Don't miss this opportunity in East Cobb's sought-after Sentinel Lake! This 4BR, 4.5+ Baths sits beautifully on an almost half-acre semi-cul-de-sac lot with a private fenced backyard. The home features the Primary Suite on the Main with attached Private Study/Sitting Room; the renovated Kitchen / fireside Keeping Room with vaulted ceilings accesses the deck and private backyard; a sunken fireside Family Room also with access to the deck is perfect for entertaining or holiday gatherings. Just across the hall is the Formal Dining Room with attached Butler's Pantry. Upstairs you will find Jack & Jill Bedrooms and ensuite; an additional bedroom with private ensuite and a loft overlooking the Keeping Room; and lots of expandable walk-out attic space. The Terrace Level is perfect for an au pair or in-law suite with offering additional Den, full bathroom, Study, Gift-wrap Room, a large Flex Room that is just waiting to be designated as the perfect Game Room, Theatre or additional Bedroom Space. The third car Garage is on the terrace level with tons of storage space and/or the opportunity for expansion. Less than 10 minutes to a Braves game at The Battery, shopping or dining at The Avenue of East Cobb or Merchants Walk; 15 minutes to the theatre, shops and dining of Marietta Square or hip Canton Street bars and restaurants in Roswell, or enjoy comedy, music or theatre at City Springs in Sandy Springs. 5 minutes to Terrell Mill Park and the Sope Creek hiking trails or exercise along the river trails in multiple nearby parks. Easy access to 1-75. Don't miss this chance for East Cobb living!
Single-familyProperty Type
1989Year Built
0.42 acresLot Size
$194Price/Sq.Ft.
$113/moHOA Dues
3 car garageParking
Listed by Darron OBonnon• Coldwell Banker Realty
Contact: 770-993-9200
Bought with Capusine Clemons• Maximum One Greater Atlanta Realtors
Source:FMLS #7799753
Redfin Estimate
$965,897
$29K since sold in August 2026$64K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15% higher than the average sale price ($840K) of 6 comparable homes.
Est. $4,487 per month, based on comparable rentals
Sale and tax history for 100 Ridgetree Ln
Sale History
Tax History
Date
Event
Price
GAMLS #10799835
Aug 27, 2026
Sold
$995,000
$194/sq ft
Jul 16, 2026
Pending
—
Jul 11, 2026
Listed
$995,000
$194/sq ft
Jul 6, 2026
Coming Soon
$995,000
$194/sq ft
Don't miss this opportunity in East Cobb's sought-after Sentinel Lake! This 4BR, 4.5+ Baths sits beautifully on an almost half-acre semi-cul-de-sac lot with a private fenced backyard. The home features the Primary Suite on the Main with attached Private Study/Sitting Room; the renovated Kitchen / fireside Keeping Room with vaulted ceilings accesses the deck and private backyard; a sunken fireside Family Room also with access to the deck is perfect for entertaining or holiday gatherings. Just across the hall is the Formal Dining Room with attached Butler's Pantry. Upstairs you will find Jack & Jill Bedrooms and ensuite; an additional bedroom with private ensuite and a loft overlooking the Keeping Room; and lots of expandable walk-out attic space. The Terrace Level is perfect for an au pair or in-law suite with offering additional Den, full bathroom, Study, Gift-wrap Room, a large Flex Room that is just waiting to be designated as the perfect Game Room, Theatre or additional Bedroom Space. The third car Garage is on the terrace level with tons of storage space and/or the opportunity for expansion. Less than 10 minutes to a Braves game at The Battery, shopping or dining at The Avenue of East Cobb or Merchants Walk; 15 minutes to the theatre, shops and dining of Marietta Square or hip Canton Street bars and restaurants in Roswell, or enjoy comedy, music or theatre at City Springs in Sandy Springs. 5 minutes to Terrell Mill Park and the Sope Creek hiking trails or exercise along the river trails in multiple nearby parks. Easy access to 1-75. Don't miss this chance for East Cobb living!
FMLS #7799753
Aug 27, 2026
Sold
$995,000
$194/sq ft
Jul 22, 2026
Pending
—
Jul 16, 2026
Contingent
—
Jul 11, 2026
Listed
$995,000
$194/sq ft
Jul 6, 2026
Coming Soon
$995,000
$194/sq ft
Public Records
Dec 17, 1998
Sold
$385,000
$75/sq ft
Public Records
Jan 19, 1988
Sold
$348,600
$68/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$2,269 (+1.4%)
$80,000 + $267,156
$347,156
2024
$2,238 (+23.5%)
$76,000 + $258,432
$334,432
2023
$1,812 (−6.2%)
$52,000 + $208,992
$260,992
2022
$1,932
$52,000 + $180,216
$232,216
2021
$1,932 (+2.7%)
$52,000 + $180,216
$232,216
2020
$1,882
$48,000 + $167,508
$215,508
2019
$1,882
$48,000 + $167,508
$215,508
2018
$1,882 (+17.4%)
$48,000 + $167,508
$215,508
2017
$1,604 (−0.3%)
$34,000 + $164,960
$198,960
2016
$1,609 (−6.3%)
$34,000 + $164,960
$198,960
2014
$1,717 (+7.7%)
$40,000 + $150,752
$190,752
2013
$1,594 (−1.8%)
$40,000 + $112,968
$152,968
2012
$1,622 (−6.9%)
$40,000 + $112,968
$152,968
2011
$1,743 (+16.1%)
2010
$1,501
2009
$1,501 (−2.8%)
2008
$1,543
Public record
Public record
Zoning
Beds
4
Baths
5
Stories
1.7
Lot width
—
Lot depth
—
Lot size
0.42 Acres
Year renovated
—
Sq. Ft.
