
Meet Impact Group
43 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 (1,955)
This map and property list shows the most recent 100 sales and 100 listings
Sold (1,915)
- $390,000
- 2 bd
- 2 ba
- 1,336 sqft
3751 Summerwood Way, Johnstown, CO 80534Sold 2 days agoBuyer
- $820,000
- 5 bd
- 3 ba
- 2,501 sqft
2161 S Dover Way, Lakewood, CO 80227Sold 2 days agoBuyer
- $750,000
- 4 bd
- 4 ba
- 2,930 sqft
8312 Coors Court, Arvada, CO 80005Sold 2 days agoSeller
- $810,000
- 6 bd
- 4 ba
- 2,414 sqft
2758 S Ingalls Way, Denver, CO 80227Sold 5 days agoSeller
- $270,000
- 2 bd
- 2 ba
- 1,088 sqft
8745 Santa Fe Drive, Thornton, CO 80260Sold 5 days agoSeller
For sale (39)
- $500,000
- 3 bd
- 3 ba
- 2,079 sqft
19770 E Lasalle Drive, Aurora, CO 80013House for SaleOpen: Sat 12-2pm (6/6)
eXp Realty, LLC - $975,000
- 3 bd
- 3 ba
- 1,697 sqft
28 Skyline Drive UNIT 1551, Dillon, CO 80435House for Sale4 days on Zillow
eXp Realty, LLC - $595,000
- 4 bd
- 3 ba
- 1,725 sqft
220 Ash Avenue, Castle Rock, CO 80104House for SaleRaised garden beds
eXp Realty, LLC - $120,000
- -- bd
- -- ba
- -- sqft
944 Roberts Rd, Alma, CO 80420House for Sale3D Tour
Exp Realty LLC - $525,000
- -- bd
- -- ba
- -- sqft
1701 N Rocky View Rd, Castle Rock, CO 80108House for SaleSweeping mountain views
Exp Realty LLC
For rent (1)
- $1,725/mo
- 2 bd
- 2 ba
- 800 sqft
1400 Golden Cir, Golden, CO 80401For rent46 days ago
Team reviews (254)
Reviews represent all team members.
- 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...We’ve been working with Erik Gruenwald since 2014, and he helped us buy both our first apartment and our first house. He’s super knowledgeable and made the whole process ...We’ve been working with Erik Gruenwald since 2014, and he helped us buy both our first apartment and our first house. He’s super k...

