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San Mateo, California · Project encyclopedia

Projects in San Mateo, California.

Find upcoming development and work underway. Every project keeps a permanent source-backed article and full history.

7 upcoming3 underway2 completed

Owner records reviewed 31 Oct 2026. Curated collection, not exhaustive.

Latest documented evidence

Selected dated project-owner milestones; this is not a live feed or confirmation that work happened today.

Find current projects

Search 10 curated current project records, or open the historical archive.

10 current projects

Upcoming and preconstruction

7 selected projects

Planned, reviewed, approved or tendered. Forecast dates are not evidence that construction started.

Parks & public realm · Planned / design / bid stage; construction not independently established

Shoreview Skate Plaza Improvements

Upgrade aging skate plaza as CIP 610038 with user-informed improvements; bidding forecast does not prove a works contract.

April 2026 completed construction documents: San Mateo says design documents are ready and the project was expected to bid in summer 2026.

Source evidence reviewed

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Roads & mobility · Planned / design / bid stage; construction not independently established

17th Avenue and El Camino Real Intersection Safety

Implement targeted crossing signal changes and later Caltrans turn protection subject to traffic-model review.

13–14 April 2026 city–Caltrans design meetings: City and Caltrans discussed exclusive pedestrian signal phases and protected left-turn options; modeling review remained open.

Source evidence reviewed

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Roads & mobility · Planned / design / bid stage; construction not independently established

Delaware and State Street Crossing Safety Improvements

Shorten crossings by more than half, introduce pedestrian beacons and future ADA-curb upgrades; actual installation confirmation outstanding.

2026 municipal safety-design programme: City sets out RRFBs, paint-and-post crossing reduction, lighting and later concrete curb extensions as distinct work stages.

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Roads & mobility · Planned / design / bid stage; construction not independently established

Peninsula Avenue and Delaware Street Intersection Improvements

Design protected turn signals, visibility and crossing changes, new curb ramps and sidewalk repairs.

2026 city Local Roadway Safety Plan priority list: City classifies this as design-stage Tier 1 intersection safety work ranked seventh in the city's priority study.

Source evidence reviewed

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Roads & mobility · Planned / design / bid stage; construction not independently established

19th Avenue and Fashion Island Boulevard Multimodal Improvements

Improve multimodal travel and bicycle connectivity, signals and roadway operations; park-and-ride mobility hub is not part of current scope.

April 2026 city detailed-design meetings: City held April 2026 public meetings showing refined engineering options and confirmed the separate mobility hub is excluded.

Source evidence reviewed

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Roads & mobility · Planned / design / bid stage; construction not independently established

28th Avenue Hillsdale Caltrain Bicycle Access Gap Closure

Plan Class IV separated and Class II bike facilities across El Camino Real with unresolved parking design tradeoffs.

2026 city concept-design register: City continues to publish alternatives for a separated bikeway and crossing access toward the Caltrain station.

Source evidence reviewed

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Rail & transit · Planned / design / bid stage; construction not independently established

San Mateo Train Quiet Zone Safety Programme

Identify railway crossing upgrades to improve vehicle, pedestrian and cycling safety before any train-horn quiet-zone designation.

2026 city transportation capital programme: City lists quiet-zone rail crossing safety design; no Federal Railroad Administration establishment or final delivery confirmed.

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Documented construction

3 selected projects

Works that project owners identify as under construction; not a live on-site report.

Roads & mobility · Works reported in official city programme; final acceptance not established

Bermuda Drive Bridge Replacement

Replace the structurally aging bridge while retaining a crossing for vehicles and pedestrians, coordinating utilities and pile installation.

April 2026 Phase 1 construction window: City scheduled bridge replacement in two stages, with west-side works April–October 2026 and east-side works April 2027–July 2028.

Source evidence reviewed

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Parks & public realm · Works reported in official city programme; final acceptance not established

Central Park Playground Renovation

Replace play equipment and associated park paths and amenities; the city's 18–24-month duration is an estimate, not a completion certificate.

2 June 2025 construction commencement: City confirms the park renovation contract was awarded 17 March 2025 and physical construction began 2 June 2025.

Source evidence reviewed

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Roads & mobility · Works reported in official city programme; final acceptance not established

Delaware Street Safe Routes to School Bicycle Corridor

Build protected bicycle lanes from Bermuda to 28th and a bike boulevard southward, plus crossings, refuge island and signal changes.

April 2026 site progress report: City reports completed curb-ramp and median works in spring, with paving, signals and protected bicycle lanes scheduled as a later phase.

Source evidence reviewed

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Completed projects remain accessible

Historical project records are preserved for research without crowding the current-project funnel.

San Mateo historical archive · 2 records

Verified openings and completions, with original evidence and permanent articles.

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Public, original-source-backed development and capital improvement projects in San Mateo, California, separated by current, future and completed status. Confidence percentages are editorial, not calibrated. Project pages distinguish source dates, forecast dates and research checks.