Sienna
Homes for Sale in Cumming, GA
All 460 homes for sale in Cumming, GA · median $624,950 · 266 homes for sale in 30040
True comps, carrying-cost math, and listings before the portals.
Photo courtesy of Willis Group Real Estate, The Rezerve · via Georgia MLS
As of September 2026, Sienna in Cumming, GA has 2 homes for sale. Over the 12 months ending 2026-09-20, 7 recorded sales closed at a median of $675,000, $154 per square foot, a median 25 days on market, sellers accepting 98% of original asking (+13% versus the prior year). Homes listed or recently sold were built 2004–2006. At the median price and Forsyth County's 2025 rate of 21.42 mills, annual property tax runs about $5,780.
| Location | Cumming, Forsyth County, GA · ZIP 30040 |
|---|---|
| Home types (current listings and sales) | single-family 100% |
| Amenities listed by sellers | Pool, Tennis Court(s), Playground, Near Shopping, Walk To Schools, Carbon Monoxide Detector(s) |
| Sale prices, last 12 months | $675,000 median across 7 closed sales · $154 per sq ft · +13.4% vs the prior 12 months |
| Days on market (closed sales) | 25 median |
| For sale right now | 2 active, 0 pending · median asking $712,500 · 3.4 months of supply |
Data as of September 20, 2026. Listing data © 2026 Georgia MLS (GAMLS). Information is deemed reliable but is not guaranteed. Market figures describe homes, not residents. Cite as: Momentum Realty, “Sienna key facts,” movewithmomentum.com/neighborhoods/sienna, data as of September 20, 2026.
Last 30 days in Sienna: 1 new listing (median asking $775,000). As of September 21, 2026, Listing data © 2026 Georgia MLS (GAMLS). Information is deemed reliable but is not guaranteed.
Sienna's pricing sits at a median of $655,000, and with only 8 closings in the current window, that figure should be read as a snapshot of a thin, condition-driven market rather than a firm ceiling or floor. Price per square foot near $158.65 suggests the value here is tied closely to lot size, finish level, and layout rather than a uniform build standard across the community.
A median days-on-market of just over 25 days points to a market that is moving with reasonable pace but is not frantic. For sellers, that means pricing accurately from listing day one still matters — there is not enough transaction volume to absorb a mispriced listing. For buyers, it means there is room to move deliberately without assuming every home will draw competing offers within days.
Sienna right now
🟡 Balanced market. 3.4 months of supply and 0% of the inventory already under contract put buyers and sellers on roughly even footing.Why it matters: months of supply is how long today's inventory would last at today's sales pace; under-contract share is the portion of homes for sale that already have a buyer.Momentum Research analysis of Georgia MLS records, as of September 20, 2026. Confidence: Medium (2 active and pending listings, 7 closed sales in 12 months).
🟢 Still climbing. The trailing-12-month median ($675K) is up 13.4% from the prior 12 months ($595K). With about 6 sales a year, a single closing can swing this number, so read the level and the decade, not one year's move.Momentum Research, record-level Georgia MLS closed sales, 12-month windows ending September 20. Confidence: Medium (7 and 6 sales in the two windows).
Jump to: Price history & scorecard · Homes for sale · Schools · FAQ
· Updated September 22, 2026 · Live data: Georgia MLS, refreshed twice daily · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
The 60-Second Overview
Sienna market snapshot (as of September 20, 2026): the median sale price is about $675K ($154 per sq ft over the trailing 12 months of closed sales), a median 25 days on market for closed sales, and 3.4 months of supply, a balanced market. The trailing-12-month median is up 13% from the prior 12 months, computed from record-level Georgia MLS closed sales (7 closings in the current window).
In ZIP 30040 (Cumming), 569 homes closed in the last 12 months at a median of $649K ($213/sq ft), down 2.8% year over year, with a median 35 days on market. Right now 170 active and 42 pending listings put supply at about 5.0 months — a balanced market. See the live ZIP 30040 housing market.
Georgia MLS sales records identify 19 homes in Sienna that have changed hands since 2024, built between 2004 and 2007 (median 2005), with a median living area of about 3,288 sq ft and a typical 5-bedroom, 4-bath layout; 100% are single-family homes. Source: Georgia MLS closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community. Georgia has no statewide parcel roll comparable to Florida’s DOR file, so ownership and homestead shares are not shown.
Sienna is a Cumming community in Forsyth County where current MLS activity is limited, which makes each closing more influential on the read of the market than it would be in a higher-volume neighborhood.
The setting & the homes.
Aerial and on-site photos of Sienna. Swipe to explore the community.
Swipe or use the arrows → tap any photo to enlarge
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SiennaPhotos from Georgia MLS listings in Sienna; content deemed reliable but not guaranteed.
Who Sienna is best for.
Best for
- Buying with flexibility on timeline, since the market here moves at a measured pace rather than under heavy competitive pressure.
- Selling a home in strong condition where per-square-foot value can be clearly demonstrated against the median.
- Buyers who are comfortable confirming amenity and HOA details directly rather than relying on a standard package.
Probably not for
- Needing a deep bench of recent comparable sales to validate an offer or listing price.
- Expecting a defined suite of community amenities as part of the purchase.
- Buyers who want a high-volume market with frequent, easily tracked pricing trends.
Homes For Sale Right Now in Sienna
Live MLS inventory for Sienna. Every active listing, what is under contract right now, and the last 12 months of closed sales, refreshed twice a day. Closed comps beat an algorithm's guess every time.
