County guide · El Dorado County
The hidden cost of buying in El Dorado County
In most of this county the property tax rate is not the problem — it barely moves from town to town. The money is somewhere else entirely: in a Mello-Roos special tax if you buy in El Dorado Hills, and in fire insurance, a well, a septic system, propane and a snow-removal contract if you buy anywhere above the foothill line.
Property tax
What you'll actually pay in property tax
El Dorado County property tax starts at the Proposition 13 base of 1.00% of assessed value and adds voter-approved bond debt service on top. Measured the way a buyer feels it — total annual bill divided by market value — the county median runs about 1.08%, below the California median near 1.21%. What is unusual here is how little that number moves: Diamond Springs about 1.04%, Placerville and Shingle Springs about 1.06%, Pollock Pines about 1.07%, South Lake Tahoe about 1.08%, Cameron Park about 1.09%. Then there is El Dorado Hills at about 1.18% at the median and roughly 1.43% at the 90th percentile — the widest spread in the county, and essentially the only place in El Dorado where the tax line is the thing that decides your payment.
1.00%
Prop 13 base rate
California Constitution art. XIIIA §1 — the statutory floor every parcel starts from.
1.04–1.09%
Almost the whole county
Diamond Springs 1.04% · Placerville and Shingle Springs 1.06% · Pollock Pines 1.07% · South Lake Tahoe 1.08% · Cameron Park 1.09%. Median annual bill ÷ market value, April 2026.
1.18–1.43%
El Dorado Hills
Median 1.18%, 75th percentile 1.32%, 90th percentile 1.43%. Median EDH bill about $8,083; at the 90th percentile about $13,887. The spread is CFDs.
The supplemental bill
The one-time tax bill that surprises buyers
This is the bill that catches the most buyers off guard, and it catches them here for a specific reason: El Dorado has a lot of long-held property. When you close, the Assessor resets the home to your purchase price. The gap between the seller’s old assessed value and your new price is taxed once — a one-time supplemental bill, prorated for the months left in the fiscal year (July 1–June 30). It arrives separately from your regular annual bill, generally within a year of closing, and lenders do not escrow for it.
El Dorado Hills resale, closes September
Prior assessed value
$430,000
Your purchase price
$850,000
Supplemental assessment
$420,000
Full-year supplemental (~1.08%)
$4,536
Proration factor (Sep)
×0.75
Estimated supplemental bill
$3,402
Placerville resale, closes December
Prior assessed value
$185,000
Your purchase price
$425,000
Supplemental assessment
$240,000
Full-year supplemental (~1.08%)
$2,592
Proration factor (Dec)
×0.5
Estimated supplemental bill
$1,296
Cameron Park, closes March (two bills)
Prior assessed value
$205,000
Your purchase price
$480,000
Supplemental assessment
$275,000
Full-year supplemental (~1.08%)
$2,970
Proration factor (Mar)
×0.25
First bill (partial year)
$743
Plus a second bill of ≈$2,970 for the full following fiscal year (closings Jan–May generate two).
The long-held-property trap in the foothills
How the proration works
Jul
0.92
Aug
0.83
Sep
0.75
Oct
0.67
Nov
0.58
Dec
0.50
Jan
0.42
Feb
0.33
Mar
0.25
Apr
0.17
May
0.08
Jun
1.00
Sources
El Dorado County Tax Collector — supplemental tax bills — FY 2025–26
CA BOE — Supplemental Assessments — R&TC §75 et seq.
Mello-Roos + special taxes
Mello-Roos is an El Dorado Hills question
El Dorado County has one real Mello-Roos story, and it lives almost entirely in El Dorado Hills. The useful rule of thumb: if the house was built after about 1993, it very probably sits in a community facilities district, and if it was built before that, it very probably does not. Cameron Park, Shingle Springs, Placerville, Diamond Springs, Pollock Pines and most of the unincorporated county are largely CFD-free — which is exactly why their effective tax rates cluster so tightly around the county median.
Pre-1993 El Dorado Hills, Cameron Park, Placerville, Diamond Springs, Pollock Pines, Tahoe
Bonds and modest direct charges only. This is where the county’s 1.04–1.09% bills live.
None
Newer El Dorado Hills tracts
A special tax on top of the ad-valorem bill. It is the difference between a 1.18% median and a 1.43% 90th percentile in EDH — but the amount is set by the district’s rate and method of apportionment, not by a percentage of your price.
CFD likely
A parcel inside more than one district
A CSD district-master CFD plus a neighborhood CFD plus an HOA is a real configuration in El Dorado Hills. Each is a separate line and the HOA is not on the tax bill at all.
Stacked
Rural parcels with no CFD
No special tax, but budget for the well, the septic system, propane delivery and a private road agreement instead. That trade is the whole shape of this county.
Different bill
Correct the number you were probably quoted
El Dorado Hills — named districts
Serrano, Blackstone, Bass Lake Hills, Carson Creek and Carson Creek Village, The Promontory, Kalithea, Watermark, Stonebriar, Hawk View, Creekside Greens, Heritage and Windsor Point are among the neighborhoods with a special tax. Older EDH — the pre-1993 tracts nearer the town center — generally carries none.
Who levies what
The El Dorado Hills Community Services District runs CFD 2018-01 (Bass Lake Hills) and CFD 2019-01 (District Master). The County runs Carson Creek CFD 2014-1 and Carson Creek Village No. 11 CFD 2024-1. Different agencies, different bills, and a parcel can sit inside more than one.
Cameron Park · Shingle Springs · Diamond Springs
Little to no CFD exposure. What you will see instead are county service areas, road maintenance districts, and — for many parcels — a Cameron Park CSD or fire district charge. Small dollars compared with an EDH special tax.
Placerville · Pollock Pines · South Lake Tahoe
Mello-Roos is rare to nonexistent. In these towns the variable cost that actually decides affordability is insurance, not a special tax — see the fire and insurance sections below.
How to check a specific parcel
Pull the parcel’s current secured tax bill by APN from the El Dorado County Tax Collector. Every special tax and assessment appears as its own fixed direct-charge line. This is the only definitive figure — nothing else counts.
For an El Dorado Hills address, call the County CFD information line at 800-676-7516 and check the El Dorado Hills CSD district pages; a parcel can sit in a county CFD, a CSD CFD, or both.
Buying new construction? California law requires the builder to give you a Notice of Special Tax before you sign if a CFD applies. Read the rate and method of apportionment — it tells you the maximum and whether it escalates annually.
Ask separately about the HOA. In EDH an HOA fee and a CFD special tax frequently coexist, and only one of them shows up on the tax bill.
Sources
Fire risk + insurance triggers
Over 60% of this county is mapped Very High
This is the section that matters most in El Dorado County, and there is no soft way to put it: more than 60% of the county is mapped Very High Fire Hazard Severity Zone, one of the highest shares of any county in California, and the Department of Insurance ranks it among the top ten counties statewide for structures at high wildfire risk. The Caldor Fire burned 221,835 acres and destroyed 1,003 structures in 2021. The King Fire took 97,717 acres in 2014, the Mosquito Fire 76,788 acres in 2022. Insurers price accordingly, and in the high country they have been withdrawing.
El Dorado Hills (valley side)
The western, lower-elevation part of EDH prices closest to the Sacramento suburbs. The eastern and southern edges toward Bass Lake and the ravines are a different conversation — the hazard line runs through the community, not around it.
Cameron Park · Shingle Springs · Diamond Springs
Oak woodland and grass with real interface. Carriers are still writing here, but defensible space and roof material change the quote materially.
Placerville and the Highway 50 corridor
Steep, wooded parcels immediately outside the city grid. Two houses a mile apart can be in different zones and different markets.
Pollock Pines · Camino · Grizzly Flats · Georgetown Divide
Timbered high country. Expect non-renewals, FAIR Plan reliance and premiums that in some cases exceed the property tax bill. Grizzly Flats was largely destroyed by the Caldor Fire.
South Lake Tahoe and the basin
The Caldor Fire reached the edge of the city and forced its evacuation in 2021. Insurance, TRPA rules and defensible-space requirements all bite here at once.
What triggers the CA FAIR Plan — and what it does not cover
Insurance ranges
Where insurance costs more than the tax bill
In the valley half of this county insurance is an ordinary line item. In the mountain half it is frequently the single largest variable cost of ownership — larger than the property tax bill, and unlike the tax bill it is not capped by Proposition 13 and can reprice every renewal. Two real reported cases make the point better than a range does.
Two real El Dorado County premiums
El Dorado Hills
95762
Standard admitted market for most of the community. Parcels on the wildland edge quote materially higher.
≈$1,600–$3,000/yr
Cameron Park · Shingle Springs · Diamond Springs
95682 · 95619
Still largely admitted-market, but roof age, defensible space and access road drive the number.
≈$2,000–$4,500/yr
Placerville and the Highway 50 corridor
95667
Older housing stock adds an underwriting problem of its own: knob-and-tube wiring, original panels and wood-shake roofs are declinable on their own.
≈$2,500–$6,000/yr
Pollock Pines · Camino · Grizzly Flats · Georgetown Divide
95726 · 95709 · 95636 · 95634
FAIR Plan territory. Price the FAIR Plan fire policy plus the DIC wrap together — the FAIR premium alone is not the cost of being insured.
