Mill Valley Building Permits & Property Data

Heads up: The current Mill Valley records do not yet meet PermitGrab's source-published contractor coverage threshold. This page focuses on permit records and property data; market-level contractor data coverage isn't available for this city.

7,506 indexed permits · Mill Valley, California.

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Mill Valley building permits — key stats
Newest permit 2026-09-17

PermitGrab tracks 7,506 building permits in Mill Valley, CA as of 2026-09-17.

Recent record dates

Record recency is based on available filing or issue dates; it does not verify publication time or collection delay.

Newest permit date:

PermitGrab Pro is a $149/mo subscription for current municipal permit, property, and code-violation records. The current records do not meet the source-published contractor-coverage threshold. This page focuses on the permit and property signals it does publish. 14-day Pro trial below — choose your market first, then card required at checkout · cancel anytime before day 14.

Filter Mill Valley permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

Free weekly permit summary for Mill Valley

One email a week with the newest Mill Valley building permits — addresses, project details, and property activity where available. Free summary only — no credit card. Pro research tools require a separate 14-day trial with a card. Available fields vary by source. Unsubscribe anytime.

7,506
Indexed Permits
Contractor count unavailable
Property Owners · count unavailable
2026-09-19
Last Updated
Updated recently · 2026-09-17

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Published permit & code records

Permit data through 2026-09-17

7,506 permits sorted by date

⇄ Swipe or scroll to see address & contractor

Date Type Value Address Details Contractor / Status Save
2025-04-18 Solar $25,511 303 CAPE CT PV SOLAR 8.69KW DC, 11.5KW AC, (22) MODULES, (1) 13.5KWh ESS, NEW 125AMP Sub-Pan… 125A battery, solar New installation Battery storage
2025-04-18 General Construction $200,000 158 LINDEN LN (ADU 158A) New Det A D U; Deck & Steps
2025-04-18 General Construction $50,000 403 MARIN AVE Rear Concrete Ret Walls
2025-04-18 General Construction $1,000,000 403 MARIN AVE (ADU 403A) New S F D; Attached A D U; Garage; Decks; Ret Walls
2025-04-18 General Construction $100,000 403 MARIN AVE Driveway Ret Walls
2025-04-17 General Construction $3,500 236 MORNING SUN AVE Install EEC ecowater softener in crawlspace
2025-04-17 HVAC/Mech $500,000 145 CHAPEL DR Remodel Incl Windows/Doors, Kitchen, (N) Powder Rm, Primary Bathrm; Decks; (N) A…
2025-04-17 Windows/Doors $80,000 532 PINE CREST RD (ADU 532A) Convert Lower Story To (N) A D U; Add Windows/Doors; Main Unit Laundry Rm, H V A…
2025-04-17 General Construction $210,000 224 RICHARDSON DR Second Story Addition Over Garage
2025-04-16 Roofing $8,400 340 DURANT WAY Tear off sloped section of main roof to solid sheeting. Re-roof with Class A Lif… shingle tear off replacement Re-roof
2025-04-15 Solar $41,058 835 AUTUMN LN Install (22) roof mounted PV solar modules with (22) microinverters and (3) batt… solar Solar PV
2025-04-15 HVAC/Mech $23,000 528 MONTFORD AVE Removing 2 furnaces and 2 A/C's and replacing them with 2 Heat Pumps AC
2025-04-15 Windows/Doors $296,000 850 CHAMBERLAIN CT Remodel; Deck; Struct Windows/Doors; Skylights
2025-04-15 General Construction $330,000 1 DE SILVA ISLAND CT Extend Deck With Ret Wall; Outdoor Kitchen & Trellis
2025-04-15 Solar $5,000 170 MORNING SUN AVE Adding 1 Tesla Expansion pack battery 13.5kwh storage capacity to an existing so… 13.5 kWh battery battery solar Battery storage
2025-04-15 General Construction $207,000 1 DE SILVA ISLAND CT Remodel & Addition
2025-04-15 Electrical $3,500 63 SHELL RD Main Panel Upgrade, 320 Amp panel. 320A service panel Panel service
2025-04-14 Solar $80,759 746 ALTA VISTA RD New Rooftop flush mounted PV system with new battery storage, grid tied microinv… battery solar Battery storage
2025-04-14 General Construction $150,000 322 DEERTRAIL LN Replace Failing Car Deck
2025-04-14 HVAC/Mech $18,500 544 MARIN AVE Furnace and Ac replacement and. Remove all existing unites and dispose of it pro… AC, furnace, heat pump replacement HVAC replacement
2025-04-14 Solar $8,000 273 CLEVELAND AVE Replace 200 amp MSP with new solar ready 200 amp panel, replace sub panel in sam… 200A solar replacement
2025-04-14 Plumbing $3,200 237 CLEVELAND AVE Extending houseline gas plumbing to facilitate meter move
2025-04-12 Electrical $6,001 4 E LAVERNE LN 200a service upgrade in same location, update grounding and bonding, install a w… 200A 240V service panel New installation Panel service
2025-04-11 General Construction $3,000 265 RICARDO RD Replace old cast iron clean out with a new SDR-17 clean out tee.
2025-04-11 Windows/Doors $50,000 1039 ERICA RD Install James Hardie fiber cement siding to all exterior walls of home and garag… like for like replacement HVAC changeout
2025-04-11 Windows/Doors $19,129 86 MILLAND DR Replace 3 windows & 3 sliding patio doors, vinyl, WUI, nail fin install.
2025-04-11 HVAC/Mech $14,996 44 PLAZA DR Install 80 AFUE furnace in crawlspace, replace 5 ducts runs 80% AFUE furnace replacement HVAC replacement
2025-04-11 HVAC/Mech $15,715 405 MONTFORD AVE Replace combi boiler same location - install 120k BTU combi boiler in exterior c… replacement HVAC replacement
2025-04-10 Plumbing $3,648 1 VISTA DEL SOL Remove/replace gas water heater gas replacement Water heater
2025-04-10 Demolition $10,000 302 STARLING RD Interior Demo - No Structural - Remove All Finishes T.D. 4-10-25
2025-04-10 General Construction $50,000 30 HARBOR COVE WAY Remodel Kitchn & Bath; Conv W/H Closet; Convert Part Of House To J A D U
2025-04-10 General Construction $25,000 210 STANFORD AVE Voluntary Seismic Upgrade
2025-04-10 HVAC/Mech $15,692 166 HOMESTEAD BLVD R/R AC, COIL AC
2025-04-09 Structural $40,000 355 COUNTYVIEW DR Stair Connecting The Bedrm Lvl To Basement Storage Area; Build Storage Shed Unde…
2025-04-09 General Construction $86,000 306 HOLLY ST (ADU 306A) Addition & Remodel Of Part Of House To Create A D U
2025-04-09 Structural $28,690 232 RICARDO RD Non structural bath remodel
2025-04-09 Electrical $6,000 723 MARIN DR Replace current 100 amp panel with new 200 amp to add EV circuit. Run new EV cir… 100A replacement
2025-04-09 Solar $5,000 61 WASHINGTON PARK AVE Install GE back up battery system, no solar. battery solar Battery storage
2025-04-09 Battery Storage $14,000 46 TOPSIDE WAY Install 2 battery backups battery Battery storage
2025-04-08 Roofing $36,000 359 RICHARDSON WAY Remove old roof and install new roof New installation New roof
2025-04-08 General Construction $5,000 841 MARIN DR Install new MSP 100 AMP, new ground and bond. 100A New installation
2025-04-08 Demolition $50,000 153 RICHARDSON DR Demo (E) Residence Including Decks, Shed
2025-04-08 Electrical $4,000 38 STRAWBERRY CIR Upgrade 100 amp service to 200 amp service 100A
2025-04-08 HVAC/Mech $10,471 403 WELLESLEY CT Replace gas furnace in crawlspace with new 96% 2 stage 60k btu upflow furnace. L… furnace like for like replacement HVAC changeout
2025-04-07 Structural $27,200 917 S VERNAL AVE Foundation Repair Using 11 Push Piers, New Foundation Retaining Wall
2025-04-07 Roofing $22,200 556 ALTA WAY REMOVE AND REPLCE CLASS A COMP SHINGLE ROOF. shingle
2025-04-07 Solar $26,420 355 STARLING RD Install roof mount solar panels at 13.12 kW and 1 battery. 13.12 kW battery solar Battery storage
2025-04-06 Roofing $28,345 52 SHELL RD REMOVE AND REPLACE CLASS A COMP SHINGLE ROOF. shingle replacement
2025-04-04 General Construction $19,500 303 BRISTOL PL Replace bathroom fixtures in kind. Replace existing floor and wall tile. Replace…
2025-04-04 HVAC/Mech $7,490 111 SEMINARY DR Replacement of furnace with like furnace tying into existing gas, electric and f… replacement
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Construction Activity in Mill Valley

New building permits in Mill Valley, California show where construction activity is occurring. Filter the public records by trade, date, address, and project value to research active projects and property activity. Contractor lead coverage is not currently available for this city.

