20 Cecily Ln, Mill Valley, CA 94941 Property Records

Marin County property record for 20 Cecily Ln, Mill Valley, CA 94941

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,779 sqft · built 1988
Lot Size0.266 acres (11,564 sqft)
Owner2 Company Names on Record
Last Sale$1,635,000 (Jul 2005)
Tax Bill$29,567 (2025)
Deeds & MortgagesFeb 2026 Transfer
Flood ZoneZone X (minimal risk)
APN047-046-14

Property Details

APN / Parcel Number

Primary APN047-046-14
Alternative APN
  • 04704602

Interior

Bedrooms4 Beds
Full Baths3 Baths
Building Area2,779 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleContemporary
Lot Area11,564 sqft (0.266 acres)
Garage Area736 sqft
Parking Spaces3 Parking Spaces
Deck Area961 sqft
Patio Area961 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address20 CECILY LN
CityMILL VALLEY
StateCA
Zip94941-3300
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMAP 20 PG 7 LOT 2
Legal SubdivisionTAMALPAIS VIEW ESTATES
Legal Lot Number1
JurisdictionMARIN CA
Township / Civil DivisionSOUTHEAST MARIN
Census Block Group2
Census Block2000
Census Tract128200

Owner

Source: Marin County records, as of August 6, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address20 CECILY LN, MILL VALLEY, CA 94941-3300
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 13, 2005 · Amount on Record
Deed SaleJul 13, 2005 · Amount on Record
Deed Document Number200552014
Last Transfer DateNov 15, 2022
Transfer Doc0000003819
Record UpdatedOct 29, 2026

February 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionMARIN CA
Recording DateFeb 19, 2026
Property Address20 CECILY LN, MILL VALLEY, CA 94941-3300
Document Number0000003819
Map ReferenceVOL 20 PG 7
Instrument DateNov 15, 2022
Instrument2026-0003819
Transaction TypeTransfer
Record UpdatedMar 4, 2026

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Revocable Trust
Address20 CECILY LN, MILL VALLEY, CA 94941-3300

Tax Assessment & Valuation

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
Elementary School DistrictMill Valley Elementary School District (KG - 08)
Secondary School DistrictTamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$2,278,831 (+2%) Land $1,581,941 Building $696,890
2025$29,567.00 (+5.54%)$2,234,163 (+4.04%) Land $1,550,933 Building $683,230
2023$28,016.00 (+3.88%)$2,147,426 Land $1,490,721 Building $656,705
2022$26,970.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 17 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies17 in force
Nearby Flood Claims9 (1982–2017)
Claims Outside the SFHA7 of 9
Most Recent ClaimJan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event
  • Severe Winter Storms And Flooding, Feb 1998 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 65% of the US · lower than 79% of California
Wildfire Likelihood0.03% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMARIN MUNICIPAL WATER DISTRICT
serves 188,116 people · EPA ID CA2110002
Water SourceSurface water
Last State InspectionAug 2023
LeadUnder 1 ppb (2019–2021)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 351 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250

May also be available: T-Mobile, Unwired, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Cecily Ln

Nearby Streets

Search Property Records by Address or Parcel Number