Richardson Way, Mill Valley, CA Property Records

Marin County property records for 28 addresses on Richardson Way, Mill Valley, CA · Last verified August 2026

Richardson Way Highlights

Properties 28
Median Sale Price $1,560,000
Deeds and Mortgages on File 44
Median Price per Sqft $762
Owner Occupied 86%
Median Annual Tax Bill $16,823
Median Year Built 1956
Median Ownership Tenure 12 years

Properties on Richardson Way

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

300 Richardson Way

2 bd · 2 ba · 1,720 sqft · built 1964 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Oct 1989 $10,1952025 —Jul 2024 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

302 Richardson Way

3 bd · 2 ba · 1,544 sqft · built 1964 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2342025 —Mar 2012 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

304 Richardson Way

3 bd · 1 ba · 1,468 sqft · built 1963 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,120,000Jul 2025 $5,2452025 —Jun 2017 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

323 Richardson Way

4 bd · 4 ba · 2,910 sqft · built 1995 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000May 2024 $20,0492025 Amount on Record Nov 1995 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

325 Richardson Way

4 bd · 2 ba · 2,660 sqft · built 1936 · 0.257 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000May 2024 $21,5792025 —Aug 2023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

327 Richardson Way

3 bd · 2 ba · 1,695 sqft · built 1953 · 0.202 acres

Last Sale Tax Bill Prior Sale Owner Records
$843,000Aug 2014 $22,1222025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

329 Richardson Way

2 bd · 1 ba · 1,069 sqft · built 1940 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,560,000Jul 2025 $23,8932025 Amount on Record May 2024 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

330 Richardson Way

3 bd · 2 ba · 1,610 sqft · built 1925 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$755,000Jun 2003 $16,8232025 Amount on Record Jul 1999 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

331 Richardson Way

3 bd · 3 ba · 1,667 sqft · built 1935 · 0.459 acres

Last Sale Tax Bill Prior Sale Owner Records
$202,000Feb 2026 $27,9812025 Amount on Record Jan 2025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

333 Richardson Way

3 bd · 1.5 ba · 1,674 sqft · built 1940 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,887,000Feb 2026 $5,4122025 Amount on Record Jul 2025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

337 Richardson Way

3 bd · 1.5 ba · 1,850 sqft · built 1953 · 0.293 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,9952025 —Jun 2003 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

339 Richardson Way

3 bd · 2 ba · 1,643 sqft · built 1959 · 0.312 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,150,000Mar 2007 $20,5482025 Amount on Record Mar 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

349 Richardson Way

4 bd · 3 ba · 3,065 sqft · built 1945 · 0.689 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,393,000Jun 2014 $29,5332025 Amount on Record Jul 1997 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

356 Richardson Way

4 bd · 2.5 ba · 1,944 sqft · built 1965 · 0.328 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,000Mar 1998 $14,9572025 —Oct 1994 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

359 Richardson Way

5 bd · 4 ba · 4,433 sqft · built 1990 · 1.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,500,000Mar 2025 $43,6452025 Amount on Record Aug 2021 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

360 Richardson Way

3 bd · 2 ba · 1,888 sqft · built 1954 · 0.55 acres

Last Sale Tax Bill Prior Sale Owner Records
$27,9592025 —Sep 2022 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

362 Richardson Way

2 bd · 1 ba · 1,054 sqft · built 1946 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Mar 2005 $11,8672025 2 Names on Record AssessorUpdated Jul 2026

364 Richardson Way

4 bd · 2 ba · 1,988 sqft · built 1954 · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1990 $9,9342025 1 Name on Record AssessorUpdated Jul 2026

366 Richardson Way

4 bd · 2 ba · 2,458 sqft · built 1955 · 0.29 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1987 $7,4122025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

368 Richardson Way

3 bd · 2.5 ba · 2,189 sqft · built 1979 · 0.297 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Jan 2006 $24,8622025 Amount on Record Apr 2005 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

369 Richardson Way

4 bd · 2.5 ba · 2,611 sqft · built 1956 · 1.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,2432025 2 Names on Record AssessorUpdated Jul 2026

370 Richardson Way

5 bd · 4 ba · 3,276 sqft · built 1956 · 0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,640,000Aug 2005 $31,6152025 Amount on Record May 2003 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

372 Richardson Way

5 bd · 2 ba · 2,208 sqft · built 1956 · 0.257 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,550,000Jul 2019 $28,6622025 —Mar 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

376 Richardson Way

4 bd · 2 ba · 2,367 sqft · built 1957 · 0.275 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,3842025 —Apr 1999 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

380 Richardson Way

4 bd · 3 ba · 2,507 sqft · built 1956 · 0.282 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,675,000Jan 2021 $26,4572025 Amount on Record Aug 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

386 Richardson Way

5 bd · 3 ba · 3,100 sqft · built 1962 · 0.401 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,6822025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

389 Richardson Way

4 bd · 4 ba · 4,536 sqft · built 1985 · 1.37 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,9562025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

392 Richardson Way

5 bd · 2 ba · 2,376 sqft · built 1962 · 0.629 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,0052025 —Sep 2011 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

Wildfire Risk on Richardson Way

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskModerate
this street's cells rank above 43% of the US · above 25% of California
Wildfire LikelihoodAbout 1 in 1,183 per year
ExposureDirect
1 of 2 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets