Spire Architecture | SpireBuilt
Construction company in Mill Valley, CA 94941
About this company
Spire Architecture | SpireBuilt is listed as a construction company at 433 Wellesley Ave in Mill Valley, California, in Marin County. It is one of 32 general contractors in ZIP 94941.
Other construction companies nearby
Hill Design Services336 Shoreline Hwy, Mill Valley
0.5 mi(415) 383-8604
Harte Building & Design Inc180 Almonte Blvd, Mill Valley
0.7 mi(415) 381-6068
Shapiro Associates391 Miller Ave Ste 100, Mill Valley
1.0 mi(415) 388-4757
Steven Allen Construction100 Shoreline Hwy, Mill Valley
1.2 mi(707) 236-5509
Nestadu100 Shoreline Hwy, Mill Valley
1.2 mi(888) 637-8238
Housing market around ZIP 94941
Figures describe the local area, not this company.
Typical home value$2,181,000+10.2% past year · +53% in 10 years
Typical rent$4,715+10.1% past year
12-month value outlook+2.5%
New homes permitted, 2025149Marin County
Days to sale agreement16San Francisco metro · 22 a year ago
Listings with a price cut21.2%San Francisco metro
Sale price vs list106.1%San Francisco metro
New construction sales91San Francisco metro, Aug · −32% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Marin County permitted 149 new homes in 2025. 7% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.