Montford Ave, Mill Valley, CA Property Records

Marin County property records for 91 addresses on Montford Ave, Mill Valley, CA · Last verified October 2026

Montford Ave Highlights

Properties 91
Median Sale Price $2,525,000
Deeds and Mortgages on File 157
Median Price per Sqft $1,166
Owner Occupied 80%
Median Annual Tax Bill $19,171
Median Year Built 1959
Median Ownership Tenure 12 years

Properties on Montford Ave

Address Details Last Sale Tax Bill Records Owner

12 Montford Ave

2,728 sqft built 1945 · 0.149 acres $1,500,000 May 2021 $21,672 2025 Assessor + 4 Documents Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

15 Montford Ave

2,560 sqft built 1956 · 0.185 acres $8,869 2025 Assessor Updated Jul 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

16 Montford Ave

2 bd · 1 ba · 924 sqft built 1934 · 0.149 acres $905,000 Nov 2017 $15,195 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

20 Montford Ave

3,323 sqft built 1937 · 0.284 acres $1,115,000 Feb 2008 $23,312 2025 Assessor + 4 Documents Updated Sep 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

23 Montford Ave

4 bd · 2 ba · 2,602 sqft built 1906 · 0.289 acres $9,162 2025 Assessor + 3 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

25 Montford Ave

4 bd · 1 ba · 1,696 sqft built 1909 · 0.144 acres $1,500,000 Mar 2024 $21,075 2025 Assessor + 4 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

26 Montford Ave

3 bd · 1 ba · 1,610 sqft built 1950 · 0.107 acres $299,500 Jan 2005 $14,337 2025 Assessor Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

27 Montford Ave

3 bd · 2 ba · 1,742 sqft built 1995 · 0.165 acres $650,000 Aug 2014 $13,157 2025 Assessor + 3 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

28 Montford Ave

4 bd · 2.5 ba · 2,009 sqft built 2007 · 0.12 acres $1,795,000 Apr 2013 $28,897 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

57 Montford Ave

5 bd · 3.5 ba · 3,100 sqft built 1981 · 0.255 acres $2,175,000 Nov 2014 $37,802 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

59 Montford Ave

5 bd · 4.5 ba · 2,860 sqft built 1905 · 0.211 acres $1,475,000 Oct 2011 $28,839 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

70 Montford Ave

2 bd · 1 ba · 1,065 sqft built 1955 · 0.104 acres $5,925 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

73 Montford Ave

4 bd · 2 ba · 1,715 sqft built 1949 · 0.268 acres $855,000 Oct 2009 $16,875 2025 Assessor Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

76 Montford Ave

3 bd · 2 ba · 1,523 sqft built 1954 · 0.185 acres $1,200,000 Jun 2017 $19,947 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

77 Montford Ave

3 bd · 2 ba · 1,904 sqft built 1964 · 0.172 acres $1,260,000 Aug 2016 $20,727 2025 Assessor + 4 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

80 Montford Ave

4 bd · 4 ba · 2,568 sqft built 1930 · 0.118 acres $469,000 Sep 1999 $19,701 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

81 Montford Ave

4 bd · 4.5 ba · 3,084 sqft built 1945 · 0.197 acres $5,900,000 Apr 2025 $53,679 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

83 Montford Ave

3 bd · 3 ba · 1,768 sqft built 1947 · 0.131 acres $1,375,000 Mar 2015 $23,111 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

87 Montford Ave

2 bd · 1 ba · 966 sqft built 1921 · 0.306 acres $2,000,000 Apr 2025 $11,309 2025 Assessor + 3 Documents Updated Aug 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

88 Montford Ave

0.121 acres $3,466 2025 Assessor Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

91 Montford Ave

3 bd · 2.5 ba · 3,118 sqft built 1920 · 0.241 acres $12,828 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

93 Montford Ave

2 bd · 1 ba · 1,043 sqft built 1917 · 0.206 acres — Jul 2004 $5,474 2025 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

96 Montford Ave

4 bd · 2 ba · 1,728 sqft built 1951 · 0.121 acres $5,809 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

99 Montford Ave

5 bd · 5 ba · 3,848 sqft built 2010 · 0.3 acres $3,350,000 Jul 2013 $55,216 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

104 Montford Ave

5 bd · 4 ba · 2,505 sqft built 1937 · 0.173 acres $3,125,000 Sep 2022 $40,809 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

105 Montford Ave

2 bd · 2 ba · 1,750 sqft built 1910 · 0.277 acres $2,525,000 Mar 2024 $33,616 2025 Assessor + 1 Document Updated Aug 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

107 Montford Ave

1 bd · 1 ba · 768 sqft built 1919 · 0.282 acres $1,525,000 Jul 2022 $23,560 2025 Assessor + 3 Documents Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

109 Montford Ave

3 bd · 2 ba · 2,226 sqft built 1936 · 0.334 acres $9,249 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

