 ba
- 6,165 sqft
11567 Pine Canyon Drive, Parker, CO 80138Sold 4 days agoBuyer
- $537,500
- 2 bd
- 2 ba
- 2,424 sqft
8465 S Moore Street, Littleton, CO 80127Sold 5 days agoBuyer
- $190,000
- 2 bd
- 1 ba
- 771 sqft
1358 S Irving Street Bldg C #35, Denver, CO 80219Sold 5 days agoSeller
- $190,000
- 2 bd
- 1 ba
- 771 sqft
1358 S Irving Street #35, Denver, CO 80219Sold 5 days agoSeller
For sale (42)
- $329,000
- 3 bd
- 1 ba
- 935 sqft
1960 S King Street, Denver, CO 80219House for Sale1 day on Zillow
eXp Realty, LLC - $349,900
- 3 bd
- 2 ba
- 1,255 sqft
525 Violet Dr, Colorado Springs, CO 80911House for SaleShowcase
Exp Realty LLC - $450,000
- 3 bd
- 4 ba
- 1,940 sqft
14044 E Temple Drive, Aurora, CO 80015House for Sale3D Tour
eXp Realty, LLC - $420,000
- 3 bd
- 2 ba
- 1,176 sqft
9171 Corona Street, Thornton, CO 80229House for SaleShowcase
eXp Realty, LLC - $500,000
- 3 bd
- 3 ba
- 2,079 sqft
19770 E Lasalle Drive, Aurora, CO 80013House for Sale3D Tour
eXp Realty, LLC
For rent (1)
- $1,725/mo
- 2 bd
- 2 ba
- 800 sqft
1400 Golden Cir, Golden, CO 80401For rent52 days ago
Team reviews (255)
Reviews represent all team members.
- 5.0
- 6/3/2026
- • ZachTerzic
Bought a Single Family home in 2026 in Highlands ranch, CO.
Review for: Amy DubaVery responsive and kept me updated throughout the process. Helped me understand the process as a new home buyer and answered all my questions. Would definitely recommend...Very responsive and kept me updated throughout the process. Helped me understand the process as a new home buyer and answered all ...As first time home buyers we were very fortunate to have connected with Tammy as our realtor. She is extremely responsive and knowledgeable!! Viewing the houses with Tamm...As first time home buyers we were very fortunate to have connected with Tammy as our realtor. She is extremely responsive and know... - Tammy is an amazing realtor! She went above and beyond to help us find the perfect property. Beyond that, she was extremely thorough with the paperwork and helping us und...Tammy is an amazing realtor! She went above and beyond to help us find the perfect property. Beyond that, she was extremely thorou...We recently had the pleasure of working with Tammy James as our real estate agent, and we cannot express enough how grateful we are for her exceptional service. Tammy wen...We recently had the pleasure of working with Tammy James as our real estate agent, and we cannot express enough how grateful we ar...
- 5.0
- 5/24/2026
- • Randy Sandoval
Sold a Single Family home in 2023 in Loveland, CO.
Review for: Tammy JamesWe are very pleased that we chose Tammy to be our listing agent. She helped sell an estate home for us and she is an excellent agent. The sale involved several family mem...We are very pleased that we chose Tammy to be our listing agent. She helped sell an estate home for us and she is an excellent age...5.0- 5/18/2026
- • user684764
Bought a Single Family home in 2026 in Central park, Denver, CO.
Review for: Jon ColeWe have worked with Jon for the purchase of two homes, and he has gone above and beyond to help us navigate every step of the process. Even when our plans are unconventio...We have worked with Jon for the purchase of two homes, and he has gone above and beyond to help us navigate every step of the proc... - Erik helped me with the purchase of my townhome. He is extremely knowledgeable on the Denver housing market. He was present and attentive through the entire purchase pr...Erik helped me with the purchase of my townhome. He is extremely knowledgeable on the Denver housing market. He was present and ...5.0
- 5/11/2026
- • zuser20140325162236028
Bought a Single Family home in 2026 in Manitou springs, CO.
Review for: Cathy MatthynssensCathy is absolutely amazing! When you are buying out of state, trust is crucial. She went above and beyond to make us feel comfortable throughout the entire process. I co...Cathy is absolutely amazing! When you are buying out of state, trust is crucial. She went above and beyond to make us feel comfort... - 5.0
- 4/30/2026
- • carl p hartman
Sold a Condo home in 2026 in West colorado springs, Colorado springs, CO.
Review for: Cathy MatthynssensCathy was awesome to work with. She had a wealth of knowledge for military families. Always available to answer questions and provide candid advice/guidance. Her teams ef...Cathy was awesome to work with. She had a wealth of knowledge for military families. Always available to answer questions and prov...5.0- 4/26/2026
- • chad0884
Sold a Single Family home in 2016 in North park hill, Denver, CO.
Review for: Erik GruenwaldI had a rental property that I finally decided to sell and had no clue how to start the process and it needed a lot of work. I was really stressed out and hesitant about ...I had a rental property that I finally decided to sell and had no clue how to start the process and it needed a lot of work. I was...
