Northfield
Homes for Sale in Alpharetta, GA

Northfield market snapshot (as of September 20, 2026): the median sale price is about $471K ($347 per sq ft over the trailing 12 months of closed sales), and a median 11 days on market for closed sales. The trailing-12-month median is up 6% from the prior 12 months, computed from record-level Georgia MLS closed sales (4 closings in the current window).

In ZIP 30009 (Alpharetta), 209 homes closed in the last 12 months at a median of $725K ($290/sq ft), down 0.3% year over year, with a median 48 days on market. Right now 79 active and 12 pending listings put supply at about 6.4 months — a buyer's market. See the live ZIP 30009 housing market.

Georgia MLS sales records identify 9 homes in Northfield that have changed hands since 2024, built between 1989 and 1992 (median 1991), with a median living area of about 1,510 sq ft and a typical 3-bedroom, 2-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.

Northfield is a Fulton County community inside Alpharetta, priced around a $471,250 median with no distinct community amenity package identified in current listings — value here rests on the individual home and its Alpharetta location.

With no clubhouse, pool, or gate identified in the current MLS record, Northfield's price per square foot of $347.44 is a fairly clean read on the house itself — lot, condition, layout, and finishes are doing the work that amenities do in other communities. That makes this a market where a home inspection and a close look at recent condition-driven updates matter more than a fee schedule or HOA amenity list.

The median days-on-market figure of just over ten days, paired with only four closings in the reporting window, tells a story of quick turnover on a small number of transactions. That combination rewards buyers who move decisively once they've done their homework, and it puts pressure on sellers to have the home priced and staged correctly before it goes live — there is not a deep pool of comparable, slow-moving inventory to lean on for reference.

In a market with a thin closings sample and fast turnover, the read on any single listing has to come from real transaction data and a direct look at the property, not a generic feed. We track Northfield's MLS activity closing by closing, so pricing conversations are grounded in what has actually sold in Alpharetta, not assumptions carried over from a larger, amenity-driven community.

Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.