Westlake Island is a distinct sub-area of Westlake Village. Westlake Island is the city's premier waterfront enclave: large single-family estates, many 4,000-8,000-plus square feet, with private dock access on the lake.

Direct AnswerWestlake Island is a neighborhood within Westlake Village, in Los Angeles County. Westlake Island is a man-made island in Lake Westlake at the center of the city. Westlake Island is the city's premier waterfront enclave: large single-family estates, many 4,000-8,000-plus square feet, with private dock access on the lake.
Information current as of June 2026 — verify current figures before relying on them.
Westlake Island market snapshot — mid-2026
MetricValue
Median home price$3.5M-$10M+ waterfront (research range; verify live)
Median days on marketPull live · verify current figure
CountyLos Angeles
ZIP codes91361
School districtthe Conejo Valley Unified (CVUSD) and/or Las Virgenes Unified (LVUSD) districts depending on the exact address - the boundary cuts through Westlake Village unpredictably; CVUSD schools include Westlake, White Oak, Sumac, and Lang Ranch Elementary, Colina Middle, and Westlake High, while LVUSD includes A.E. Wright Middle, Agoura High, and Calabasas High
Tax authorityLos Angeles County Assessor
Market figures reflect Brian's canonical site data (median, days on market, list-to-sale ratio, and year-over-year change), are approximate, and are time-sensitive; confirm current numbers via the live property search or contact Brian. Source: Los Angeles County Assessor, local MLS aggregate.

Where it sits and overview

Westlake Island is part of the Conejo Valley in Los Angeles County. Westlake Island is a man-made island in Lake Westlake at the center of the city. Westlake Island is the city's premier waterfront enclave: large single-family estates, many 4,000-8,000-plus square feet, with private dock access on the lake.

As a sub-area of Westlake Village, Westlake Island taxes and records are administered through the Los Angeles County Assessor and the Los Angeles County tax collector.

The Brian Cooper Real Estate Team serves the Conejo Valley from our Simi Valley headquarters; we do not maintain a local Conejo Valley office.

Home types and price context

Westlake Island is large waterfront estates with private docks - the city's top waterfront tier.

Neighborhood character

Westlake Island is the city's premier waterfront enclave: large single-family estates, many 4,000-8,000-plus square feet, with private dock access on the lake.

Schools

Westlake Island is served by the Conejo Valley Unified (CVUSD) and/or Las Virgenes Unified (LVUSD) districts depending on the exact address - the boundary cuts through Westlake Village unpredictably; CVUSD schools include Westlake, White Oak, Sumac, and Lang Ranch Elementary, Colina Middle, and Westlake High, while LVUSD includes A.E. Wright Middle, Agoura High, and Calabasas High. School attendance is assigned by the home's exact address, not by community name, and boundaries can change — always verify the assigned schools for a specific Westlake Island address with the district before relying on them.

Fire hazard and insurance

Westlake Island is largely flat and most of the community is not in a CAL FIRE Very High Fire Hazard Severity Zone, though you should always confirm a specific parcel on the CAL FIRE hazard map and obtain a homeowners insurance quote during your contingency period.

Mello-Roos and HOA

Most established Westlake Island homes do not carry Mello-Roos (CFD) special taxes, since the area predates the special-tax districts common in newer master-planned construction. Some newer tracts, gated communities, or condos may carry a CFD or HOA dues; verify the specific parcel's tax bill and any HOA before writing an offer.

Commute and access

Westlake Island is connected primarily by U.S. Route 101 (the Ventura Freeway). Drive times swing widely with the time of day, so the honest answer to “how long is the commute” is to test your specific route at the hour you would actually be driving it.

Buyer and seller considerations

For buyers

Before writing an offer in Westlake Island, request the preliminary title report and the property-tax bill so you can see any Mello-Roos special tax and HOA dues separately from the base 1% ad valorem rate. Two similar-looking homes can carry very different monthly costs.

  • Get pre-approved with payment scenarios that include any special tax, HOA, and realistic insurance — not just principal, interest, base tax, and a placeholder insurance figure.
  • Confirm the school attendance area for the exact address.
  • Where relevant, confirm wildfire-hazard-zone status and shop insurance early, before removing contingencies.

For sellers

Pricing in Westlake Island rewards accurate, current comparables and clean disclosure. Buyers are payment-sensitive at today's rates, so presenting transparent carrying costs up front reduces fall-out risk. See our seller guide and buyer guide.

A closer look at Westlake Island

Westlake Island is the city's premier waterfront enclave: large single-family estates, many 4,000-8,000-plus square feet, with private dock access on the lake. Buyers weigh Westlake Island's character and price tier against the rest of Westlake Village and nearby areas; Brian pulls the real comps, the assigned schools (by address), and the true monthly cost for any specific home.