≈$5,000–$12,000+/yr
South Lake Tahoe basin
96150 · 96142
Add snow-load and ice-dam considerations to the fire question, and check whether the policy contemplates seasonal or second-home occupancy.
≈$2,500–$6,000+/yr
The ranges above are dwelling- and zone-driven cohort estimates, not quotes. In this county more than any other we cover, get a real bound quote for the specific address before you remove contingencies — and get it early, because a decline can end the deal.
Well, septic + private roads
Water, septic and the costs that replace a utility bill
El Dorado County has roughly 32,500 registered private wells, about 26,800 of them active domestic wells — a scale of private water infrastructure that has no equivalent in the other counties we cover. By community the concentration runs roughly: Georgetown Divide about 5,200, Cameron Park and Shingle Springs about 4,800, the Placerville area about 4,200, Pollock Pines and Camino about 3,600, and El Dorado Hills about 2,900. On the piped side, the El Dorado Irrigation District serves the El Dorado Hills–Cameron Park–Placerville corridor in three rate zones, plus satellite systems at Outingdale and Strawberry, and runs recycled purple-pipe irrigation in El Dorado Hills. Which of those two worlds a parcel sits in changes the ownership math more than most buyers expect.
A well is a capital asset you now own
Pump, pressure tank, wiring and casing all have finite lives, and replacement is a four-figure to five-figure event with no landlord and no utility to call. A domestic well permit runs about $1,485 as of 2026 if you need a new one. Get a well yield and water-quality test in escrow, not after.
Septic has a setback and a lifespan
County rules require roughly a 100-foot separation between a septic system and a well, which quietly constrains what you can build or add later. Ask for the septic inspection, the pumping history and the location of the leach field.
EID is a district, and districts have zones
Being on EID does not mean one rate. Rates differ by zone, and connection or capacity fees on a new service are their own line. Recycled water for irrigation in EDH is cheaper than potable but comes with use rules.
Private roads are a shared liability
Many rural parcels are reached by a road no public agency maintains. A road maintenance agreement — and what it costs per year, including snow — should be read before you write the offer, not after.
Utility territory
PG&E in the foothills — and something worse in the Tahoe basin
Most of El Dorado County is PG&E territory, which already puts it at the expensive end of the region: about $290 a month at 750 kWh as of June 2026, roughly double SMUD across the county line in Sacramento. The Tahoe basin is a separate world. South Lake Tahoe is served by Liberty Utilities, not PG&E, at roughly 41–46¢ per kWh for residential permanent service — and the baseline discount does not apply to a home that is not your permanent residence, so a second-home buyer pays the higher of the two rates. Gas there is Southwest Gas, not PG&E; water is South Tahoe PUD or the private Lukins Water Company; and trash service through South Tahoe Refuse is mandatory.
SMUD (next county over, Sacramento)
$149/mo
Roseville Electric (Placer benchmark)
$156/mo
PG&E — most of El Dorado County
$290/mo
Liberty Utilities — South Lake Tahoe *
$330/mo
* The Liberty figure is computed at 750 kWh × ~44¢/kWh, the midpoint of its published residential permanent-service range, and is illustrative rather than a quoted bill. A non-permanent-residence rate runs higher still because the baseline allowance does not apply.
PG&E residential (Schedule E-1, eff. June 1, 2026): Tier 1 ≈ $0.326/kWh, Tier 2 ≈ $0.407/kWh, plus a fixed monthly Base Services Charge (~$24 standard) introduced March 2026. Above the natural-gas main — which is most of the county east of Placerville — heating is propane or wood, delivered and paid for by the tank, and a cold winter at 4,000 feet is not a Sacramento winter. In South Lake Tahoe, budget snow removal separately: a plow contract runs roughly $200–$500 per storm and a normal winter brings 15 to 20 of them, so $4,000–$8,000 a season is realistic on a long driveway, and exterior maintenance runs 20–30% above sea-level equivalents. TRPA also regulates land coverage, permits and even tree removal in the basin, and the city has not issued new vacation-home-rental permits in years — a buyer who wants to rent generally has to buy a property that already carries a transferable permit.
Sources
Want the real number for one specific home?
Paste any El Dorado County address into the live tool. It reads the parcel’s tax-rate area, fire-zone status, and utility territory, and shows the full monthly picture — every figure labeled with its source.
FAQ
El Dorado County hidden costs, answered
Why does El Dorado Hills cost so much more to own than the rest of the county?
