148 Great Circle Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 148 Great Circle Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 5 ba · 5,019 sqft · built 1977
Lot Size	0.547 acres (23,808 sqft)
Owner	2 Company Names on Record
Last Sale	$2,815,000 (Nov 2005)
Tax Bill	$49,235 (2025)
Deeds & Mortgages	Mar 2022 Line of Credit Nov 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`043-123-09`

Property Details

APN / Parcel Number

Primary APN	`043-123-09`

Interior

Bedrooms	4 Beds
Full Baths	5 Baths
Total Rooms	11 Rooms
Building Area	5,019 sqft Living Area
Basement Area	673 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1977
Effective Year Built	Effective 2003
Architectural Style	Contemporary
Lot Area	23,808 sqft (0.547 acres)
Garage Area	734 sqft
Parking Spaces	3 Parking Spaces
Pool Area	336 sqft
Deck Area	544 sqft
Patio Area	1,225 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	148 GREAT CIRCLE DR
City	MILL VALLEY
State	CA
Zip	94941-3208
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP J7 606
Legal Subdivision	HARBOR HILL
Legal Lot Number	56
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1002
Census Tract	125000

Owner

Source: Marin County records, as of July 13, 2026

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

Owner of Record	2 Company Names on Record
Mailing Address	148 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3208
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 17, 2022	Deed of Trust, Mortgage · Line of Credit US BANK NA
Nov 18, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 30, 2005 · Amount on Record
Deed Sale	Nov 30, 2005 · Amount on Record
Prior Sale	Apr 1, 1999 · Amount on Record
Deed Document Number	200590693
Last Transfer Date	Aug 29, 2007
Transfer Doc	0000054848
Record Updated	Sep 20, 2026

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	148 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3208
Transaction Type	Mortgage
Record Updated	Mar 30, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	148 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3208

Mortgage

Document Number	0000010257
Date	Mar 17, 2022
Instrument	2022-0010257

Lender

Name	US BANK NA
Type	Bank
Address	MILL VALLEY, CA 94941

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	148 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3208
Transaction Type	Mortgage
Record Updated	Dec 1, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	148 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3208

Mortgage

Document Number	0000069167
Date	Nov 18, 2021
Instrument	2021-0069167

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Dec 1, 2028
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	7.87%
Index	Other
Max Rate	7.87%

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Elementary School District	Mill Valley Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$4,126,671 (+2%) Land $2,090,670 Building $2,036,001
2025	$49,235.00 (+5.21%) Homeowner's exemption	$4,045,782 (+4.04%) Land $2,049,690 Building $1,996,092
2023	$46,796.00 (+3.66%) Homeowner's exemption	$3,888,714 Land $1,970,115 Building $1,918,599
2022	$45,144.00

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 Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 29 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	81 units insured incl. 52 condo units
Nearby Flood Claims	24 (1978–2014)
Claims Outside the SFHA	2 of 24
Most Recent Claim	Dec 2014 · rainfall accumulation
Claims by Event	Severe Winter Storms And Flooding, Mar 1998 · 3 claims Coastal Storms, Floods, Slides & Tornadoes, Feb 1983 · 4 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 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 Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002
Water Source	Surface water
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2019–2021) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 185 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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