110 Montford Ave

1 bd · 1 ba · 648 sqft built 1958 · 0.048 acres $890,000 Oct 2021 $13,205 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

111 Montford Ave

4 bd · 3 ba · 2,918 sqft built 1969 · 0.214 acres $1,126,000 Oct 2010 $20,626 2025 Assessor + 1 Document Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

116 Montford Ave

4 bd · 4 ba · 3,428 sqft built 2000 · 0.21 acres $4,000,000 Sep 2024 $49,586 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

125 Montford Ave

0.179 acres $5,331 2025 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

127 Montford Ave

3 bd · 2.5 ba · 2,250 sqft built 1954 · 0.241 acres $755,000 May 1998 $15,901 2025 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

129 Montford Ave

3 bd · 2.5 ba · 2,629 sqft built 1937 · 0.157 acres $2,005,000 May 2014 $33,306 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

260 Montford Ave

3 bd · 2.5 ba · 1,901 sqft built 1940 · 0.179 acres $925,000 Apr 2010 $18,549 2025 Assessor Updated Oct 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

300 Montford Ave

4 bd · 3 ba · 2,672 sqft built 1951 · 0.199 acres $3,300,000 Jul 2015 $48,229 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

302 Montford Ave

3 bd · 3 ba · 3,168 sqft built 2007 · 0.253 acres $800,000 Dec 2005 $27,929 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

303 Montford Ave

4 bd · 2 ba · 2,243 sqft built 1966 · 0.213 acres $538,000 Oct 1997 $14,508 2025 Assessor + 4 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

304 Montford Ave

5 bd · 4.5 ba · 4,166 sqft built 2002 · 0.201 acres $1,590,000 Mar 2023 $61,745 2025 Assessor + 4 Documents Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

305 Montford Ave

27,241 sqft 2.13 acres Assessor + 1 Document Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

306 Montford Ave

3 bd · 3 ba · 2,118 sqft built 1956 · 0.162 acres $196,500 Jan 1997 $15,429 2025 Assessor + 2 Documents Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

312 Montford Ave

4 bd · 3 ba · 3,615 sqft built 1940 · 0.349 acres $12,410 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

315 Montford Ave

1.13 acres — Feb 1976 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

318 Montford Ave

4 bd · 3.5 ba · 2,901 sqft built 1971 · 0.188 acres $1,375,000 Jan 2013 $25,755 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

320 Montford Ave

3 bd · 3 ba · 2,583 sqft built 1971 · 0.191 acres $2,881,500 Jun 2026 $26,103 2025 Assessor + 7 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

324 Montford Ave

3 bd · 2.5 ba · 2,275 sqft built 1970 · 0.186 acres $3,175,000 Mar 2025 $4,712 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

326 Montford Ave

4 bd · 3.5 ba · 2,466 sqft built 1970 · 0.179 acres $12,490 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

328 Montford Ave

3 bd · 2.5 ba · 2,050 sqft built 1969 · 0.178 acres $1,005,000 Jun 2012 $19,374 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

330 Montford Ave

4 bd · 3.5 ba · 2,787 sqft built 1930 · 0.39 acres $6,919 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

332 Montford Ave

3 bd · 3 ba · 2,669 sqft built 1969 · 0.242 acres $1,280,000 Nov 2014 $24,683 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

334 Montford Ave

4 bd · 3 ba · 2,745 sqft built 1969 · 0.237 acres $6,868 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

337 Montford Ave

4 bd · 4.5 ba · 3,844 sqft built 1963 · 0.276 acres $1,850,000 Jul 2003 $34,545 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

340 Montford Ave

3 bd · 2.5 ba · 2,478 sqft built 1985 · 0.554 acres $4,200,000 May 2023 $55,924 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

341 Montford Ave

3 bd · 3 ba · 1,461 sqft built 1959 · 0.173 acres $1,998,000 Jul 2015 $3,481 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

343 Montford Ave

4 bd · 3 ba · 3,312 sqft built 1922 · 0.29 acres $2,050,000 May 2020 $31,836 2025 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

345 Montford Ave

4 bd · 3.5 ba · 2,895 sqft built 1957 · 0.275 acres $1,500,000 May 2016 $36,079 2025 Assessor + 3 Documents Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

351 Montford Ave

4 bd · 2 ba · 1,560 sqft built 1947 · 0.34 acres — Mar 1977 $6,260 2025 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

353 Montford Ave

5 bd · 4.5 ba · 4,023 sqft built 2007 · 0.485 acres $3,000,000 Nov 2009 $48,578 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

355 Montford Ave

1 bd · 1 ba · 988 sqft built 1955 · 0.258 acres $369,000 Apr 2017 $18,432 2025 Assessor + 4 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

357 Montford Ave

5 bd · 3.5 ba · 2,204 sqft built 1939 · 0.391 acres $10,377 2025 Assessor Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