Because it is the one place in El Dorado County where the tax line genuinely varies. The county median effective rate is about 1.08% and nearly every community sits between 1.04% and 1.09%. El Dorado Hills sits at about 1.18% at the median, 1.32% at the 75th percentile and 1.43% at the 90th — the widest spread in the county — and the reason is Mello-Roos. EDH also has the highest values, so the two effects compound: the median EDH annual bill is about $8,083 against a county median of about $4,531. The practical rule is that a post-1993 EDH tract very probably carries a CFD special tax and a pre-1993 one very probably does not, and the difference between those two houses can be thousands of dollars a year on an otherwise identical payment.
How much is Mello-Roos in El Dorado Hills?
It depends entirely on the district, and the number you have most likely been quoted is wrong. Real-estate sites often say Mello-Roos runs 0.5% to 1.5% of assessed value. It is not based on assessed value at all — that is precisely how a special tax sidesteps Proposition 13. Each community facilities district sets its own rate and method of apportionment, typically a fixed dollar amount driven by lot size, square footage or unit type, often escalating a set percentage each year. Districts you will encounter include Serrano, Blackstone, Bass Lake Hills, Carson Creek, The Promontory, Kalithea, Watermark, Stonebriar, Hawk View, Creekside Greens, Heritage and Windsor Point, levied variously by the El Dorado Hills CSD (CFD 2018-01 and CFD 2019-01) and by the County (Carson Creek CFD 2014-1, Carson Creek Village No. 11 CFD 2024-1). Pull the parcel’s tax bill, or call the County CFD line at 800-676-7516.
Can I actually get fire insurance in El Dorado County?
In El Dorado Hills, Cameron Park and Shingle Springs, generally yes, on the standard admitted market. Above roughly the 2,500-foot line it gets genuinely hard. More than 60% of the county is mapped Very High Fire Hazard Severity Zone and the Department of Insurance places it in the top ten counties statewide for structures at high wildfire risk. Real reported outcomes: a household between Pollock Pines and Kyburz went from a $4,488 FAIR Plan premium in 2019 to $12,127; a Camino resident pays over $5,000 a year for fire-only FAIR Plan coverage plus a separate Difference-in-Conditions policy. In those communities insurance can exceed the property tax bill, and unlike the tax bill it is not capped and can reprice at every renewal. Get a bound quote early in escrow — a decline can end the deal — and ask what SB 1060 mitigation credits and Zone 0 hardening would do to the number.
What is different about buying in South Lake Tahoe?
Almost every assumption from the foothills breaks in the basin. None of the usual utilities apply: electricity is Liberty Utilities at roughly 41–46¢ per kWh, and the baseline discount does not apply to a home that is not your permanent residence, so second-home buyers pay the higher rate. Gas is Southwest Gas, water is South Tahoe PUD or the private Lukins Water Company, and trash service through South Tahoe Refuse is mandatory. Then add the winter: snow removal at roughly $200–$500 per storm across 15 to 20 storms is $4,000–$8,000 a season on a long driveway, and exterior maintenance runs 20–30% higher than at sea level. TRPA regulates land coverage, permits and tree removal. And if the plan is to rent it out, note that the city has not issued new vacation-home-rental permits in years — you generally have to buy a property that already carries a transferable one. The tax rate, at about 1.08%, is the least interesting number in the whole analysis.
Do most El Dorado County homes have a well and septic?
A large share do. The county has roughly 32,500 registered private wells, about 26,800 of them active domestic wells — concentrated on the Georgetown Divide (~5,200), around Cameron Park and Shingle Springs (~4,800), near Placerville (~4,200), and in Pollock Pines and Camino (~3,600). The El Dorado Irrigation District serves the El Dorado Hills–Cameron Park–Placerville corridor in three rate zones plus satellite systems at Outingdale and Strawberry. If the parcel is on a well, you own the pump, the tank, the wiring and the casing, and replacement is a four- to five-figure event; a new domestic well permit runs about $1,485 as of 2026. Septic systems require roughly a 100-foot setback from a well, which can limit later additions. Test the well yield and water quality, get the septic inspected, and read any private-road maintenance agreement — including who pays to plow it — before you remove contingencies.
Is property tax in El Dorado County high?
No — and that is genuinely the good news in this county. The median effective rate is about 1.08%, below the California median near 1.21%, on a median home value of about $413,970 for a median annual bill near $4,531. Diamond Springs has the lowest median rate in the county at about 1.04%; Placerville and Shingle Springs sit near 1.06%. Where El Dorado costs more than a comparable Sacramento or Placer suburb, the cause is almost never the tax rate. It is insurance, a well and septic system, propane, snow, PG&E, and — if you are buying in newer El Dorado Hills — a Mello-Roos special tax.
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