Billy DeMartini Real Estate Agent - Earth Real Estate

Billy DeMartini listing agent for 845 N Humboldt St Unit 210, San Mateo, CA - sold for $535,000 — Sold $535,000

For Rent $2,750/month - listed by Billy DeMartini — For Rent $2,750/month

Section Image — For Rent $2,750/month

Billy DeMartini

Earth Real Estate

2 Closed Sales

$1.1M Total Value

$535K - $550K Price Range

$542.5K Average Price

Prior 5 years

About Billy

Home Types: Condo

Years of Experience: 18

Transaction History

1 Year
2 Year

Seller Deals
Total Deals	1
Total Value	$535,000
Average Sale Price	$535,000

Seller Deals
Total Deals	2
Total Value	$1,085,000
Average Sale Price	$542,500
Price Range	$535K - $550K

Areas Billy is Experienced In

North Central

2 Sales
San Mateo

2 Sales

Billy's Listings and Deals

Billy's Active Listings

$2,750 per month
- 2 Beds
- 7 Baths
- 500 Sq Ft
Clean, turnkey, furnished two-bedroom, one-bath apartment in an unbeatable location directly across from San Jose State University. The apartment includes beds, select furnishings, an in-unit washer and dryer, and an eat-in kitchen and dining area.Tenant pays PG&E, internet, and $30 per month, per occupant, for water. Trash service is included. Parking may be available for an additional

Billy DeMartini Earth Real Estate

Recently Sold

$535,000

Sold Sep 10, 2026
- 1 Bed
- 1 Bath
- 693 Sq Ft
845 N Humboldt St

Unit 210

San Mateo, CA
- 2% Above List
- 13 Days On Market
- $772/SF
- Current Est. Value $521K
Billy DeMartini Earth Real Estate

$550,000

Sold Jun 9, 2025
- 1 Bed
- 1 Bath
- 772 Sq Ft
904 Peninsula Ave

Unit 409

San Mateo, CA
- 5% Above List
- 14 Days On Market
- $712/SF
- Current Est. Value $575K
Billy DeMartini Earth Real Estate

Agent License: 01485300 California 01485300

Frequently Asked Questions

Who is Billy DeMartini, and what is their real estate background?

How many homes has Billy DeMartini sold in San Mateo, CA?

What areas does Billy DeMartini serve?

How can I contact Billy DeMartini?

Billy DeMartini

(650) 753-8686

Earth Real Estate

(650) 753-8686

Nearby Homes