Schools serving Westlake Island in depth

Westlake Island is served by the Conejo Valley Unified (CVUSD) and/or Las Virgenes Unified (LVUSD) districts depending on the exact address - the boundary cuts through Westlake Village unpredictably; CVUSD schools include Westlake, White Oak, Sumac, and Lang Ranch Elementary, Colina Middle, and Westlake High, while LVUSD includes A.E. Wright Middle, Agoura High, and Calabasas High. The most important point for buyers is that attendance is governed by address-based boundaries, not by community or street name — two homes a short distance apart can feed different schools, and districts periodically adjust boundaries as enrollment shifts. If a specific school is a deciding factor, confirm the exact attendance area for any address directly with the district before you write an offer, since the published map is the only authoritative source. Our overview links and the California School Dashboard are good starting points.

Getting around: commute and access from Westlake Island

Westlake Island's position shapes how residents reach the freeways and job centers. Most commuters funnel toward the nearest freeway via local arterials, then head toward their destination; drive times vary widely by time of day. Whatever your destination, verify your own route and timing before committing — a weekday-morning test drive is worth more than any general estimate.

Understanding property tax and special assessments in Westlake Island

California's base property-tax rate is roughly 1% of assessed value under Proposition 13, plus local voter-approved bonds, for a typical effective rate a little above 1%. Most established Westlake Island homes do not carry Mello-Roos (CFD) special taxes, since the area predates the special-tax districts common in newer master-planned construction. Some newer tracts, gated communities, or condos may carry a CFD or HOA dues; verify the specific parcel's tax bill and any HOA before writing an offer. The tax authority of record is the Los Angeles County Assessor; confirm any special assessment or HOA by reading the actual property-tax bill and preliminary title report for the specific parcel, since amounts are parcel-specific and can include scheduled escalations.

What buyers should know before making an offer in Westlake Island

Westlake Island rewards buyers who do their homework on carrying costs and hazard status before they fall in love with a floor plan.

  • Get pre-approved with payment scenarios that include any Mello-Roos special tax and HOA dues.
  • Request the preliminary title report and property-tax bill early, and read the special-tax line separately from the base 1% rate.
  • Check wildfire-hazard status where relevant and shop insurance before removing contingencies, not after.
  • In more rural pockets, confirm whether the home is on a private well or septic system rather than municipal service.

Our buyer guide and first-time buyer guide cover these steps in detail.

What sellers should know in Westlake Island

Pricing a Westlake Island home well starts with current, accurate comparables drawn from the right sub-area, since carrying-cost profiles differ across the community. Because today's buyers are payment-sensitive, the listings that move cleanly are the ones that present transparent costs up front. Clean, decluttered, well-photographed homes with proactive disclosure tend to attract stronger offers and fewer renegotiations. Our seller guide walks through prep, pricing, and timing.

Who Westlake Island tends to fit

Westlake Island fits luxury and waterfront buyers, including second-home owners, who want dock access and a lakefront-estate lifestyle.

Local lifestyle in Westlake Island

Westlake Island shares Westlake Village's lifestyle - Lake Westlake and the Westlake Yacht Club, the Promenade at Westlake, the Four Seasons Hotel Westlake Village, the Sherwood and North Ranch country clubs, and Boney Mountain trails. Day to day it offers the setting described above.

Frequently Asked Questions

What is Westlake Island?

Westlake Island is a man-made island in Lake Westlake at the center of Westlake Village, lined with large waterfront single-family estates that have private dock access.

What about boating and the Yacht Club on Westlake Island?

Lake Westlake supports paddleboarding and electric boats, and the Westlake Yacht Club is the local private club. Confirm dock-access rules, lake regulations, and any membership terms for a specific property.

What schools serve Westlake Island?

Westlake Island is served by the Conejo Valley Unified (CVUSD) and/or Las Virgenes Unified (LVUSD) districts depending on the exact address - the boundary cuts through Westlake Village unpredictably; CVUSD schools include Westlake, White Oak, Sumac, and Lang Ranch Elementary, Colina Middle, and Westlake High, while LVUSD includes A.E. Wright Middle, Agoura High, and Calabasas High. School attendance is assigned by the home's exact address, and boundaries can change - always verify the assigned schools for a specific Westlake Island address with the district before relying on them.

Is Westlake Island in a fire zone?

Westlake Island is largely flat and most of it is not in a CAL FIRE Very High Fire Hazard Severity Zone, but always confirm a specific parcel on the CAL FIRE map and obtain a homeowners insurance quote during your contingency period.

What is the median home price in Westlake Island?

As of mid-2026, Westlake Island runs approximately $3.5M-$10M+ waterfront. Because a sub-area is a small slice of the market, a single median is unreliable - pull a live, dated comp set for the specific home and street.

Does the Brian Cooper team have a Conejo Valley office?

No. The Brian Cooper Real Estate Team serves the Conejo Valley from our Simi Valley headquarters; we do not maintain a local office.

Primary sourcesLos Angeles County Assessor, California School Dashboard, CAL FIRE Hazard Severity Zones, California BOE Property Taxes, CAR.org. General information only — verify current figures and confirm legal, tax, or financial questions with a licensed professional.

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