Sylvia

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Meet Sylvia

Sylvia is Managing Director of the Client Experience Group at MGS Group Real Estate. Sylvia has built or renovated multiple luxury properties over the years, and brings to MGS a deep understanding of the factors that define a successful real estate journey – from evaluating a property’s needs before its sale, identifying buyer needs before a purchase, to managing all the complex steps involved in a move.
 
Sylvia advises clients on many aspects of their real estate journey. She can evaluate a home prior to placing it on the market, to determine if it needs styling, organizing, or a remodel. She is also available to help assemble and oversee the best team to prepare the home prior to its first showing. Sylvia has an extensive network of high-quality, vetted service providers to help clients ensure their project is a success. In addition to her role at MGS, Sylvia owns Herringbone & Brass, a full service interior design company in Boston. She also founded The Private List, a networking forum for top real estate agents to foster communication and brainstorming among agents in the area.

FAQs about MGS Group Real Estate Agents

MGS Group Real Estate is a boutique brokerage serving Boston, Greater Boston, New York, and Miami. Our team delivers concierge-level guidance backed by market data and proven results.

Primarily Greater Boston (including Boston and Cambridge), with additional coverage in New York and Miami through our team network. This blend supports local expertise and out-of-state moves for clients.

Visit us in Boston (389 Commonwealth Ave), Cambridge (187 Mt Auburn St), and Wellesley (180 Linden St, Suite 7A). Call the main line at 617-714-4544 to be routed to the right agent.

MGS highlights $4.5B+ in combined sales, 13 sales agents, 20+ years in business, and 3 offices—a boutique footprint with enterprise-level results.

Agents represent single-family homes, condos, luxury estates, and investment properties. From historic brownstones to new construction, our advisors tailor strategies to each asset class and neighborhood.

Record May 2025 medians set the tone: $980,000 for single-family (+3.2% YoY) and $749,500 for condos (+4.8% YoY), per GBAR. In June 2025, the single-family median hit $1,000,000.

In July 2025, Cambridge homes sold for a $1.2M median, up 1.6% YoY, with a 27-day median time on market (Redfin). Neighborhood-level guidance helps you navigate list-to-sale dynamics.

Expect a concierge-level experience: pricing strategy, staging guidance, premium media, and targeted distribution. “Expect concierge-level service and attention to detail.” (Client-centered promise, reflected in site language.)

We align budget and timing with live inventory, advise on comps, and negotiate terms. Market context matters: GBAR reported rising inventory and record medians in May 2025—conditions we track daily for buyers

Yes. MGS regularly markets luxury estates and advises on multi-unit/investment opportunities, supported by in-house marketing and press-proven listings.

A boutique model with enterprise-grade marketing and three-market reach. Proven sales volume ($4.5B+) and media coverage underscore performance; clients get white-glove guidance from offer to closing.

Sylvia

Contact

Meet Sylvia

Sylvia is Managing Director of the Client Experience Group at MGS Group Real Estate. Sylvia has built or renovated multiple luxury properties over the years, and brings to MGS a deep understanding of the factors that define a successful real estate journey – from evaluating a property’s needs before its sale, identifying buyer needs before a purchase, to managing all the complex steps involved in a move.
 
Sylvia advises clients on many aspects of their real estate journey. She can evaluate a home prior to placing it on the market, to determine if it needs styling, organizing, or a remodel. She is also available to help assemble and oversee the best team to prepare the home prior to its first showing. Sylvia has an extensive network of high-quality, vetted service providers to help clients ensure their project is a success. In addition to her role at MGS, Sylvia owns Herringbone & Brass, a full service interior design company in Boston. She also founded The Private List, a networking forum for top real estate agents to foster communication and brainstorming among agents in the area.
Sylvia Westphal

Sylvia Westphal

Work with Sylvia

About Sylvia

Sylvia is Managing Director of the Client Experience Group at MGS Group Real Estate. Sylvia has built or renovated multiple luxury properties over the years, and brings to MGS a deep understanding of the factors that define a successful real estate journey – from evaluating a property’s needs before its sale, identifying buyer needs before a purchase, to managing all the complex steps involved in a move.
 
Sylvia advises clients on many aspects of their real estate journey. She can evaluate a home prior to placing it on the market, to determine if it needs styling, organizing, or a remodel. She is also available to help assemble and oversee the best team to prepare the home prior to its first showing. Sylvia has an extensive network of high-quality, vetted service providers to help clients ensure their project is a success. In addition to her role at MGS, Sylvia owns Herringbone & Brass, a full service interior design company in Boston. She also founded The Private List, a networking forum for top real estate agents to foster communication and brainstorming among agents in the area.

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