Active and pending Sienna listings as of 2026-09-21, priced high to low. Listing data © 2026 Georgia MLS (GAMLS). Information is deemed reliable but is not guaranteed. 
Tap any home to ask about it.
Every Home for Sale in Sienna Right Now (2)
All 2 active and pending Sienna listings with a detail page, newest first, refreshed twice a day from the MLS.
- 960 Garden Crossing Lane · $775,000 · 7 bd / 5 ba · listed Aug 28, 2026 · listed by BHHS Georgia Properties
- 1110 Sienna Drive · $650,000 · 6 bd / 3.5 ba · listed Jul 20, 2026 · listed by Atlanta Communities
Sienna on the map.
Every active, pending, and recently sold home, plotted. Toggle the layers and tap a home for the details.
Listing locations from Georgia MLS. Map data © OpenStreetMap, tiles © CARTO.
Schools
- Forsyth County School System
- Verify the zoned schools by address
- Magnet and choice options may be available
Forsyth County School System posted a 97.0% four-year graduation rate and 54,501 students across 42 schools in 2024-25 (Governor’s Office of Student Achievement).
- Kelly Mill · Elementary
- Hendricks · Middle
- Forsyth Central · High
District figures are official Georgia (GOSA) 2024-25 data. Zoned schools reflect the assignments reported on recent Sienna listings and can change; always confirm with the Forsyth County School System for a specific address.
Buying with schools in mind? We can confirm the exact zoned schools for any Sienna address.
Shop the zone: Homes zoned for Kelly Mill Elementary School · Homes zoned for Hendricks Middle School · Homes zoned for Forsyth Central High School
The Sienna buying strategy.
If we were buying in Sienna today, this is the order of operations we would run for our clients.
Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.
Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.
Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.
Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.
Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in Sienna.
Reading a Thin Data Set
With 8 closings in the current window, Sienna does not generate the transaction volume of a larger subdivision, so any single sale can shift the median more than it would elsewhere. The $655,000 median and $158.65 per-square-foot figure are useful directional markers, but they are best treated as a starting point for a conversation about a specific home rather than a fixed pricing formula.
No community amenities have been identified from current MLS listings, so buyers evaluating Sienna should confirm what, if anything, is included at the HOA or community level directly rather than assuming a standard package of shared facilities.
The location and the amenities are priced into every listing in Sienna. The deal is won or lost on condition, the comps, and the renovation math.
Momentum Buy Score.
Our proprietary 0 to 10 read across the factors that decide how a home in Sienna buys, holds, and resells. Momentum Research; not an appraisal.
Momentum Intelligence Scores are our proprietary, qualitative assessment on a 0 to 10 scale, built from the record-level market data on this page. They are a framework for comparing communities, not a guarantee of future value and not advice on a specific home; unlike an automated value estimate they do not price your home, they grade the community on evidence you can inspect. Composite is the plain average of the 3 factors (8.1). Basis: Recent Direction +13.4% year-over-year; Liquidity & Demand 3.4 months of supply; Pricing Power 97.7% sale-to-list. Refreshed with each data update.
Why work with Momentum here
In a community with only 8 recent closings, pricing a home correctly or evaluating an offer requires close attention to the handful of comparable sales that actually exist, not a broad market average. We track those individual data points as they come in and use them to build a pricing or offer strategy specific to the home in front of us.
Sienna in 15 seconds.
HOA, CDD & Fees
- HOA status not on record. Verify any dues before you offer
- Any club/amenity membership is billed separately
Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.
Tools for a Sienna buy.
Free calculators to pressure-test the real cost before you tour.
Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed Sienna sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in Sienna, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your Sienna home worth?
Get a no-obligation home value based on real comparable sales in Sienna, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.
See all homes for sale in Cumming →
18% of homes for sale in ZIP 30040 are already under contract (under contract ÷ under contract + active listings) — a read on how much of the available inventory buyers have already claimed. Source: MLS data (2026-09-22).
Sienna Market Scorecard
Sienna is currently a seller's market. About 3.4 months of supply, a median asking price of $712,500, and homes go under contract in about 40 days.
Go deeper: true cost calculator · affordability calculator.
Live data: realMLS, refreshed twice daily. Typical value: Zillow Research. Market metrics only; these describe homes for sale and recent sales, not residents.
Frequently Asked Questions
What is the median home price in Sienna?
How long do homes in Sienna take to sell?
Is Sienna a buyer's or seller's market right now?
Who is the best real estate agent for Sienna?
How do I find a top Cumming real estate agent who knows Sienna?
Can Momentum Realty connect me with an agent for Sienna?
Where is Sienna, and what county is it in?
Is Sienna a good place to live?
Should you buy in Sienna?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Live listings | Georgia MLS, refreshed twice daily (last: September 21, 2026) |
| Community market stats | Georgia MLS closed sales, 12-month windows ending September 20, 2026 |
| Under-contract shares | Georgia MLS records, as of 2026-09-20 |
| Historical depth | Closed-sale records back to 2024 (19 transactions analyzed) |
Verify the primary sources yourself: Georgia DOR · U.S. Census · FEMA flood maps.
Momentum Research figures are our own analysis of Georgia MLS records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.
Own a home here?
You just read the data. Now see what your home is worth.
The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum will price yours against live local comps — a real number, not an algorithm’s guess.
Looking to buy here? Search homes for sale →
What’s your home worth in your area?
A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.
See how Sienna fits the bigger picture — live prices, inventory, and Momentum Scores:
Nearby Communities
Explore more neighborhoods near Sienna with Momentum Realty’s local guides.