AC system age by Lake Mary neighborhood
The median improved residential parcel in the City of Lake Mary tax district was built in 1996, but that median hides a 50-year spread: Crystal Lake Winter Homes dates from 1973 and Griffin Park from 2019. Build year is the best single predictor of what your air conditioning needs next.
What the parcel data says about the city as a whole
Seminole County Property Appraiser CAMA extract (parcel file dated 5 September 2026), tax district M1 — City of Lake Mary — improved residential parcels only. The 25th percentile build year is 1988 and the 75th is 2004, across 151 named subdivisions. 214 parcels carry no subdivision name in the extract and are counted in the totals but not in the table below.
The twenty largest subdivisions inside the city limits
| Subdivision | Median built | What that usually means |
|---|---|---|
| Fountain Parke at Lake Mary Phase 2 | 2016 | Original equipment, 10 years old. Maintenance and warranty territory, not replacement. No pool parcels recorded. |
| Crystal Lake Winter Homes | 1973 | Built 1973. At 53 years this is second- or third-generation equipment, and attic ductwork is a live question. 30 of 221 with a pool. |
| Lake Mary Landings | 2008 | Typically on its first or second system at 18 years. R-410A era — the refrigerant question decides borderline repairs. No pool parcels recorded. |
| Fountain Parke at Lake Mary | 2007 | Typically on its first or second system at 19 years. R-410A era — the refrigerant question decides borderline repairs. No pool parcels recorded. |
| Woodbridge Lakes Unit 1 | 1998 | Typically on its first or second system at 28 years. R-410A era — the refrigerant question decides borderline repairs. 72 of 159 with a pool. |
| Reserve at Lake Mary | 2003 | Typically on its first or second system at 23 years. R-410A era — the refrigerant question decides borderline repairs. 108 of 143 with a pool. |
| Evansdale | 1979 | Built 1979. At 47 years this is second- or third-generation equipment, and attic ductwork is a live question. 20 of 122 with a pool. |
| Timacuan Unit 16 Ph 1 Replat | 1996 | Built 1996. At 30 years this is second- or third-generation equipment, and attic ductwork is a live question. 88 of 120 with a pool. |
| Cardinal Oaks Cove | 1988 | Built 1988. At 38 years this is second- or third-generation equipment, and attic ductwork is a live question. 95 of 110 with a pool. |
| Manderley Sub Ph 1 | 1996 | Built 1996. At 30 years this is second- or third-generation equipment, and attic ductwork is a live question. 43 of 102 with a pool. |
| Lake Mary Woods | 1989 | Built 1989. At 37 years this is second- or third-generation equipment, and attic ductwork is a live question. 81 of 94 with a pool. |
| Hills of Lake Mary Ph 1 | 1989 | Built 1989. At 37 years this is second- or third-generation equipment, and attic ductwork is a live question. 44 of 88 with a pool. |
| Hills of Lake Mary Ph 4 | 1988 | Built 1988. At 38 years this is second- or third-generation equipment, and attic ductwork is a live question. 45 of 88 with a pool. |
| Tuscany at Lake Mary Ph 1 | 2002 | Typically on its first or second system at 24 years. R-410A era — the refrigerant question decides borderline repairs. 64 of 81 with a pool. |
| Woldunn Replat | 1995 | Built 1995. At 31 years this is second- or third-generation equipment, and attic ductwork is a live question. 80 of 80 with a pool. |
| Cardinal Oaks Phase 2 Amended Plat | 1984 | Built 1984. At 42 years this is second- or third-generation equipment, and attic ductwork is a live question. 58 of 79 with a pool. |
| Griffin Park | 2019 | Original equipment, 7 years old. Maintenance and warranty territory, not replacement. No pool parcels recorded. |
| Hills of Lake Mary Ph 2 | 1992 | Built 1992. At 34 years this is second- or third-generation equipment, and attic ductwork is a live question. 31 of 78 with a pool. |
| Lake Emma Sound | 2018 | Original equipment, 8 years old. Maintenance and warranty territory, not replacement. 24 of 78 with a pool. |
| Huntington Pointe Ph 1 | 1996 | Built 1996. At 30 years this is second- or third-generation equipment, and attic ductwork is a live question. 12 of 74 with a pool. |
These are subdivisions inside the CITY OF LAKE MARY tax district, which is why Heathrow does not appear: Heathrow is unincorporated Seminole County with a Lake Mary mailing address, and its parcels sit in a different tax district. Heathrow and the other county pockets ›
How to read your own build year
Built before 1990. The house is on at least its second system and probably its third. Original ductwork in an unconditioned attic is at or past service life, and this is the era when straight-cool plus electric strip heat was standard — which is also the only configuration that reaches Duke’s larger rebate tiers. Crystal Lake Winter Homes, Evansdale, Cardinal Oaks and the earlier Hills of Lake Mary phases sit here.
Built 1990–2005. The system in the house now is probably a mid-2000s or 2010s replacement, which means R-410A. That is the band where the refrigerant transition, not age, decides borderline repairs. Timacuan, Manderley, Woldunn, Woodbridge Lakes, Huntington Pointe, Reserve at Lake Mary and Tuscany sit here.
Built 2006 or later. Fountain Parke, Lake Mary Landings, Lake Emma Sound and Griffin Park. Original equipment, inside or just outside the mid-teens expected life. The right conversation here is maintenance, warranty terms and whether the existing system was ever correctly sized — not replacement.
One qualifier that runs across all three: a pool. 2,378 of these 5,343 parcels have one, and a screened lanai with a wide glass span changes the load calculation more than the age of the equipment does. Why pool homes size differently ›
Sources for this page
Researched 6 September 2026. Fees, rebate amounts and code minimums change — check the issuing authority before you rely on a figure.