# Chelsea Ialeggio > RARE Properties Northern California is a boutique, founder-led residential brokerage focused on high-touch seller and buyer representation in Marin County, with selective listings in San Francisco and Sonoma; it leverages brokerage partnerships for concierge services and distribution. Boutique luxury marketing, Marin & N. Bay focus, founder-led, narrative-driven listings, off-market expertise, high-touch concierge, proven multimillion sales, developer partnerships ## Agent Bios - [Natalia Colmenero, Real Estate Agent | SF & Marin](https://rarepropertiesnortherncalifornia.com/agent/natalia-colmenero): Agent profile for Natalia Colmenero, a residential specialist serving San Francisco and Marin County. - [Marni Phippen](https://rarepropertiesnortherncalifornia.com/agent/marni-phippen): Bay Area real estate agent Marni Phippen is profiled with her finance background, neighborhood expertise, and contact details. - [Dorsi Bonner, Real Estate Agent in Marin County, CA](https://rarepropertiesnortherncalifornia.com/agent/dorsi-bonner): Profile of Marin native Dorsi Bonner, a Sausalito-based real estate agent with hospitality roots and community board service. - [Jake Minkoff](https://rarepropertiesnortherncalifornia.com/agent/jake-minkoff): Agent profile for Jake Minkoff, a Marin County luxury real estate salesperson with development and custom homebuilding experience. - [Chelsea E. Ialeggio: Your Go-To Real Estate Broker Associate](https://rarepropertiesnortherncalifornia.com/agent/chelsea-e-ialeggio): Bay Area real estate broker Chelsea E. Ialeggio is profiled with contact details, bio, and client testimonials. - [Linda Koehler | Meet the Team Services Manager Today](https://rarepropertiesnortherncalifornia.com/agent/linda-koehler): Directory page for Linda Koehler, an agent with RARE Properties Northern California. ## Neighborhood Guides - [San Anselmo Real Estate - Discover Your Dream Home](https://rarepropertiesnortherncalifornia.com/neighborhoods/san-anselmo): San Anselmo neighborhood listing page showing active and pending homes for sale. - [Sausalito Real Estate Listings | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/sausalito): Directory page for Sausalito real estate listings and neighborhood insights. - [San Francisco Real Estate | Neighborhood Guide](https://rarepropertiesnortherncalifornia.com/neighborhoods/san-francisco): Directory page for San Francisco real estate listings and a neighborhood guide. - [West Marin Real Estate Guide | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/west-marin): West Marin neighborhood real estate page listing current homes for sale, pending, and under-contract properties in Novato, California. - [Corte Madera Real Estate Listings | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/corte-madera): Corte Madera real estate listings page with active and pending home inventory. - [Stinson Beach Real Estate | Luxury Coastal Homes for Sale](https://rarepropertiesnortherncalifornia.com/neighborhoods/stinson-beach): Stinson Beach real estate listings page for coastal homes in Stinson Beach, California. - [Fairfax | Neighborhood Guide | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/fairfax): A Fairfax neighborhood listing page showing active and pending residential properties in Fairfax, California. - [Greenbrae | Neighborhood Guide | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/greenbrae): Greenbrae neighborhood real estate listings page showing current properties in Greenbrae and nearby Kentfield, California. - [Novato | Neighborhood Guide | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/novato): Novato neighborhood real estate listings show current homes for sale in Novato, California. - [Tiburon Real Estate | Luxury Homes & Neighborhoods](https://rarepropertiesnortherncalifornia.com/neighborhoods/tiburon): A Tiburon neighborhood listings page for luxury homes and properties in Tiburon, California. - [Explore Larkspur Real Estate - Luxury Homes Await](https://rarepropertiesnortherncalifornia.com/neighborhoods/larkspur): A Larkspur, California neighborhood listings page featuring active, pending, and under-contract homes. - [San Rafael | Neighborhood Guide | Chelsea E. Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods/san-rafael): San Rafael neighborhood real-estate listing page with active and pending homes for sale. - [Kentfield Homes for Sale | Explore Luxury Listings](https://rarepropertiesnortherncalifornia.com/neighborhoods/kentfield): Kentfield real estate listing page with active and pending homes for sale in Kentfield and nearby Greenbrae, California. - [Marin County Real Estate | RARE Properties Listings](https://rarepropertiesnortherncalifornia.com/neighborhoods/marin): Marin County real estate listing page featuring luxury homes for sale and one lease across Sausalito, Belvedere, Tiburon, Kentfield, and Inverness. - [Belvedere Real Estate - Discover Luxury Living Today](https://rarepropertiesnortherncalifornia.com/neighborhoods/belvedere): Belvedere neighborhood listing page for luxury homes and estates in Belvedere, CA. - [Ross Homes for Sale | Explore Luxury Homes in Ross](https://rarepropertiesnortherncalifornia.com/neighborhoods/ross): Ross, CA neighborhood listings with active and pending homes for sale. - [Mill Valley Homes for Sale | Explore the Neighborhood](https://rarepropertiesnortherncalifornia.com/neighborhoods/mill-valley): Mill Valley, CA neighborhood listing page for current residential properties. ## Featured Properties - [30 De Silva Island Dr](https://rarepropertiesnortherncalifornia.com/properties/30-de-silva-island-dr-mill-valley-ca-94941-325092599): Listing for a 3-bed, 3-bath condo on De Silva Island in Mill Valley, CA with scenic bay views. - [Recently Sold Properties | Chelsea Ialeggio CA Real Estate](https://rarepropertiesnortherncalifornia.com/properties/sold): Listing of recently sold luxury residential properties across Northern California including Marin County and San Francisco. - [Featured Properties for Sale | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/properties/sale): Active luxury residential listings across Marin County towns including Mill Valley, Tiburon, Sausalito, San Rafael. ## Buyer Guides - [Homebuyer's Guide in California | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/buyers-guide): A California homebuyer's guide outlining budgeting, prequalification, house hunting, financing, and closing steps. ## Seller Guides - [Sell Your Home - Expert Advice | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/sellers): Northern California seller's guide outlining pricing, preparation, marketing, offer review, and closing steps. ## Tools - [Home Valuation - Property Estimates | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/home-valuation): A real estate landing page for a free home valuation in Northern California. - [Mortgage Calculator | Estimate Your Payment Online](https://rarepropertiesnortherncalifornia.com/mortgage-calculator): A mortgage calculator page for estimating monthly payments with taxes, insurance, HOA dues, and PMI. ## Featured Blog Posts - [Pre-Sale Improvements in Larkspur with Top ROI for Sellers](https://rarepropertiesnortherncalifornia.com/blog/pre-sale-improvements-that-pay-in-larkspur): A Larkspur seller guide outlines high-ROI pre-sale updates, staging, permits, and a six-week prep timeline. - [Hillside Decks in Marin County: Design, Drainage, Permits, and Durability](https://rarepropertiesnortherncalifornia.com/blog/hillside-decks-in-marin-design-drainage-and-durability): Marin blog post on hillside deck design, drainage, permits, materials, and wildfire-resistant detailing for sloped lots. - [What Not to Do During Escrow: 3 Costly Buyer Mistakes](https://rarepropertiesnortherncalifornia.com/blog/3-things-a-buyer-should-never-do-during-escrow): A Marin County real-estate blog post outlines three buyer mistakes to avoid during escrow. - [Selling Your Home in Fairfax, CA | Expert How-To Guide](https://rarepropertiesnortherncalifornia.com/blog/the-ultimate-guide-to-selling-your-home-in-fairfax-ca): A Fairfax, CA home-selling guide covers preparation, pricing, marketing, negotiations, inspections, closing costs, and moving out. - [Technology Changing the Homebuying Process in Sausalito, CA](https://rarepropertiesnortherncalifornia.com/blog/how-technology-is-changing-the-homebuying-process-in-sausalito-ca): A Sausalito real-estate blog explains how virtual tours, digital signing, analytics, and smart-home tech are streamlining local homebuying. - [West Marin Coastal Permit Guide: Stinson, Bolinas, Pt Reyes](https://rarepropertiesnortherncalifornia.com/blog/coastal-permits-101-for-stinson-bolinas-and-point-reyes): A