Section Image
Deborah Siefkin listing agent for 1836 Harrier Ln, Argyle, TX - sold for $495,000
Sold
Deborah Siefkin buyer's agent for 9820 Ironwood Dr, Denton, TX - sold for $695,000
Sold
Deborah Siefkin listing agent for 8312 American Way, Denton, TX - sold for $860,000
Sold
Deborah Siefkin buyer's agent for 8712 Sarasota, Denton, TX - sold for Est. $552,676
Sold
Deborah Siefkin listing agent for 9620 Callaway Ct, Denton, TX - sold for Est. $510,706
Sold
Deborah Siefkin buyer's agent for 1304 Lakeway Dr, Southlake, TX - sold for Est. $1,111,850
Sold

Deborah Siefkin

Denton TX
Rightsize Realty Assoc, LLC
26 Closed Sales
$14.5M Total Value
$435K - $975K Price Range
$581.8K Average Price
Prior 5 years

About Deborah

Deb Siefkin is a real estate broker and founder of RightSize Realty Associates, serving Denton County, Texas.

She works with buyers and sellers who are navigating important transitions—relocating, downsizing, or moving into the next stage of life—and want to make a thoughtful decision, not just a quick one.

Deb is known for helping clients make sense of the market, understand their options, and move forward with clarity and confidence. Her approach is calm, structured, and focused on what actually matters in each decision.

She works across resale homes, new construction, and 55+ communities, and has a particular focus on lifestyle-driven moves within Denton County.

If you’re trying to figure out your next step, Deb offers straightforward guidance without pressure.
Home Types: House
Years of Experience: 17
Education: MS University of North TX - Applied Technology, Training and Developmnt, and BS University of Delaware - Individual and Family Services

Transaction History

Seller Deals

Total Deals 4
Total Value $2,420,000
Average Sale Price $605,000
Price Range $495K - $860K

Buyer Deals

Total Deals 2
Total Value $1,230,000
Average Sale Price $615,000
Price Range $535K - $695K

Seller Deals

Total Deals 8
Total Value $4,420,000
Average Sale Price $552,500
Price Range $340K - $860K

Buyer Deals

Total Deals 3
Total Value $2,205,000
Average Sale Price $735,000
Price Range $535K - $975K

Seller Deals

Total Deals 17
Total Value $9,485,000
Average Sale Price $557,941
Price Range $340K - $860K

Buyer Deals

Total Deals 8
Total Value $5,059,000
Average Sale Price $632,375
Price Range $455K - $975K

Production Over Time

5 Year View

Deborah's Listings and Deals

Awards and Designations

  • NAR - National Association of Realtors
  • GRI - Graduate REALTOR Institute
  • ABR - Accredited Buyer Representative
  • CNE - Certified Negotiation Expert
  • CRS - Certified Residential Specialist
  • MCNE - Master Certified Negotiation Expert
  • MRP - Military Relocation Professional
  • SFR - Short Sale & Foreclosure Resource
  • SRES - SRES®, Seniors Real Estate Specialist
  • SRS - Seller Representative Specialist

Other Experience

First Time Homebuyers, Senior Communities, New Construction
Agent License: Texas #606909B
Agent Photo

Deborah Siefkin

(940) 240-8566
(940) 240-8566

Homes for Sale by City