Caltrans District 4 projects — San Francisco Bay Area
District 4 is run from Oakland and covers Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, Sonoma counties. 4 contracts are out to bid right now. Tower DVBE quotes the materials for any of them, and drop-shipped supply counts toward state DVBE goals.
Out to bid in District 4
- 04-3Y7104 — Mod Sig & Ltg, Pvmt repair, SW, curb ramp, Segmental Conc Ret System.Son-12-35.7/36.1bids open 2026-11-05
- 04-0AA214 — RHMA (Gap Graded), cold plane AC Pvmt, HFST, Mod signals & lighting.CC-123-0.0/2.2bids open 2026-11-10
- 04-4Q3214 — Replace bridge & culverts, HMA, RHMA, Mod lighting & erosion control.Mrn-37-R11.4/13.5bids open 2026-11-10
- 04-1Q76U4 — Replace bridge, widen Rdwy, railroad, drainage, Elect and landscape.Son-37, 121-3.7/4.9, 0.0/0.2bids open 2026-11-18
Recent District 4 contracts
Bid item lists stay available after award — useful for change orders and similar upcoming work.
- 04-3AA504 — Construct retaining wall, MGS, cold plane & Pvmt widening.Mrn-1-5.1bid 2026-10-07
- 04-2W6604 — Construct pedestrian and bike lane, curb ramps and lighting systems.CC-80-0.2DVBE goal · bid 2026-09-23
- 04-0W0504 — Trash capture devices, MVPs, MGS, erosion control, and Mod lighting.Ala,CC-4,13, 24, 80, 84, etc.-Varbid 2026-09-17
- 04-0W1404 — Replace bridge fender system and skirt modification.SF-80-5.7R/7.7Rbid 2026-09-16
- 04-0W0604 — Install trash capture devices, construct maintenance vehicle pullouts.SCl-85, 101, 880-Varbid 2026-09-01
- 04-0Q8004 — Install drainage systems and Pvmt delineation, construct driveway.Nap-121-6.9, 12.1DVBE goal · bid 2026-08-27
- 04-2W3704 — Install anchored double twisted wire mesh system and erosion control.Nap-29-42.6DVBE goal · bid 2026-08-25
- 04-1W7104 — Pavement repair, drainage, MGS, Mod lighting systems and TMS.Ala-680-M0.4/M1.0bid 2026-08-18
- 04-1Y0004 — Construct Conc barrier & MGS, install striping and signing.SOL-80-1.0/R28.0bid 2026-08-18
- 04-3X6904 — Cold plane AC, place HMA, repair culvert and drainage system.SCl-101-31.7, 38.1DVBE goal · bid 2026-06-04
- 04-2X7604 — Cold plane AC Pvmt., & RHMA (gap graded) (bonded wearing course).SF-35-0.0/2.0DVBE goal · bid 2026-06-03
- 04-2X8104 — Cold plane asphalt concrete pavement and place HMA (Type A).Son-116-22.0/27.9DVBE goal · bid 2026-05-28
Supplying San Francisco Bay Area jobs
We drop-ship safety, traffic control, MRO and jobsite supplies to yards and jobsites across District 4. Primes on non-federal-aid contracts get full DVBE participation credit for our supply (Construction Manual 8-405A); on federal-aid jobs with a DBE goal we're glad to quote, but the spend doesn't count toward DBE.