About Mill Valley Building Permits

Mill Valley, California processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 7506+ Mill Valley building permits — newest permit date: 2026-09-18 from official city sources.

Each record can show the project address, scope, permit type, and value where the city publishes them. The source-published contractor records do not meet the coverage threshold for this city. PermitGrab does not represent this as contractor-contact coverage. Where property-owner records are available, they are matched to permit addresses separately.

How to use Mill Valley permit data

Filter the current records by trade, date, address, or project value to research construction activity. The most useful workflow in this market is verifying the project signal first, then using the property data that is actually available for that address.

PermitGrab methodology · Page data current as of · Source: Marin County Building Permits - Mill Valley.

Who appears in Mill Valley permit records?

PermitGrab indexes 7,506 building permits in Mill Valley. New records appear as they are available from the source.

How fresh is Mill Valley permit data?

The most recent permit indexed for Mill Valley is dated 2026-09-17. Newest permit date: 2026-09-18. Permit records carry filing date, address, project value, and permit type, plus contractor name where the source publishes it. Use a recent published record for project research; it does not show bid availability or a request for service.

What construction appears in Mill Valley permit records?

Mill Valley permit activity covers 7,506 indexed permits. The records can cover new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, or tenant improvements. Their usefulness for a contractor or supplier depends on the published project details, timing, and service area.

How to look up Mill Valley building permits

Search recent Mill Valley, CA building permits by address, and permit type in the table above — pulled from the Mill Valley building department's public permit records. New filings appear here as they are published. Filter by trade or search an address to look up a specific permit. For this week's filing volume, see the Mill Valley Permit Pulse.

Nearby California Cities — explore building permits in other California cities

Monitor Mill Valley permit & property activity

Email alerts when new public records are available for new permits and property activity. Source-published contractor coverage is not currently available for this city. Owner information is shown only where it can be matched from available public records.

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Frequently Asked Questions about Mill Valley Building Permits

How many building permits does PermitGrab track in Mill Valley?

PermitGrab currently tracks 7506 building permits in Mill Valley, California. Data is pulled directly from the official municipal source on every collection cycle and includes permit number, address, permit type, status, estimated value, and contractor information where the source publishes it.

How fresh is the Mill Valley permit data?

PermitGrab checks the official source on each collection cycle. The source date and its observed update cadence are shown above, so you can judge the data’s recency before acting on it.

How can contractors find construction leads in Mill Valley?

Contractors can research Mill Valley activity by filtering current permits by trade, location, and project type. Source-published contractor coverage is not currently available for this city. Property information is shown only where public records can be matched.

What’s included in the 14-day trial?

The 14-day trial includes full Pro access to Mill Valley — CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. Source-published contractor coverage is not currently available for this city. Property information is available only where public records can be matched. Card required to start; cancel anytime before day 14.

Can I cancel anytime?

Yes. Cancel any time from your account page — no contracts, no cancellation fees. Your subscription stays active through the end of the current billing period.

Who buys this data?

Mill Valley permit data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

Home service companies
An addition or remodel can be useful project context for HVAC, plumbing, or warranty outreach. Review the project signal before outreach.
Solar installers
Roof permits and electrical upgrades in Mill Valley provide project context for solar-market research. Filter by the current project signal and verify ownership separately.
Insurance agents
Mill Valley renovations can identify properties for a policy-review workflow. Confirm coverage needs independently before contacting a property owner.
Material suppliers & manufacturer reps
Choose a product-line research workflow, then use published job type, description, and value fields where available for territory and demand research. A permit is not a materials order, purchase signal, or open bid.
Developers & new construction
Sort source-published new-construction records by project value and type to research active projects and property activity.
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Comparing permit-data tools? See BuildZoom vs Shovels vs PermitGrab (2026) — how to compare market coverage, source freshness, and available record fields.

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