West Marin real estate guide explains coastal permitting for Stinson Beach, Bolinas, and Point Reyes residential projects. - [A Charming Retreat at 821 Sir Francis Drake Blvd, Kentfield](https://rarepropertiesnortherncalifornia.com/blog/a-charming-retreat-at-821-sir-francis-drake-blvd-kentfield): A refreshed 3-bedroom, 2-bath Kentfield home at 821 Sir Francis Drake Blvd is listed for $1.295 million. - [Marin vs San Francisco Luxury Living: How to Choose](https://rarepropertiesnortherncalifornia.com/blog/choosing-between-marin-and-san-francisco-luxury-living): Comparison guide for Bay Area luxury buyers weighing Marin versus San Francisco homes, commutes, schools, risks, and total ownership costs. - [Jumbo Loans Marin County: What Savvy Buyers Should Know](https://rarepropertiesnortherncalifornia.com/blog/jumbo-loans-in-marin-county-what-buyers-should-know): Guide to jumbo loans in Marin County, explaining qualification, lender expectations, appraisals, and financing strategies for local buyers. - [Preparing an Estate Home for Market in Ross](https://rarepropertiesnortherncalifornia.com/blog/preparing-an-estate-home-for-market-in-ross): Guide to preparing an estate home for market in Ross, with advice on staging, wildfire readiness, compliance, and presentation. - [Explore the Best Coffee Spots in Tiburon, CA](https://rarepropertiesnortherncalifornia.com/blog/where-to-find-the-best-coffee-shops-in-tiburon-ca): A Tiburon coffee-shop roundup highlights Caffe Acri, Jane/Marin, and Peet's Coffee. - [Essential Guide to Buying a Home in Mill Valley, CA](https://rarepropertiesnortherncalifornia.com/blog/your-guide-to-buying-a-home-in-mill-valley-ca): A guide to buying a home in Mill Valley, California, covering budgeting, pre-approval, neighborhoods, offers, inspections, and closing. - [Indoor-Outdoor Living Design Tips for Kentfield Homes](https://rarepropertiesnortherncalifornia.com/blog/designing-effortless-indoor-outdoor-living-in-kentfield-homes): A Kentfield real-estate guide to seamless indoor-outdoor design, covering climate, fire safety, planting choices, and permit considerations. - [A Homebuyer's Guide to Living in Corte Madera, CA](https://rarepropertiesnortherncalifornia.com/blog/a-homebuyers-guide-to-living-in-corte-madera): A Corte Madera homebuyer's guide covering neighborhoods, housing types, commute options, schools, and local risk checks. - [Buying a Stinson Beach Retreat: What to Know First](https://rarepropertiesnortherncalifornia.com/blog/buying-a-stinson-beach-retreat-what-to-know-before-you-commit): A Marin County guide explains Stinson Beach buying risks, from STR licensing and flood maps to septic, shoreline armoring, and salt-air maintenance. - [Shadow Inventory Buyers and Sellers: Fall/Winter Strategy](https://rarepropertiesnortherncalifornia.com/blog/shadow-inventory-buyers-and-sellers): A Northern California real estate blog post outlines shadow inventory opportunities for buyers and quiet marketing tactics for sellers in fall and winter. - [Everyday Life on the Sausalito Waterfront: Local Guide](https://rarepropertiesnortherncalifornia.com/blog/everyday-life-on-the-sausalito-waterfront): A lifestyle guide to daily life on Sausalito's waterfront, covering commute, walkability, marinas, outdoor access, and housing. - [Sustainable Landscaping Upgrades Marin County Homes](https://rarepropertiesnortherncalifornia.com/blog/sustainable-landscaping-upgrades-that-boost-home-value): A Marin County real-estate blog outlines sustainable landscaping upgrades that can improve curb appeal, save water, and support long-term home value. - [Sausalito Houseboats Buying Guide: Essentials to Know](https://rarepropertiesnortherncalifornia.com/blog/buying-a-sausalito-houseboat-the-essentials): Guide to buying a Sausalito houseboat, covering ownership classification, slip leases, inspections, financing, insurance, and local regulations. - [Hidden Gems in San Francisco, CA to Discover](https://rarepropertiesnortherncalifornia.com/blog/hidden-gems-in-san-francisco-ca-you-need-to-discover): A San Francisco guide catalogs landmarks, museums, waterfront attractions, and historic sites for visitors and homebuyers. - [Tiburon Neighborhood Guide for Home Buyers](https://rarepropertiesnortherncalifornia.com/blog/a-buyers-overview-of-tiburons-distinct-neighborhoods): Buyer-focused guide