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About This Home
This 5-bedroom, 5-bathroom single family at 3820 Sierra Knolls Court in Cumming, GA is listed for $1,250,990 ($314 per sqft). Built in 2026, the home offers 3,987 sqft of living space on a 0.41 acres lot.
Penny Plan Lot 182: 5BR/ 4.5BA on Basement with 4 CAR GARAGE ON LAKE- Discover extraordinary lakefront elegance on a generous private lot in the prestigious gated Sierra Lake community, located in vibrant Cumming, Georgia.Perched on one of the neighborhood's premier oversized homesites right beside the peaceful 15-acre fishing lake, this brand-new home delivers unmatched serenity and seclusion.
Relax on your spacious covered rear porch, where panoramic vistas of the glistening water and spectacular sunsets become your daily escape-your ultimate backyard haven awaits.A quick stroll brings you to an array of outstanding resort-inspired amenities: an expansive resort-style pool, warm and welcoming clubhouse, picturesque walking trails (many
looping around the lake), playground, dedicated dog park, soccer fields and play areas, fishing docks, and additional recreational perks-all crafted for effortless family fun, fitness, and downtime.Boasting more than 4,000 square feet of intelligently planned, open living areas, this 5-bedroom, 4.5-bath residence is an ideal fit for extended families or those desiring generous space and personal privacy.
Premium highlights feature a main-floor bedroom suite with its private bath, a full media room ready for entertainment, a gracious formal dining area, a flexible living room that works perfectly as an office, dual inviting fireplaces, sophisticated built-in shelving, a handy coffee bar adjacent to the kitchen, and a standout 4-car garage offering plenty of room for cars, gear, or projects.
In prime Forsyth County, the setting couldn't be better. Glide onto GA-400 for smooth drives, head to Lake Lanier for water sports and nature escapes, access excellent schools (Coal Mountain Elementary, North Forsyth Middle, and North Forsyth High), Northside Hospital, local parks, restaurants, and retail-all just a short 10-minute trip away.
This rare lakefront gem in Sierra Lake's concluding phases is highly sought after-properties with these exceptional lots and upscale details are vanishing fast. Seize the opportunity to make this seamless fusion of peaceful waterfront charm, high-end contemporary design, and unbeatable accessibility your forever home! FILE PHOTOS
Key Features
- Built in 2026
- 0.41 acre lot
- 3 stories
- Fireplace
Property Details
Amenities
Monthly Cost Estimate
$8,011/mo
20% down · 6.5% · 30 years
Estimates only. Actual payments may vary.
Location
3820 Sierra Knolls Court
Cumming, GA 30040
Sierra Lake
Features & Amenities
Interior Features
Exterior Features
Property Details
Flooring
Construction
Views
Pool Features
Parking
Heating
Cooling
Appliances
Questions & Answers
This 5-bedroom, 5-bathroom single family at 3820 Sierra Knolls Court is listed at $1,250,990 ($314/sqft). The estimated monthly payment is $6,741 based on 20% down at 6.5% interest.
HOA fees are $1320/month.
Key features include: Built in 2026, 0.41 acre lot, 3 stories, Fireplace. Interior Features: Coffered Ceiling(s), Crown Molding, Disappearing Attic Stairs. Exterior Features: Private Yard.
This property is listed by STEPHANIE SWIMS CATES and can be reached at (404) 769-8666 or scates777@gmail.com.





































