237 Round Hill Rd, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 237 Round Hill Rd, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.5 ba · 4,171 sqft · built 1964
Lot Size	0.386 acres (16,800 sqft)
Owner	2 Company Names on Record
Tax Bill	$22,336 (2025)
Deeds & Mortgages	May 2021 Second Mortgage May 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-201-01`

Property Details

APN / Parcel Number

Primary APN	`039-201-01`

Interior

Bedrooms	4 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	1 Story
Building Area	4,171 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1975
Architectural Style	Contemporary
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	16,800 sqft (0.386 acres)
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Pool Area	476 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	237 ROUND HILL RD
City	BELVEDERE TIBURON
State	CA
Zip	94920-1519
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 12 PG 49 LOT 1
Legal Subdivision	SMITHRIDGE ESTATES
Legal Lot Number	1
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1001
Census Tract	124200

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	237 ROUND HILL RD, BELVEDERE TIBURON, CA 94920-1519
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
May 25, 2021	Deed of Trust, Mortgage · Stand-Alone Second Mortgage WELLS FARGO BANK NA
May 25, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
May 1, 2017	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
May 1, 2017	Deed of Trust, Mortgage · ARM WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jan 12, 2005
Transfer Doc	0000004142
Record Updated	Sep 20, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	237 ROUND HILL RD, TIBURON, CA 94920-1519
Transaction Type	Mortgage
Record Updated	Jun 9, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000034631
Date	May 25, 2021
Instrument	2021-0034631

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	PORTLAND, OR 97208

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	237 ROUND HILL RD, TIBURON, CA 94920-1519
Transaction Type	Mortgage
Record Updated	Jun 9, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	237 ROUND HILL RD, TIBURON, CA 94920-1519

Mortgage

Document Number	0000034630
Date	May 25, 2021
Instrument	2021-0034630

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	2.37%
Type Change Date	Jun 1, 2028
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	4.37%
Index	Other
Max Rate	7.37%

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	237 ROUND HILL RD, TIBURON, CA 94920-1519
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000017533
Date	May 1, 2017
Instrument	2017-0017533

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	May 25, 2047

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	237 ROUND HILL RD, TIBURON, CA 94920-1519
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000017532
Date	May 1, 2017
Instrument	2017-0017532

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.12%
Type Change Date	May 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.12%
Index	1-Year LIBOR
Max Rate	8.12%

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Tiburon Town
Elementary School District	Reed Union 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		$1,866,111 (+2%) Land $909,131 Building $956,980
2025	$22,336.00 (+7.29%) Homeowner's exemption	$1,829,529 (+4.04%) Land $891,309 Building $938,220
2023	$20,819.00 (+2.73%) Homeowner's exemption	$1,758,490 Land $856,700 Building $901,790
2022	$20,266.00

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
Nearby Flood Policies	6 in force

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 131 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
T-Mobile Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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