to Tiburon neighborhoods, comparing downtown, East Tiburon, ridge areas, and Paradise Cay by access, terrain, and waterfront tradeoffs. - [Living in San Anselmo CA: What Buyers Should Know Now](https://rarepropertiesnortherncalifornia.com/blog/what-its-like-to-live-in-san-anselmo): A Marin real-estate guide to daily life in San Anselmo, covering housing, downtown, parks, schools, and commuting. - [Mill Valley Redwoods Retreat: Is It Right for You?](https://rarepropertiesnortherncalifornia.com/blog/is-a-redwoods-retreat-in-mill-valley-right-for-you): A buyer's guide to Mill Valley redwoods retreats, balancing scenic trail access with wildfire, landslide, access, and inspection concerns. - [Belvedere Luxury Real Estate Trends: Buyer Demand Now?](https://rarepropertiesnortherncalifornia.com/blog/belvedere-luxury-market-trends-and-buyer-demand): A Belvedere market guide explains demand drivers, pricing tiers, waterfront premiums, and buyer-seller tactics in this Marin luxury enclave. - [Smart Home Features for Modern Living | Explore Ideas](https://rarepropertiesnortherncalifornia.com/blog/innovative-smart-home-features-for-modern-living): Blog post on smart home features for modern living, from lighting and climate control to security, appliances, and connected automation. - [Larkspur CA Real Estate Market Snapshot & Insights](https://rarepropertiesnortherncalifornia.com/blog/larkspur-luxury-market-snapshot-and-what-it-means-for-you): A Larkspur luxury market snapshot says inventory is tight, prices are elevated, and well-prepared homes still sell quickly. - [Corte Madera Neighborhoods Comparison: Which Fits You?](https://rarepropertiesnortherncalifornia.com/blog/comparing-corte-madera-neighborhoods-for-your-next-home): A Corte Madera homebuying guide comparing hillside, central, and bayside neighborhoods, with notes on access, flood, and wildfire risks. - [Selling Your San Francisco Home to Move to Marin](https://rarepropertiesnortherncalifornia.com/blog/selling-your-san-francisco-home-to-move-to-marin): Guide to selling in San Francisco and buying in Marin, focused on timing, taxes, net proceeds, and move coordination. - [Belvedere Waterfront Home Selling: Time Your Sale](https://rarepropertiesnortherncalifornia.com/blog/selling-a-waterfront-home-in-belvedere-strategy-and-timing): Guide to pricing, timing, disclosures, and marketing for selling a waterfront home in Belvedere. - [Price View Homes Tiburon: Seller Guide for Better Pricing](https://rarepropertiesnortherncalifornia.com/blog/pricing-view-homes-right-in-tiburon): Guide to pricing Tiburon view homes with comparables, view ratings, and microclimate adjustments. - [Strategic Tips for Selling a Sausalito View Home](https://rarepropertiesnortherncalifornia.com/blog/strategic-tips-for-selling-a-sausalito-view-home): A real-estate guide on marketing a Sausalito view home with staging, photography, and local buyer considerations. - [Buying Historic Homes in San Rafael: Charm or Ease?](https://rarepropertiesnortherncalifornia.com/blog/historic-charm-or-modern-ease-choosing-a-home-in-san-rafael): San Rafael homebuying guide compares historic charm with modern ease, citing preservation rules, permits, and energy considerations. - [Seasonal Living in Stinson Beach: What to Expect](https://rarepropertiesnortherncalifornia.com/blog/seasonal-living-in-stinson-beach-what-to-expect): A Stinson Beach guide to seasonal coastal living, covering weather, access, maintenance, outdoor access, and ownership tradeoffs. - [Relocating From San Francisco to Larkspur Guide](https://rarepropertiesnortherncalifornia.com/blog/relocating-from-san-francisco-to-larkspur): A relocation guide comparing Larkspur's lifestyle, commuting options, neighborhoods, errands, and outdoor access with San Francisco. - [Mill Valley Summer 2026 Downtown Guide | What's New?](https://rarepropertiesnortherncalifornia.com/blog/whats-new-downtown-a-mill-valley-summer-field-guide-for-the-people-who-actually-live-here): A resident-focused field guide to Mill Valley's 2026 summer events, restaurant openings, and shifting downtown dining geography. - [Downtown San Rafael August 2026: The Fourth Street Convergence](https://rarepropertiesnortherncalifornia.com/blog/one-friday-three-events-same-block-san-rafaels-august-14-convergence-on-fourth-street): A local guide to San Rafael's August 14 