Annandale lake and fountains
The lighted lake at the center of the community's shared landscape.
Annandale · Brentwood, TN
Additions and outdoor living for Annandale's gated estate lots
Annandale is a gated estate community of roughly 180 homes on 221 acres straddling the Williamson and Davidson county line near Old Smyrna and Franklin Road. Lots are generous, the landscape is the amenity, and most projects here are about connecting the house to it.
History & architecture
How Annandale was built
The community was assembled on 221 acres of rolling land on Brentwood's northern edge, straddling the Williamson–Davidson county line near Church Street and Old Smyrna Road.
It was built out in phases rather than all at once, so house styles range from 1990s and 2000s traditional brick estates to newer transitional and modern-farmhouse builds on later lots.
The plan keeps a large share of the acreage in shared landscape — a lake with lighted fountains and a 14-acre tree-lined park with a walking trail — rather than pushing lot yields to the maximum.
A 24-hour guarded gate has been part of the community's identity from the start, and it still shapes construction access and contractor scheduling.
The result is one of Brentwood's most consistent high-end addresses, with about 180 homes on 221 acres.
- Typical era
- 1990s–2000s, with newer infill builds
- Dominant styles
- Brick and stone traditional estates, with newer transitional and farmhouse elevations
- Community scale
- About 180 homes on 221 acres
- Review
- AHOA architectural review plus City of Brentwood permits
Landmarks & shared spaces
Places that anchor Annandale
14-acre park and walking trail
Tree-lined common open space threaded through the neighborhood.
Amenity center
Main pool, kids' pool, cabana, outdoor fireplace, and play area.
Guarded gate
24-hour staffed entry controlling access, including deliveries and trades.
Businesses & districts
Where Annandale gathers
Maryland Farms
Brentwood's office park and services hub, minutes south.
Hill Center Brentwood
Restaurants and shops at Franklin Road and Maryland Way.
Franklin Road / Old Hickory Boulevard
The commercial spine linking Annandale toward Green Hills and Nashville.
Zoning & overlays
Common zoning codes in Annandale
These are the base districts and overlays we see most often on Annandale lots. Always confirm your parcel's district and overlays on the Metro zoning map before design decisions get expensive.
OSRDOpen Space Residential Development
The likely fit for a large tract that trades lot size for permanently preserved open space — 50 ft front, 20 ft side, 30 ft rear, 25% building coverage, 40% minimum green space per lot. Verify your specific parcel on the city zoning map.
R-1 / R-2Large-lot and suburban residential
Neighboring Brentwood parcels carry two-acre (R-1, 150 ft front) or one-acre (R-2, 75 ft front) standards, both capped at 25% building coverage.
Overlays that apply here
HOA
Annandale Home Owners Association standards
Recorded covenants and the HOA architectural committee govern exterior changes here — confirm current standards with your association before design starts, since they are amended more often than zoning.
STORMWATER
Stormwater and riparian buffers
The lake and drainage corridors bring Chapter 56 buffer and stormwater requirements into play on adjacent lots.
Permitting path
- 1Start with your homeowners association's architectural review committee. In Brentwood's planned subdivisions the HOA covenants are usually stricter than the zoning ordinance on materials, roof pitch, garage orientation, and outbuildings.
- 2Confirm the parcel's base district — AR, R-1, R-2, or OSRD — on the City of Brentwood zoning map, because the front setbacks differ dramatically between them (175 ft in AR, 150 ft in R-1, 75 ft in R-2, 50 ft in OSRD).
- 3Check the 25% maximum building coverage across all structures. On Brentwood lots this, not floor area, is usually what caps an addition plus a detached garage or pool house.
- 4If the lot includes steep or visually prominent slopes, the Hillside Protection Overlay applies and the planning commission reviews the site plan and grading; accessory structures in front or side yards also need planning commission approval there.
- 5Creek-adjacent lots carry Chapter 56 stormwater, erosion control, and riparian buffer requirements that shape where a footprint can go.
- 6Then submit to Planning & Codes for the building permit. There is no Certificate of Appropriateness step anywhere in Brentwood.
Why it matters
Annandale's place in Brentwood
Annandale is one of the anchors of Brentwood's gated estate market and a common comparison point for buyers weighing Brentwood against Green Hills.
Its county-line position gives residents Brentwood's address and Nashville proximity at once, which keeps demand — and renovation investment — steady.
The community's park and lake show a design approach Brentwood has increasingly favored: shared open space instead of maximum lot count.
Events & festivals
What happens in Annandale
Neighborhood pool season
Summer
The amenity center is the community's social center from May through Labor Day.
Brentwood Summer Concert Series
Summer
Free concerts at Crockett Park, including the July 4 finale.
Holiday decorating
December
A long-running tradition along the gated entry and main drive.
Designing here
What this means for your Annandale project
- Lot depth here supports rear additions and detached structures, but the 25% coverage cap counts every building — house, garage, pool house, and covered pavilion together.
- Screened porches and covered outdoor rooms are the most requested project, and they work best when the roof form extends the original rather than tacking on a shed.
- Lake- and park-adjacent lots put your rear elevation on display to the whole neighborhood; treat it as a primary facade.
- The gate changes logistics. Staging, deliveries, and trade parking all need to be worked out with the association before construction, not during.
- Second-story bonus and in-law suites over attached garages are usually the cheapest square footage on these houses, since the foundation and roof are already there.
FAQ
Questions about Annandale
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