5,127
Year built
1989
Style
Single Family Residential
County
Cobb County
APN
16119700450
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 10, 2026.
R-20
Single-Family Residential District
The R-20 district is established to provide locations for single-family residential uses or residentially compatible institutional and recreational uses which are within or on the edge of properties delineated for any residential category as defined and shown on the Cobb County Comprehensive Plan: A Policy Guide, adopted November 27, 1990. When residentially compatible institutional and recreational uses are developed within the R-20 district, they should be designed and built to ensure intensity and density compatibility with adjacent single-family detached dwellings and otherwise to implement the stated purpose and intent of this chapter.
Permitted uses
Include but are not limited to:
Equestrian facility
Livestock production
Automotive sales
Automotive parking structure
Housing-Group
Housing-Single unit
Recreation
Golf related
Communications tower
Park & open space
Property details
Parking
Parking Information
# of Garage Spaces: 3
# of Total Parking: 3
Parking Features: Garage, Garage Door Opener, Garage Faces Side
Interior
Virtual Tour
Bathroom Information
# of Full Bathrooms: 4
# of Half Bathrooms: 2
# of Main Level Bathrooms: 1
# of Main Level Half Baths: 2
# of Upper Level Full Baths: 2
# of Lower Level Full Baths: 1
Master Bathroom Features: Separate His/Hers,Separate Tub/Shower,Soaking Tub,Whirlpool Tub
Bedroom Information
# of Main Level Bedrooms: 1
# of Upper Bedrooms: 3
Bedroom Features: In-Law Floorplan,Master on Main,Sitting Room
Interior Features
# of Fireplaces: 2
Fireplace Features: Factory Built, Gas Starter, Great Room
Interior Features: Bookcases, Double Vanity, Entrance Foyer, High Ceilings 9 ft Lower, High Ceilings 9 ft Upper, High Ceilings 10 ft Main, High Speed Internet, Low Flow Plumbing Fixtures, Tray Ceiling(s), Walk-In Closet(s)
Green Energy Efficient: Appliances, HVAC, Thermostat
Lot Information
TaxLegalDescription: SENTINEL LAKE P-1 LOT 6 BLOCK B
Financial
Financial Information
Buyer Financing: Conventional
Utilities
Utility Information
Cooling: Ceiling Fan(s), Central Air
Heating: Central, Forced Air, Natural Gas
Water Source: Public
Electric: 110 Volts, 220 Volts in Garage
Sewer: Public Sewer
Utilities: Cable Available, Electricity Available, Natural Gas Available, Phone Available, Sewer Available, Underground Utilities, Water Available
Location
HOA Information
Association Fee: $675
Association Fee Frequency: Semi-Annually
Has Association
School Information
Elementary School: Eastvalley
Middle Or Junior School: East Cobb
High School: Wheeler
Location Information
Directions: From Sandy Springs take Johnson Ferry across the river to LEFT on Lower Roswell. Travel approximately 3 miles to RIGHT on Timberloch Drive, RIGHT on Gatewood and LEFT onto Ridgetree Lane. 100 Ridgetree Lane will be on your right in the semi-cul-de-sac.
Road Surface Type: Asphalt
Road Frontage Type: City Street
Cobb - GA
Community Information
Community Features: Clubhouse, Lake, Pool, Tennis Court(s)
Public facts
Beds: 4
Baths: 5.0
Sq. Ft.: 5,127
Stories: 1.7
Lot Size: 0.42 acres
Style: Single Family Residential
Year Built: 1989
Year Renovated: —
County: Cobb County
APN: 16119700450
Home facts updated by county records on Jul 10, 2026
Around this home
Schools
Eastvalley Elementary School
Public PreK-5 • Assigned • 1.2mi
8/10
East Cobb Middle School
Public 6-8 • Assigned • 1.5mi
6/10
Wheeler High School
Public 9-12 • Assigned • 1.4mi
7/10
Provided by GreatSchools
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
5/10 Heat Factor
7 days above 103° expected this year, 18 days in 30 years
5/10 Wind Factor
25% chance of strong winds in next 30 years
4/10 Air Factor
5 unhealthy days expected this year, 8 days in 30 years
Provided by First Street
Historical weather
Marietta, GA • 30068
Average low and high temperatures (°F)
49
31
60
38
71
47
77
55
77
61
85
68
89
73
82
68
81
65
73
53
65
46
56
36
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
93/ 100
Exceptional sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.2 hrs
6.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$918,000 – $1.11M
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