downtown event convergence and the evolving Fourth Street corridor. - [San Anselmo Summer 2026: What's New on the Avenue](https://rarepropertiesnortherncalifornia.com/blog/the-avenue-is-doing-something-new-this-summer-and-san-anselmo-residents-are-the-ones-noticing-first): A local guide to San Anselmo Avenue's summer openings, events, historic tours, and evolving neighborhood character. - [Estate-Style Properties in Ross: What Buyers Should Know](https://rarepropertiesnortherncalifornia.com/blog/understanding-estate-style-properties-in-ross): A Ross guide to estate-style homes, emphasizing privacy, mature landscaping, open space, and permit-driven due diligence. ## Testimonials - [Client Testimonials & Success Stories | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/testimonials): Testimonials page for Chelsea E. Ialeggio of RARE Properties Northern California. ## Core Pages - [Northern California Real Estate | RARE Properties](https://rarepropertiesnortherncalifornia.com/): A real estate brokerage listing buyers and sellers across Northern California and Los Angeles with client-centered service. ## Other Pages - [Rare Properties Northern California](https://rarepropertiesnortherncalifornia.com/about): Rare Properties Northern California about page for Chelsea E. Ialeggio's team, with sales stats, testimonials, and a lease listing. - [Global Listings | Collective by Luxury Presence | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/global-listings): Luxury real estate listings page for RARE Northern California featuring active properties across U.S. luxury markets. - [Northern California real estate broker Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/about-bu): Biography page for Bay Area broker Chelsea Ialeggio, highlighting Northern California sales experience, transaction volume, and client testimonials. - [RARE Properties Northern California](https://rarepropertiesnortherncalifornia.com/copy-rare-nothern-california): RARE Properties Northern California presents Chelsea E. Ialeggio's broker profile, active listings, testimonials, and contact details for Belvedere-area real estate. - [404 Page Not Found | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/404): A 404 page for Rare Properties Northern California that points visitors to search and contact options. - [Real Estate & Community Blog | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/blog): A Northern California real estate blog archive listing recent posts on Marin County luxury markets and homebuying. - [Market Listings | Chelsea Ialeggio CA Real Estate](https://rarepropertiesnortherncalifornia.com/market-listings): A Northern California real estate listings page for RARE Properties, built around contact and inquiry forms rather than property data. - [Market Snapshot | Chelsea Ialeggio CA Real Esttate](https://rarepropertiesnortherncalifornia.com/market-snapshot): A contact-heavy Northern California market snapshot page for RARE Properties, with no substantive market data visible. - [Privacy Policy | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/terms-and-conditions): Privacy and terms page for Rare Northern California's real estate site, outlining data collection, sharing, AI use, and opt-outs. - [Compass Concierge | Chelsea Ialeggio CA Real Estate](https://rarepropertiesnortherncalifornia.com/concierge): Northern California real-estate page promoting Compass Concierge, a seller service that fronts home-improvement costs until closing. - [Contact Us - Get in Touch | Chelsea Ialeggio CA Real Estate](https://rarepropertiesnortherncalifornia.com/contact): Contact Chelsea E. Ialeggio for Northern California real estate buying and selling assistance. - [Northern California real estate](https://rarepropertiesnortherncalifornia.com/copy-homepage): Real estate brokerage representing buyers and sellers across Northern California and Los Angeles. - [Comprehensive Neighborhoods Guide | Chelsea Ialeggio](https://rarepropertiesnortherncalifornia.com/neighborhoods): Neighborhood directory page for Northern California home searches and local area pages. - [Philosophy | Chelsea Ialeggio California Real Estate Agent](https://rarepropertiesnortherncalifornia.com/philosophy): Chelsea E. Ialeggio presents a client-centered Northern California real estate philosophy focused on empathy, strategy, and careful negotiation.