359 Montford Ave

5 bd · 2 ba · 1,447 sqft built 1930 · 0.2 acres $2,550,000 Jun 2026 $20,162 2025 Assessor + 4 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

361 Montford Ave

2 bd · 2 ba · 1,081 sqft built 1957 · 0.22 acres $6,686 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

370 Montford Ave

1.04 acres — Mar 1975 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

401 Montford Ave

5 bd · 2.5 ba · 2,477 sqft built 1906 · 0.186 acres $790,000 Jan 1999 $17,166 2025 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

405 Montford Ave

4 bd · 3 ba · 2,620 sqft built 1909 · 0.372 acres $370,000 Nov 1997 $14,871 2025 Assessor + 1 Document Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

407 Montford Ave

5 bd · 4.5 ba · 2,428 sqft built 1963 · 0.29 acres $830,000 Aug 2003 $17,636 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409 Montford Ave

4 bd · 3.5 ba · 3,204 sqft built 2015 · 0.315 acres $5,700,000 Feb 2026 $48,361 2025 Assessor + 4 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

411 Montford Ave

4 bd · 3.5 ba · 3,367 sqft built 1954 · 0.418 acres $3,345,000 Apr 2021 $45,181 2025 Assessor + 3 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

419 Montford Ave

2 bd · 2 ba · 1,551 sqft built 1965 · 0.196 acres $1,300,000 Dec 2023 $19,171 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

421 Montford Ave

3 bd · 3 ba · 1,629 sqft built 1965 · 0.252 acres $1,250,000 Dec 2018 $19,959 2025 Assessor + 5 Documents Updated Oct 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

423 Montford Ave

3 bd · 2.5 ba · 2,141 sqft built 1964 · 0.275 acres — Jan 1990 $12,629 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

425 Montford Ave

2 bd · 2 ba · 1,682 sqft built 1963 · 0.275 acres $809,000 Oct 2025 $11,744 2025 Assessor + 1 Document Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

427 Montford Ave

3 bd · 2 ba · 2,009 sqft built 1966 · 0.356 acres $975,000 Jun 2001 $19,274 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

431 Montford Ave

4 bd · 3 ba · 3,199 sqft built 1995 · 0.37 acres $1,849,000 Jan 2021 $26,967 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

435 Montford Ave

4 bd · 3 ba · 3,156 sqft built 1996 · 0.287 acres $696,000 Nov 1996 $15,020 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

437 Montford Ave

4 bd · 3 ba · 3,096 sqft built 1995 · 0.315 acres — Dec 2002 $24,802 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

439 Montford Ave

4 bd · 3 ba · 3,038 sqft built 1995 · 0.338 acres $2,000,000 Oct 2014 $31,390 2025 Assessor + 1 Document Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

443 Montford Ave

4 bd · 3 ba · 2,877 sqft built 1995 · 0.3 acres $1,690,000 Mar 2013 $27,826 2025 Assessor Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

517 Montford Ave

4 bd · 2.5 ba · 2,213 sqft built 1964 · 0.243 acres $9,827 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

519 Montford Ave

4 bd · 3 ba · 2,437 sqft built 1966 · 0.448 acres $2,110,000 Apr 2019 $30,869 2025 Assessor + 6 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

521 Montford Ave

2 bd · 2 ba · 1,290 sqft built 1962 · 0.278 acres $18,750 Oct 2018 $5,147 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

528 Montford Ave

4 bd · 3 ba · 3,207 sqft built 1999 · 0.474 acres $3,750,000 Sep 2026 $41,084 2025 Assessor + 4 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

540 Montford Ave

built 1920 · 1.19 acres $29,654 2025 Assessor Updated Sep 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

543 Montford Ave

4 bd · 4 ba · 3,213 sqft built 1910 · 0.671 acres $3,300,000 May 2026 $8,597 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

546 Montford Ave

2 bd · 1 ba · 848 sqft built 1969 · 0.388 acres $550,000 Aug 2011 $11,966 2025 Assessor Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

548 Montford Ave

2 bd · 1 ba · 849 sqft built 1969 · 0.397 acres $391,500 Feb 2011 $9,908 2025 Assessor Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

550 Montford Ave

3 bd · 2 ba · 1,921 sqft built 1969 · 0.242 acres $525,000 Nov 2010 $13,668 2025 Assessor + 3 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

552 Montford Ave

3 bd · 2 ba · 1,609 sqft built 1975 · 0.333 acres $17,500 Jul 2026 $19,070 2025 Assessor + 4 Documents Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

554 Montford Ave

2 bd · 1 ba · 878 sqft built 1964 · 0.178 acres $532,500 Sep 2009 $12,001 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

556 Montford Ave

2 bd · 1 ba · 956 sqft built 1965 · 0.178 acres $1,050,000 May 2021 $21,234 2025 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

568 Montford Ave

3 bd · 2 ba · 2,198 sqft built 1930 · 2.28 acres $6,998 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied

Property Records in Nearby Streets