Skip main navigation

Mark Seiden

The Mark Seiden Real Estate Team Lead of team
Contact the team
Team

Recent Sales

Sales numbers represent all team members
Skip to the end of the carousel
  • $1,520,000
    4 bd5 ba6,029 sqft Mahopac, NY
    4 bd5 ba6,029 sqft
    Mahopac, NY
    Sold 5 days ago
    BuyerSeller
    47 Kayla Lane, Mahopac, NY, 10541
  • $1,085,000
    4 bd4 ba3,094 sqft Katonah, NY
    4 bd4 ba3,094 sqft
    Katonah, NY
    Sold 11 days ago
    Buyer
    31 Greenlawn Road, Katonah, NY, 10536
  • $1,465,000
    4 bd5 ba3,593 sqft Croton On Hudson, NY
    4 bd5 ba3,593 sqft
    Croton On Hudson, NY
    Sold 13 days ago
    Buyer
    19 Georgia Lane, Croton On Hudson, NY, 10520
  • $539,900
    4 bd3 ba2,144 sqft Middletown, NY
    4 bd3 ba2,144 sqft
    Middletown, NY
    Sold 18 days ago
    Buyer
    10 Frederick, Middletown, NY, 10941
  • $649,222
    3 bd2 ba1,730 sqft Ossining, NY
    3 bd2 ba1,730 sqft
    Ossining, NY
    Sold 23 days ago
    Seller
    59 Watson Avenue, Ossining, NY, 10562
Skip to the beginning of the carousel
60
Sales last 12 months
1,286
Total sales
$85K-$2M
Price range
$620K
Average price

Get to know the team

Broker/Owner

Specialties
Buyer's AgentListing AgentRelocationProperty ManagementFirst Time HomebuyersInvestment PropertiesLuxury HomesNew Construction
33 Years of experience

Premier Lenders

Team sales and listings (1,292)

This map and property list shows the most recent 100 sales and 100 listings

Sold
For sale

Sold (1,286)

Skip to the end of the carousel
Skip to the beginning of the carousel

For sale (6)

Skip to the end of the carousel
  • Listing by: Mark Seiden Real Estate Team
  • Listing by: Mark Seiden Real Estate Team
  • Listing by: Mark Seiden Real Estate Team
  • Listing by: Mark Seiden Real Estate Team
  • Listing by: Mark Seiden Real Estate Team
Skip to the beginning of the carousel

Team reviews (195)

Reviews represent all team members.

Skip to the end of the carousel
  • 5.0
    • 4/30/2026
    • mikeg4478

    Sold a home in 2026.

    Review for: Mark Seiden
    We worked with Allyson - from the first time we met all the way until closing, Allyson and the team were AMAZING! We had 2 great open houses with multiple offers, and en...
    We worked with Allyson - from the first time we met all the way until closing, Allyson and the team were AMAZING! We had 2 great ...
    5.0
    • 2/15/2026
    • ElisabethPacileo

    Bought a Condo home in 2026 in Mohegan lake, NY.

    Review for: Mark Seiden
    I truly cannot say enough wonderful things about my real estate agent Allison Imondo. What she did for me went far beyond just helping me buy my first home — she supporte...
    I truly cannot say enough wonderful things about my real estate agent Allison Imondo. What she did for me went far beyond just hel...
  • 5.0
    • 1/14/2026
    • mnadasdi19

    Bought a Condo home in 2026 in Ossining, NY.

    Review for: Mark Seiden
    Great experience with the Mark Seiden team! Their team approach to working with their clients ensured that we always had access to the right people at the right time. T...
    Great experience with the Mark Seiden team! Their team approach to working with their clients ensured that we always had access t...
    5.0
    • 8/17/2025
    • marisa berlinski

    Sold a Single Family home in 2025 in Pleasantville, NY.

    Review for: Mark Seiden
    We worked with Allyson Davidov of Mark Seiden Real Estate in Briarcliff Manor to sell our house. Allyson started the process by guiding us through what upgrades were advi...
    We worked with Allyson Davidov of Mark Seiden Real Estate in Briarcliff Manor to sell our house. Allyson started the process by gu...
  • 5.0
    • 6/18/2025
    • daminwei90

    Sold a home in 2025.

    Review for: Mark Seiden
    I just want to share how amazing my experience was selling my house with Mark Seiden Real Estate! This was my first time sell my house, honestly, I was a little nervous, ...
    I just want to share how amazing my experience was selling my house with Mark Seiden Real Estate! This was my first time sell my h...
    5.0
    • 5/20/2025
    • mschrader08

    Sold a Condo home in 2025 in Briarcliff manor, NY.

    Review for: Mark Seiden
    We worked with Allyson - she was fantastic! She understood our property and was both realistic and optimistic about our selling point. She was highly responsive, availabl...
    We worked with Allyson - she was fantastic! She understood our property and was both realistic and optimistic about our selling po...
  • 5.0
    • 12/21/2024
    • evita espino15

    Bought a Single Family home in 2024 in Spackenkill, Poughkeepsie, NY.

    Review for: Mark Seiden
    After spending 4 years exploring 2 different states & various locations, a colleague referred me to Allison & her team, especially Eiddie. And I can proudly say, they got...
    After spending 4 years exploring 2 different states & various locations, a colleague referred me to Allison & her team, especially...
    5.0
    • 8/6/2024
    • bjaffess92

    Bought and sold a home in 2017.

    Review for: Mark Seiden
    I worked with Allison Imondo from the Seiden team! I just wanted to take the time to thank you for all of the amazing work you’ve done for me and my wife (again!). It’s b...
    I worked with Allison Imondo from the Seiden team! I just wanted to take the time to thank you for all of the amazing work you’ve ...
  • 5.0
    • 2/20/2024
    • zuser20180824080907726

    Bought a Single Family home in 2024 in Brewster, NY.

    Review for: Mark Seiden
    I am not easy to work with, I never know the questions to ask and I take a long time deliberating. Michele, with Mark Seiden Real Estate, was truly patient, kind, and co...
    I am not easy to work with, I never know the questions to ask and I take a long time deliberating. Michele, with Mark Seiden Real...
    5.0
    • 9/18/2023
    • Christine James

    Bought a home in 2023.

    Review for: Mark Seiden
    As a first time home buyer I didn’t fully know what to expect in the home buying process. However, I was fortunate enough to be able to work with Jennifer, and the rest o...
    As a first time home buyer I didn’t fully know what to expect in the home buying process. However, I was fortunate enough to be ab...
Skip to the beginning of the carousel
Add a review

Mark Seiden

The Mark Seiden Real Estate Team Lead of team
60sales last 12 months
1,286total sales
$85K-$2Mprice range
$620Kaverage price
33years of experience