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

Marin County property record for 171 Great Circle Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	7 bd · 5 ba · 4,922 sqft · built 1998
Lot Size	0.312 acres (13,600 sqft)
Owner	2 Company Names on Record
Last Sale	$3,300,000 (Apr 2015)
Tax Bill	$48,329 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Feb 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`043-103-11`

Property Details

APN / Parcel Number

Primary APN	`043-103-11`

Interior

Bedrooms	7 Beds
Full Baths	5 Baths
Building Area	4,922 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1999
Lot Area	13,600 sqft (0.312 acres)
Garage Area	524 sqft
Parking Spaces	2 Parking Spaces
Deck Area	746 sqft
Patio Area	746 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	171 GREAT CIRCLE DR
City	MILL VALLEY
State	CA
Zip	94941-3267
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	HARBOR POINT B
Legal Lot Number	68
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1003
Census Tract	125000

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Company Names on Record
Mailing Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Jan 7, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Feb 10, 2021	Deed of Trust, Mortgage · Commercial Mortgage QUICKEN LOANS LLC
Oct 14, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 17, 2015 · Amount on Record
Deed Sale	Apr 17, 2015 · Amount on Record
Deed Document Number	201517658
Last Transfer Date	Oct 6, 2021
Transfer Doc	0000062968
Record Updated	Sep 20, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267
Transaction Type	Mortgage
Record Updated	Jul 21, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267

Mortgage

Document Number	0000001226
Date	Jan 7, 2021
Instrument	2021-0001226

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.85%
Type Change Date	Jan 1, 2028
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.85%
Index	1-Year CMT
Max Rate	7.85%

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267
Transaction Type	Mortgage
Record Updated	Jul 21, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267

Mortgage

Document Number	0000009567
Date	Feb 10, 2021
Instrument	2021-0009567

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

October 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Oct 14, 2021
Property Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267
Document Number	0000062968
Map Reference	VOL 13 PG 18
Instrument Date	Oct 6, 2021
Instrument	2021-0062968
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	AMROCK INC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	171 GREAT CIRCLE DR, MILL VALLEY, CA 94941-3267

Mortgage

Document Number	0000062969
Date	Oct 14, 2021
Instrument	2021-0062969

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	351 Months
Due	Jan 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.85%
Type Change Date	Jan 1, 2028
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.85%
Index	1-Year LIBOR
Max Rate	7.85%

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		$4,045,271 (+2%) Land $2,427,163 Building $1,618,108
2025	$48,329.00 (+5.21%) Homeowner's exemption	$3,965,972 (+4.04%) Land $2,379,583 Building $1,586,389
2023	$45,934.00 (+3.63%) Homeowner's exemption	$3,811,995 Land $2,287,197 Building $1,524,798
2022	$44,323.00

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
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 99.8% of the US · lower than 99.8% 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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