Grand Dominion, Mundelein — True Cost of Ownership

Lake County | 725 homes | Single-family detached only | Homes $320K–$550K

Grand Dominion is one of the few 55+ communities in the Chicago market that offers only single-family detached homes — no condos, no attached townhomes, no paired villas. That distinction has real cost implications. Every homeowner carries their own full homeowners insurance policy (no master policy that covers the structure), manages their own exterior maintenance, and owns their own lawn. The HOA at ~$200/mo covers community amenities and common areas, nothing more.

Lake County's effective property tax rate of ~2.5% is the most significant ongoing cost factor here. On a $450K home, that is $11,250 per year — $938/month — before HOA, insurance, or utilities. Buyers coming from states with lower property taxes often underestimate this line item. Illinois's full retirement income tax exemption (zero state income tax on Social Security, pensions, IRA withdrawals) helps, but it does not zero out the property tax reality.

Monthly Cost Breakdown

Cost ItemEst. Monthly (Low)Est. Monthly (High)Notes
HOA fee$195$210Clubhouse, common areas, pool — not lawn or exterior
Property tax$667$1,146Lake County ~2.5%; range on $320K–$550K homes
Lawn care (owner responsibility)$75$140Single-family detached; full lot maintenance on owner
Homeowners insurance$130$210Full structure policy; no master HOA coverage
Utilities$185$280Not covered by HOA
Total monthly (excl. mortgage)~$1,252~$1,986
Lake County vs. McHenry County on a comparable home: Grand Dominion sits in Lake County at ~2.5%. Sun City Huntley is in McHenry County at ~2.2%. On a $400K home, that difference is $1,200/year. Saddlebrook Farms is also Lake County — same tax environment, lower home prices. If the Lake County location is appealing but the tax rate is a concern, compare total cost across communities before deciding county is an acceptable tradeoff for proximity.

Lake County Tax by Home Value

Purchase PriceAnnual Tax Est.Monthly
$320,000$8,000$667
$400,000$10,000$833
$480,000$12,000$1,000
$550,000$13,750$1,146

Lake County assesses at 33.33% of market value. Senior Citizens Assessment Freeze (SCAFP) at 65+ with income under $65K — annual re-application required through Lake County Assessor. Does not freeze the rate, only the assessed value.

10-Year Projection — $400K Home

Cost Item10-Year Estimate
HOA fees (3% annual increase)~$27,700
Property tax (~$10,000/yr)~$103,000
Lawn care (~$100/mo)~$12,000
Insurance (~$165/mo)~$19,800
Utilities (~$230/mo)~$27,600
Total non-mortgage cost (10 yr)~$190,100

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